Module display

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Buy MAX7219 Dot Matrix Module Microcontroller LED Module Display Module MAX7219 DIY Kit for R204.00

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Buy 3pcs White 6 Digit 7 Segment Digital 5V LCD Module Display Screen Board Build-in HT1621 for R398.56

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Buy 10Pcs MAX7219 Dot Matrix Module Microcontroller LED Module Display Module MAX7219 DIY Kit for R665.00

Buy 5Pcs MAX7219 Dot Matrix Module Microcontroller LED Module Display Module MAX7219 DIY Kit for R276.76

Buy CA-888 Super LCD Power Supply Board Universal Power Module Display Power Supply for R182.61

Module parameters: Input voltage: 6V-32V Output voltage: 1.5-32V continuously adjustable (can only be used step-down module, the input must be greater than the output 1.5V or more) Output current: adjustable, the maximum 5A (recommended in the use of 4.5A, when exceed 3A or 35W the best to strengthen the cooling! Suggest using a small fan at the input terminal! Constant current requires an output voltage of 2V or more to be adjusted, the current regulation, only in the constant current state will work, constant current is mainly directly used to the low resistance battery charge or LED working current limit and other use, please make sure about this before you order it. Output power: up to 75W (recommended in the use of 50W, if uses large pressure difference, please reduce the power) Operating temperature: -20 to +70 degrees (pay attention to the power tube temperature, when exceed please strengthen the cooling) Operating frequency: 180KHz Conversion efficiency: up to 96% Short circuit protection: Yes, constant current Current set constant current value Over-temperature protection: Yes (over-temperature automatically turn off the output) Input reverse protection: Yes Output reverse flow: None, for charging please add a diode! Installation: 8pcs pillars, 8pcs 3mm screws Wiring method: wiring terminal or soldering terminal, VIN for the input, VOUT for the output Module size: 65.6mm x 40mm x 25mm (L*W*H) Weight: 77g Calibration method: The module has a calibration function, don't worry about measuring inaccurate problems, if you find the measurment is not inaccurate you can use the following methods calibration. Just need to calibration once for the first time! Voltage calibration: In the case of power down, press and hold the "SET" button, power on, enter the voltage calibration mode, the LCD screen starts to flash, release the set button, press the "Set" key to add, "OK" to reduce, calibrate correct input voltage, such as: the input voltage is 12.65V, then adjust the current voltage to 12.65V, after 2 seconds it automatic save, power off and exit to complete the calibration! Current calibration: For no-load current display, or current is too large! In the case of power off, press and hold the "OK" button, power on, enter the current calibration mode, the LCD screen starts to flash, release the "OK" button, press the "Set" button to add, "OK" button to reduce, calibrate correct current, such as: no load display 0.02A, then adjust to 0.00A, after 2 seconds it automatic save, power off and exit to complete the calibration! Special Note: Some customers feedback that the output voltage can not be adjusted, this is due to the factory default voltage is 20V. When you encounter this problem, please counterclockwise rotation ADJ-V potentiometer 10 laps above, until the voltage value changes, and then the module can be normal adjustment of the voltage. Note: USB output voltage and the module output voltage needs to be consistent, when the USB indicator does not light, means USB has no output, when the USB light is set, it is not fixed 5V output, when charging USB device please make sure the voltage is 5V, if higher than 5.5V screen will flash, it will be reminded to adjust the voltage, otherwise it may damage your device, USB output power is turned off by default, to ensure that mistakenly plug USB will not damage the device. Setting Description: Setting key can be set to four kinds of display mode: 1. F-0 mode: display output voltage; 2. F-1 mode: display input voltage; 3. F-2 mode: alternately display input and output voltage; 4. USB mode: display USB output voltage and turn on or off the USB output; Instructions: press the "set" button, the cycle shows four kinds of display mode, the corresponding indicator light will on/off, press the "OK" key to save and exit, press the "OK" button to switch the LCD backlight. Package includes: 1 x 5A DC-DC Adjustable Step Down Power Supply Module (Board color will send in random)

Display Parameter: Power supply voltage: +5 v Support the I2C With the Blue backlight, and contrast to adjust potentiometer Four line output more simpler Shell Description: Screen size: 2.5 inches Material: Acrylic Color: Transparent Package included: 1 x LCD Display Module 1 x Transparent Shell Kit

5V 2004 20X4 204 2004A LCD Display Module Blue Screen For Arduino 5V 2004 20X4 204 2004A LCD Display Module Blue Screen For ArduinoDescription:The 2004A character LCD module is designed to display letters, numbers, symbols, dot matrix. It can display 4 lines of 20 characters. Support 4-bit and 8-bit data transfer mode. Offers 5x7 matrix cursor display mode. Providing display data buffer DDRAM, character generator CGROM and CGRAM. CGRAM can be used to store up to eight 5x8 dot matrix character font data graphic own definition. Provides a rich instruction set: clear display, cursor back to origin, display on / off, cursor on / off, display character blink, cursor shift, display shift and so on.Specification:Module size(W x H x T): 98.0 x 60.0 x 14.0mmViewing area(W x H): 76.0 x 26.0mmCharacter size(W x H): 2.94 x 4.74mmDot size:(W x H): 0.54 x 0.54mmLCD type & color: STN(Blue), FSTNView angle: 6 O'clockDisplay type: positive / negative typeControl IC & package: KS0073 or EQV, COBOperating temperature: -20ﾰC - 70ﾰCStorage temperature: -30ﾰC - 80ﾰCPackage included:1 x 5V 2004A LCD display module

B3606 NC Digital DC-DC Step Down Buck Module Constant Voltage Current Feature: 1. Uses advanced microprocessor, can precisely regulate the output voltage and current 2. With memory save function, can store 10 groups parameters, and can freely store, recall 3. Fully digital display, easy to use 4. Has a constant voltage, constant current status 5. Uses four high-brightness LED, can display the output voltage, current, power and capacity and other parameters in real time 6. Auto / manual switch display voltage, current, power, capacity and other parameters 7. Has an output (OUT), constant voltage (CV), constant current (CC) indicator, you can view real-time working status 8. You can set whether to automatically output after power 9. Can be a key to save the current values you set Parameter: Module Properties: Non-isolated step-down (BUCK) Input voltage: 6V-40V Output current: 0-6A Output voltage: 0-36V Conversion efficiency: up to 92% Operating frequency: 150KHz Short circuit protection: Constant Operating temperature: -40 ° C to + 85 ° C Control: Digital control + Digital display Voltage regulator / Display resolution: 0.01V Power display minimum resolution: 0.001W Current regulation / Display resolution: 0.001A Capacity display minimum resolution: 0.001AH Output ripple: ≤50mV Weight: 116g Dimensions: 80 x 66 x 33 mm Note: No input reverse polarity protection, if you need please add install diode. Properly connected input and output, non-reverse, reverse will burn the module. This module is a step-down module, input is higher than output 1.5V or more. Output under 5A just need natural cooling, output 5A above shall enhance heat dissipation. Manual download: Package included: 1 x B3606 CNC Digital DC-DC Step Down Module

Description: The IIC 2004 LCD display module is a 4 line 20 character LCD module not only set the contrast control knob selector switch also has a backlight and IIC communication interface. For Arduino beginners, not for the cumbersome and complex LCD driver circuit connection and a headache, the real significance of this LCD module will simplify the circuit, this module directly into the Arduino Sensor Shield V5.0 sensor expansion board IIC device interface can, GM 4P sensor connection cable, programmed through the Arduino controller, you can easily identify the slogan, sensor data records. Specification: Display: yellow green Supply voltage: 5V Interface: I2C I2C address: 0x27 or 0x3F random delivery Pin definition: GND, VCC, SDA, SCL Contrast adjust: potentiometer Display format: 20 Characters x 4 lines Adjustable backlight The module can be easily interfaced with a MCU Fully assembled and tested serial LCD 20 x 4 module The module is a low-power consumption character LCD module with a built-in controller It is fantastic for Arduino based project Size: 9.8 x 6 x 1.2mm Package included: 3 x 2004 LCD display module

5V 2004 20X4 204 2004A LCD Display Module Blue Screen For Arduino Description: The 2004A character LCD module is designed to display letters, numbers, symbols, dot matrix. It can display 4 lines of 20 characters. Support 4-bit and 8-bit data transfer mode. Offers 5x7 matrix + cursor display mode. Providing display data buffer DDRAM, character generator CGROM and CGRAM. CGRAM can be used to store up to eight 5x8 dot matrix character font data graphic own definition. Provides a rich instruction set: clear display, cursor back to origin, display on / off, cursor on / off, display character blink, cursor shift, display shift and so on. Specification: Module size(W x H x T): 98.0 x 60.0 x 14.0mm Viewing area(W x H): 76.0 x 26.0mm Character size(W x H): 2.94 x 4.74mm Dot size:(W x H): 0.54 x 0.54mm LCD type & color: STN(Blue), FSTN View angle: 6 O'clock Display type: positive / negative type Control IC & package: KS0073 or EQV, COB Operating temperature: -20°C - +70°C Storage temperature: -30°C - 80°C Package included: 1 x 5V 2004A LCD display module

D3806 NC DC Constant Current Power Supply Step Down Module Voltage Ammeter Instruction: Click to open Introduce: This module has two operating modes: simple mode and full function. The factory setting is the simple mode, if you need to use the full functionality, you can open it. Feature: 1, Can precisely regulated output voltage and current 2, Support either buck voltage and boost voltage 3, All-digital display, easy to use 4, With a constant voltage, constant current 5, Using 4 high brightness LED, can display the output voltage, current, power and capacity and other parameters in real time 6, Automatic / manual switching display voltage, current, power, capacity and other parameters 7, Having an output-OUT, constant voltage-CV, constant current-CC indicator, you can view real-time working status 8, You can set whether to automatically output after power-on 9, Can be one key to save the current set of voltage and current value 10, With memory storage function, can store 10 groups of parameters, and can free memory, recall 11, Boost mode input current up to 8A, so if the output voltage is higher than a lot of input, output current at this time may not be able to reach 6A, specific calculation examples, see below: Example: The input current up to 8A, when the input voltage is 24V, the input power is 192W; Output power = input power * conversion efficiency = 192W * 0.85 = 163W, if the output voltage is set at 38V, by the maximum input current limit, the maximum output current can reach about 4.289A, and continuously adjustable. Item Parameter Module type Non-isolated buck module Input voltage 10V-40V Output current 0-6A Output voltage 0-38V Conversion efficiency Up to 92% Operating frequency 150KHz Short circuit protection Constant current Operating temperature -40°C to + 85°C Control method Digital control + digital display Voltage regulator / Display resolution 0.01V Minimum power display resolution 0.001W Current regulation / Display resolution 0.001A Minimum capacity display resolution 0.001AH Output ripple ≤50mV Weight 116g Dimensions 100 x 80 x 21mm (L x W x H) Package includes: 1 x Step Down Module (The test tools does not includes)

D3806 NC DC Constant Current Power Supply Step Down Module Voltage Ammeter Introduce: This module has two operating modes: simple mode and full function. The factory setting is the simple mode, if you need to use the full functionality, you can open it. Feature: 1, Can precisely regulated output voltage and current 2, Support either buck voltage and boost voltage 3, All-digital display, easy to use 4, With a constant voltage, constant current 5, Using 4 high brightness LED, can display the output voltage, current, power and capacity and other parameters in real time 6, Automatic / manual switching display voltage, current, power, capacity and other parameters 7, Having an output-OUT, constant voltage-CV, constant current-CC indicator, you can view real-time working status 8, You can set whether to automatically output after power-on 9, Can be one key to save the current set of voltage and current value 10, With memory storage function, can store 10 groups of parameters, and can free memory, recall 11, Boost mode input current up to 8A, so if the output voltage is higher than a lot of input, output current at this time may not be able to reach 6A, specific calculation examples, see below: Example: The input current up to 8A, when the input voltage is 24V, the input power is 192W; Output power = input power * conversion efficiency = 192W * 0.85 = 163W, if the output voltage is set at 38V, by the maximum input current limit, the maximum output current can reach about 4.289A, and continuously adjustable. Item Parameter Module type Non-isolated buck module Input voltage 10V-40V Output current 0-6A Output voltage 0-38V Conversion efficiency Up to 92% Operating frequency 150KHz Short circuit protection Constant current Operating temperature -40°C to + 85°C Control method Digital control + digital display Voltage regulator / Display resolution 0.01V Minimum power display resolution 0.001W Current regulation / Display resolution 0.001A Minimum capacity display resolution 0.001AH Output ripple ≤50mV Weight 116g Dimensions 100 x 80 x 21mm (L x W x H) Package includes: 1 x Step Down Module (The test tools does not includes)

SELECTED OPTION: CURRENT: 10A CLICK HERE for more options in this item. Instructions Version Note: Product name classification that can measure the maximum peak range, MODBUS version with RS485 communication interface, you can use the host computer software to collect data, but also with the PLC, DCS, intelligent instruments and other equipment to communicate! In addition, other functions are the same! Measurement instructions: Measurement voltage can be set to independent power supply and non-independent power supply mode, the module has a black jump cap, plug in means that using a non-independent power supply, unplug means using independent power supply! Wiring method is not the same, please check the wiring carefully! The wrong wiring leads to the burnout module is not responsible! Non-independent power supply is the module supply voltage is the measured voltage (5-30V), independent power supply is the module power supply and the measured voltage is separated, then the module supply voltage 5-24V, the maximum voltage measured for the purchase of voltage value (standard 30V is 0-30V) Optional type: (please choose the one you need) 3A30V 10A30V 10A30V Modbus 3A30V Modbus Feature: Can measure the voltage, current, ambient temperature at the same time. Voltage range: 0-30V Current range: 0-10A / 0-3A (high current temperature exceeds 60 degrees please strengthen the cooling) Temperature range: -10 to 100 degrees (accuracy 1%) Accuracy: ±1% (the greater the voltage and current range, the corresponding reduction in accuracy) Support standard Modbus RTU protocol, communication mode RS485 (Optional function) Voltage and temperature for the switch display (through the button to set the temperature display mode: under power down situation, press and hold the button for three seconds and then release button, you can re-power to switch, only show the voltage mode or switch display voltage and temperature) With the agreement function can be set to 1-255 device address, set by the host computer software (this functions is optional); Product size: 47.8 x 28.8 x 30mm Installation hole: 45 * 25.5mm Weight: 24g Interface description: Marked A, B terminals are the RS485 interface for Modbus communication GND: voltage negative IIN: measured current load of the negative VCC: when using non-independent power supply, the measured power is positive, when using independent power supply for the module power supply positive VIN: independent measured voltage is positive, the load is positive. Modbus test description: (Optional function) 1. Connect the hardware 1) Connected to the RS485 serial port, A connected A, B connected B, connected to the measured voltage. 2. Software settings: 1) In the "communication settings" set the serial port number, open the serial port. 2) Set the module address in the "Analog acquisition" item (the default address is "1", you can change the module address in the "Module address change" item if the module address is not clear) 3) In the "analog acquisition" click on the "acquisition" command on it. If display "communication error" please confirm the RS485 interface A, B-side is not reversed. Package includes: 1 x DC Meter

Version Note: Product name classification that can measure the maximum peak range, MODBUS version with RS485 communication interface, you can use the host computer software to collect data, but also with the PLC, DCS, intelligent instruments and other equipment to communicate! In addition, other functions are the same! Measurement instructions: Measurement voltage can be set to independent power supply and non-independent power supply mode, the module has a black jump cap, plug in means that using a non-independent power supply, unplug means using independent power supply! Wiring method is not the same, please check the wiring carefully! The wrong wiring leads to the burnout module is not responsible! Non-independent power supply is the module supply voltage is the measured voltage (5-30V), independent power supply is the module power supply and the measured voltage is separated, then the module supply voltage 5-24V, the maximum voltage measured for the purchase of voltage value (standard 30V is 0-30V) Optional type: (please choose the one you need) 3A30V 10A30V 10A30V Modbus 3A30V Modbus Feature: Can measure the voltage, current, ambient temperature at the same time. Voltage range: 0-30V Current range: 0-10A / 0-3A (high current temperature exceeds 60 degrees please strengthen the cooling) Temperature range: -10 to 100 degrees (accuracy 1%) Accuracy: ±1% (the greater the voltage and current range, the corresponding reduction in accuracy) Support standard Modbus RTU protocol, communication mode RS485 (Optional function) Voltage and temperature for the switch display (through the button to set the temperature display mode: under power down situation, press and hold the button for three seconds and then release button, you can re-power to switch, only show the voltage mode or switch display voltage and temperature) With the agreement function can be set to 1-255 device address, set by the host computer software (this functions is optional); Product size: 47.8 x 28.8 x 30mm Installation hole: 45 * 25.5mm Weight: 24g Interface description: Marked A, B terminals are the RS485 interface for Modbus communication GND: voltage negative IIN: measured current load of the negative VCC: when using non-independent power supply, the measured power is positive, when using independent power supply for the module power supply positive VIN: independent measured voltage is positive, the load is positive. Modbus test description: (Optional function) 1. Connect the hardware 1) Connected to the RS485 serial port, A connected A, B connected B, connected to the measured voltage. 2. Software settings: 1) In the "communication settings" set the serial port number, open the serial port. 2) Set the module address in the "Analog acquisition" item (the default address is "1", you can change the module address in the "Module address change" item if the module address is not clear) 3) In the "analog acquisition" click on the "acquisition" command on it. If display "communication error" please confirm the RS485 interface A, B-side is not reversed. Package includes: 1 x DC Meter

3.2 Inch 320 X 480 TFT LCD Display Module Support Arduino Mega2560 Description: 3.2 Inch TFT LCD with 262K color 480x 320 resolutions.The controller of this LCD module is HX8357B, it supports 16-wires DataBus interface.Moreover, this module includes the 5V-3.3V power conversion circuit and Level conversion circuit, This Module can Directly inserted into the Arduino Mega2560 Board,it also includes the SD card socket and SPI FLASH circuit Feature: Support Arduino Mega2560 Directly inserted With Full-angle IPS TFT panel OnBorad level conversion chip for 5V/3.3V MCU Compatible with 3.3/5V operation voltage level Compatible with Arduino-Series development Board. (Please notice:This Screen is not touch screen) Provided 12-examples with Arduino,3-examples with STM32 With SD Card Socket With SPI FLASH circuit Parameter:   Display Type:  3.2 inch a-si TFT LCD Module Glass Type:  TFT IPS(Full-Angle) Display Resolution:  480 X RGB X 320 Pixels Back light:  6 chip HighLight white LEDs Control IC:  ILI9481 Interface:  16Bit parallel interface PCB Module size:  89.92mm X 54.25mm LCD Area(WxHxT):  50.74mm X 78.35mm X 1.88mm Active Area(WxH):  67.68mm X 45.12mm   Package included: 1 x 3.2 Inch LCD Display Module  

3.2 Inch 320 X 480 TFT LCD Display Module Support Arduino Mega2560 Description: 3.2 Inch TFT LCD with 262K color 480x 320 resolutions.The controller of this LCD module is HX8357B, it supports 16-wires DataBus interface.Moreover, this module includes the 5V-3.3V power conversion circuit and Level conversion circuit, This Module can Directly inserted into the Arduino Mega2560 Board,it also includes the SD card socket and SPI FLASH circuit Firmware link!!! Feature: Support Arduino Mega2560 Directly inserted With Full-angle IPS TFT panel OnBorad level conversion chip for 5V/3.3V MCU Compatible with 3.3/5V operation voltage level Compatible with Arduino-Series development Board. (Please notice:This Screen is not touch screen) Provided 12-examples with Arduino,3-examples with STM32 With SD Card Socket With SPI FLASH circuit Parameter:   Display Type:  3.2 inch a-si TFT LCD Module Glass Type:  TFT IPS(Full-Angle) Display Resolution:  480 X RGB X 320 Pixels Back light:  6 chip HighLight white LEDs Control IC:  ILI9481 Interface:  16Bit parallel interface PCB Module size:  89.92mm X 54.25mm LCD Area(WxHxT):  50.74mm X 78.35mm X 1.88mm Active Area(WxH):  67.68mm X 45.12mm   Package included: 1 x 3.2 Inch LCD Display Module  

Description: The IIC 2004 LCD display module is a 4 line 20 character LCD module not only set the contrast control knob selector switch also has a backlight and IIC communication interface. For Arduino beginners, not for the cumbersome and complex LCD driver circuit connection and a headache, the real significance of this LCD module will simplify the circuit, this module directly into the Arduino Sensor Shield V5.0 sensor expansion board IIC device interface can, GM 4P sensor connection cable, programmed through the Arduino controller, you can easily identify the slogan, sensor data records. Specification: Supply voltage: 5V Interface: I2C I2C address: 0x27 or 0x3F Pin definition: GND, VCC, SDA, SCL Contrast adjust: potentiometer The module is a low-power consumption character LCD module with a built-in controller The module can be easily interfaced with a MCU Display format: 20 Characters x 4 lines Fully assembled and tested serial LCD 20 x 4 module White text, blue backlight It is fantastic for Arduino based project Size: 9.8 x 6 x 1.2mm Package included: 3 x 2004 LCD display module

Description: The IIC 2004 LCD display module is a 4 line 20 character LCD module not only set the contrast control knob selector switch also has a backlight and IIC communication interface. For Arduino beginners, not for the cumbersome and complex LCD driver circuit connection and a headache, the real significance of this LCD module will simplify the circuit, this module directly into the Arduino Sensor Shield V5.0 sensor expansion board IIC device interface can, GM 4P sensor connection cable, programmed through the Arduino controller, you can easily identify the slogan, sensor data records. Specification: Supply voltage: 5V Interface: I2C I2C address: 0x27 or 0x3F Pin definition: GND, VCC, SDA, SCL Contrast adjust: potentiometer The module is a low-power consumption character LCD module with a built-in controller The module can be easily interfaced with a MCU Display format: 20 Characters x 4 lines Fully assembled and tested serial LCD 20 x 4 module White text, blue backlight It is fantastic for Arduino based project Size: 9.8 x 6 x 1.2mm Package included: 1 x 2004 LCD display module

MAX7219 Red Dot Matrix Module 8-Digit LED Control Display Tube For Arduino MCU is available now from our US   warehouse Free shipping to US  in 3-6 business days ship to Canada, Brazil in 7-10 days MAX7219 Red 8 Bit Digital Tube LED Display Module For Arduino MCU Description: MAX7219 is an integrated serial input / output common-cathode display drivers, which connects the microprocessor and 8 bit 7-segment digital LED display, you can also connect a bar graph display or 64 separate LED. Includes an on-chip type B BCD encoders, multi-channel scanning loop, segment word driver, but also a 8x8 static RAM that stores each data. Only one external register is used to set the current of each LED segment. A convenient four-wire serial interface can connect all common microprocessor. Each data can be addressed in the update without rewriting all displays. MAX7219 also allows the user to select each data encoding or no coding. The entire device includes a 150μA low-power shutdown mode, analog and digital brightness control, a scan-limit register allows the user to display 1-8 bit data, there is an all LED light detection mode. Feature: 0.36 inch Common cathode Only need three IO ports can drive 8 bit digital tube The module compatible of 5V / 3.3V microcontroller (51 / AVR / STM32...) PCV board four corners of the fixed copper stud, which can effectively precent short circuit accidents happen Wiring instructions (a program, for example, you can pick any IO port definition can be modified in the program): VCC to 5V, GND to GND, DIN to P00, CLK to P02, CS to P01 Note: VCC and GND do not reversed, it would burn the chip. 51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines. Package included: 1 x MAX7219 8 bit digital tube module 4 x Copper pillar 4 x Screws

If you need only the CT, please check this: >>> Here Many buyers are response: Why test data is wrong? Voltage * Current = Power, But power is less than the actual test voltage * Current, Why is that? Answer: There are three types of power: Active Power (P represents / unit W) Reactive power (Q represents / unit Var) Apparent power (S represents / unit VA) Here that We only talk about Active Power, others please google it: P = U * I * cosφ, cosφ it represents the power factor, purely resistive load (Such as incandescent, heater, etc.) the power factor is generally close to 1,Between the inductive and capacitive load load power factor 0-1. So purely resistive load test time, P is substantially equal to or close to U * I. When Inductive or capacitive load test (Such as refrigerators, washing machines, televisions, computers, etc.) P U*I, As for how much to keep the power factor related to the specific, Different for each appliance power factor. Note: 1. This module is suitable for indoor, not outdoor use. 2. applied load can not exceed the rated power. 3. The wiring order can not be wrong. Specification: Apply to power grid voltage range: 110V-220V Working voltage: 80 ~ 260VAC Test voltage: 80 ~ 260VAC Rated power: 100A / 22000W Working Frequency: 45-65Hz Measurement accuracy: 1.0 (Error 1%) Dimensions of LED display screen: 51 x 30mm Feature: Network voltage direct power supply, no external power supply, measurement precision, large-screen LCD liquid crystal screen display clearly. A. Function 1. electrical parameter measurement function (voltage, current, active power, power). 2. overload alarm function (over power alarm threshold, the backlight and power flicker tips). 3. The power alarm threshold preset function (can set up their own power alarm threshold). The power button clear function. 5. Power-down data storage function. 6. Large-screen LCD screen full display function (display voltage, current, active power, power). 7. Backlight. B. Display and key Display Interface Display voltage, current, power, energy parameters from the large-screen LCD screen simultaneously. Display Format 1. Power: measurement range 0 ~ 22kW 1kW display format within 0.0 ~ 999.9W; From 1kW display format 1000 ~ 9999W; 10kW above the display format 10.0 ~ 22.0kW. 2. Power: measurement range 0 ~ 9999kWh 10kWh within the display format 0 ~ 9999Wh; Above 10kWh display format 10 ~ 9999kWh; 3. Voltage: Test Range 80 ~ 260V Display Format 80 ~ 220V 4. Current: Test Range 0 ~ 100A Display Format 0.00 ~ 99.99A. Package included: 1 x 100A Power Monitor Module AC Meter Panel 1 x CT,,,,

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: This module is a multichannel current signal generator that generates 4 channels 4~20mA current signal. The module is simple to use and input data by keystroke operation, and the output signal is updated immediately. Features: Use 12864 LCD display Voltage: 15-24V Active output current 0~20mA. Display resolution 0.01mA and control accuracy 0.1mA Polarity protection of input voltage Can analog transmitter output Compatible for signal generator, valve regulator, and instrument calibration Specifications: Output current: 4~20mA Resolution: 0.01mA Control accuracy: 0.1mA Application: signal generator, valve regulator, and instrument calibration Size: 12*9*2cm / 4.72*3.54*0.19inch(length*width*height) Weight: 75g Interface(power interface) description: CN1 "+": represent the positive pole of the input power supply CN1 "-": represent the negative pole of the input power supply(GND) CN1 "OUT1": represent channel 1 transmit current output CN1 "OUT2": represent channel 2 transmit current output CN1 "OUT3": represent channel 3 transmit current output CN1 "OUT4": represent channel 4 transmit current output CN1 "G": represent common end GND Button description: Function button K1: the up arrow key is used to select the setting channel Function button K5: the down arrow key is used to select the setting channel Function button K2: reduce 0.01 slowly. Hold down 1S reduce 0.1 Function button K3: increase 0.01 slowly. Hold down 1S increase 0.1 Function button K6: actual value or percentage selection key Function button K8: clear key Using methods & steps: Output current OUT1 setting: press K1 or K5 Key to switch to OUT1 Setup interface. Press K2 or K3, output current value increases 0.01 MA step by step. Hold down K2 or K3, output current value increases 0.01MA step by step. Output current OUT2 setting: press K1 or K5 Key to switch to OUT2 Setup interface. Press K2 or K3, output current value increases 0.01 MA step by step. Hold down K2 or K3, output current value increases 0.01MA step by step. Output current OUT3 setting: press K1 or K5 Key to switch to OUT3 Setup interface. Press K2 or K3, output current value increases 0.01 MA step by step. Hold down K2 or K3, output current value increases 0.01MA step by step. Output current OUT4 setting: press K1 or K5 Key to switch to OUT4 Setup interface. Press K2 or K3, output current value increases 0.01 MA step by step. Hold down K2 or K3 output, current value increases 0.01MA step by step. Package included: 1 X Current signal generator module board 4 Channels 4-20mA Current Signal Generator Module Board With 12864 Digital LCD Display 4 Channels 4-20mA Current Signal Generator Module Board With 12864 Digital LCD Display 4 Channels 4-20mA Current Signal Generator Module Board With 12864 Digital LCD Display

TM1638 Chip Key Display Module 8 Bits Digital LED Tube For AVR Arduino Features: 8 Bits, 8 keys, 8 LEDs, 8 digital tubes, common cathode LED digital tube. With TM1638 Chip, this module gather more than three common SCM peripheral circuits. The advantage is only three IO ports will be occupied when it drives. SCM doesn't need to work for scaning display and key scaning. It only need to read the relevant register to send display data or test button so it save MCU resources effectively. Keys are sensitive and display effectively. Specification: Weight: 28g Material: Glass fiber reinforced plastic, PBT shell, PA blades How to connect: VCC GND 5V power supply, STB CLK DIO SCM IO port. Package included: 1 x LED display module 5 x Dupont line connectors

2Pcs Yellow Backlight 1602 Character LCD Display Module For Arduino Description: LCD display module with yellow backlight Wide viewing angle and high contrast Built-in industry standard HD44780 equivalent LCD controller Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices LCM type: Characters Can display 2-lines X 16-characters Operate with 5V DC Module dimension: 80mm x 36mm x 12mm Viewing area size: 64.5mm x 16mm Package included: 2 X LCD display module

Description: The module is a 12 foot with a clock point four common anode tube (0.36 inch) display module for driver IC TM1637, only two signal lines can make the MCU control 4 8 digital tube. Feature: Display common anode for the four red LED Digital tube 8 gray adjustable Level control interface for 5V or 3.3V 4 M2 screws positioning holes for easy installation Size: about 42 x 24 x 12mm Interface 4 digital display module: Control Interface: A total of four pins (GND, VCC, DIO, CLK), GND to ground, VCC is the power supply, DIO of data input and output pin, CLK is the clock signal pin; Digital tube: 4 common anode score points with 0.36 inches LED, red highlights; Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination Package includes: 1 x LED Tube Module

3Pcs Yellow Backlight 1602 Character LCD Display Module For Arduino Description: LCD display module with yellow backlight Wide viewing angle and high contrast Built-in industry standard HD44780 equivalent LCD controller Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices LCM type: Characters Can display 2-lines X 16-characters Operate with 5V DC Module dimension: 80mm x 36mm x 12mm Viewing area size: 64.5mm x 16mm Package included: 3 X LCD display module

3Pcs MAX7219 Red 8 Bit Digital Tube LED Display Module For Arduino MCU Description: MAX7219 is an integrated serial input / output common-cathode display drivers, which connects the microprocessor and 8 bit 7-segment digital LED display, you can also connect a bar graph display or 64 separate LED. Includes an on-chip type B BCD encoders, multi-channel scanning loop, segment word driver, but also a 8x8 static RAM that stores each data. Only one external register is used to set the current of each LED segment. A convenient four-wire serial interface can connect all common microprocessor. Each data can be addressed in the update without rewriting all displays. MAX7219 also allows the user to select each data encoding or no coding. The entire device includes a 150μA low-power shutdown mode, analog and digital brightness control, a scan-limit register allows the user to display 1-8 bit data, there is an all LED light detection mode. Feature: 0.36 inch Common cathode Only need three IO ports can drive 8 bit digital tube The module compatible of 5V / 3.3V microcontroller (51 / AVR / STM32...) PCV board four corners of the fixed copper stud, which can effectively precent short circuit accidents happen Wiring instructions (a program, for example, you can pick any IO port definition can be modified in the program): VCC to 5V, GND to GND, DIN to P00, CLK to P02, CS to P01 Note: VCC and GND do not reversed, it would burn the chip. 51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines. Package included: 3 x MAX7219 8 bit digital tube module 12 x Copper pillar 12 x Screws