3pcs led

3Pcs LED Driver Charging Constant Current Voltage Step Down Buck Module

Buy 3pcs LED Traffic Light Module Electronic Building Blocks Board for R222.85

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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

3pcs 5MM LED Flashlight Convenient Light Kit Simple LED Boost Drive DIY Electronic Kit

3pcs 4X4X4 Blue LED Light Cube Kit 3D LED DIY Kit For Arduino DIY Kit Package contains 1 X item of the smallest listed variant.

3Pcs MAX7219 Dot Matrix Module MCU LED Control Module Kit For Arduino Specifications: A single module can drive an 8 x 8 common cathode lattice Operating voltage: 5V Size: 5 x 3.2 x 1.5 cm (L x W x H) LED color: Red With four screws hole, aperture 3mm With input and output interfaces, supports multiple modules cascade Wiring instructions: 1. The module left side as an input port and the output port on the right 2. To control a single module, just connect the input port to the CPU 3. When cascading multiple modules, the input port of the first module connect to the CPU, the output port connect to the input port of the second one, and so on. In the case of 51 MCU: VCC → 5V GND → GND DIN → P22 CS → P21 CLK → P20 Note: 1. VCC and GND is not reversed, it would burn the chip! 2. When the 51 microcontroller P0 port controlling, must be connected to the pull-up resistor, it is recommended that the resistance of 4.7K--10K 3. Please install lattice into the round hole first, and then insert the round hole to PCB board and weld. Face the side of lattice with words, from left to right pin order is 123456. PCB board 1st pin is square pad! 4. Electrolytic capacitors long-pin as positive, short-pin as negative; ceramic capacitor hsa no positive and negative points Package included: 3 x LED module 3 x Dupont line (5P-20cm)

3Pcs 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: 28gMaterial: Glass fiber reinforced plastic, PBT shell, PA bladesHow to connect: VCC GND 5V power supply, STB CLK DIO SCM IO port.Package included:3 x LED display module withe cable

3Pcs CJMCU 4 x 4 Bit WS2812 5050 RGB LED Driver Development Board Feature: Votalge: DC 5V Color: RGB Size: 30MM X 30MM  (Error in 1MM-2MM) Pacakge included: 3 x 4 x 4 Bit WS2812 5050 RGB LED Driver Development Board

3Pcs CJMCU 7 Bit WS2812 5050 RGB LED Driver Development Board Feature: Radius 11.5mm Package included: 3 x CJMCU 7 Bit WS2812 5050 RGB LED Driver Development Board.

3Pcs CJMCU 4 Bit WS2812 5050 RGB LED Driver Development Board Feature: Votalge: DC 5V Color: RGB Size: 15MM X 15MM Pacakge included: 3 x 4 Bit WS2812 5050 RGB LED Driver Development Board

3pcs AC-DC 12V 0.5A 6W Switching Power Bare Board For LED Stage Light AC 100-240V To DC 12V Description: 1. Input voltage: AC 100V-240V 50-60Hz2. Output voltage: DC 12V3. Output current: 500ma4. Output power: 6W5. Size: 5.5 x 3.5 x 1.9cmPackage included:3 x AC-DC 12V 500ma 6W switching power module

3Pcs 3 Colour RGB SMD LED Module 5050 Full Color Pwm For Arduino MCU

3Pcs 42x24x12mm 4 Bits Digital Tube LED Display Module Board For Arduino Package contains 1 X item of the smallest listed variant.

3pcs 12V Volume Infrared Induction Switch Module LED Lamp Sensor Switch Module Package contains 1 X item of the smallest listed variant.

3Pcs 3V To 5V 1A USB Charger DC-DC Converter Step Up Boost Module Features: Module uses the Taiwan production boost chip, high efficiency (up to 92%), plus built-in over-current protection chip, can be more good to protect the module and use the device after the class. Module with undervoltage protection, undervoltage protection into state below 2.5V, can be more better protect the battery, to avoid excessive discharge. Module can modify the fixed resistor adjusts the output voltage can be adjusted up to 12V output, but to ensure that the output power of less than 5W. This module uses TDK multilayer ceramic capacitors as main filter capacitor, the output ripple can be as low as 20mV (5V1A output case)! This module uses a standard USB interface, you can use all universal USB charging mobile phones, MP3, MP4 and other equipment, the perfect support for IPHONE and other mobile phone. Specification: Module properties: Non-isolated step-up module (BOOST) Input voltage: 2.5-6V Output voltage: 4-12 V(Adjustable, the default 5 v) Output current: 1000mA (Max) Efficiency: 92%(Max) (the higher the input voltage, the higher the efficiency) Switching frequency: 1MHz Output ripple: 20mV (MAX) Operating temperature: Industrial (-40°c to +85°c) Voltage regulation: ±2.5% Short circuit protection: None (please use the lithium battery with protection) Input: IN + postive, IN - negative Output: USB output Size: 3 x 1.3 x 0.8 cm Application: This module can be used for DIY mobile power output, enabling single or two ordinary lithium battery to 5V boost to the mobile phone or PSP device charging. DIY a mobile power supply, only need one battery, you can output 5V voltage for your phone, MP3, MP4, PSP charger, very easy. In order to power your electronic devices when your device needs 5V power supply, when you only have lithium battery, this module can be directly step-up to 5V, solve your problems. Note: This module is a fixed 5V output module Modules indicated above IN - (negative input), IN + (positive input), OUT-(negative output), OUT + (positive output) must be connected correctly, otherwise it may cause damage to the module This module has an LED light, when the charge when the LED lights can be used as indicator Package included: 3 x USB boost module

3pcs 100x41x8mm Aluminum Heat Sink Heat Sink Cooler For High Power LED Amplifier Transistor Cooling

3pcs Pro Micro 5V 16M Mini Leonardo Microcontroller Development Board For Arduino Description: This microcontroller development board has 4 channel 10 bit ADC, 5 PWM pins, 12 DIO, and a hardware serial connection Rx and Tx you are familiar with. Running on 16MHz and 5V, this board will remind you a lot of other Arduino compatible boards that you like. There is a voltage regulator on board, so it can accept up to 12V DC. If you are supplying an unstable power supply board, be sure to connect to the "RAW" not on the VCC pin. We have also added a PTC fuse and diode protection to the power circuit and to correct the RX and LED TX circuits. Feature: - ATMEGA32U4 running in 5V / 16MHz - Support Arduino IDE V1.0.1 - Micro USB interface programming on the board - Four 10-bit ADC pin - 12 digital I / O (5 PWM capability) - Rx and Tx hardware serial connection Package included: 3 x Mini Leonardo Microcontroller Development Board

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA 3Pcs 3 Colour RGB SMD LED Module 5050 Full Color Pwm For Arduino MCU 3Pcs 3 Colour RGB SMD LED Module 5050 Full Color Pwm For Arduino MCU Description: RGB tricolor access the current limiting resistor to prevent burn out. The PWM modulator with three primary colors can be mixed in different colors. With a variety of microcontroller interface. Based on the arduino simple test program. Size: 20 x 10 x 7mm (Lx Wx H) Package included: 3 x 3 Colour LED Module 3Pcs 3 Colour RGB SMD LED Module 5050 Full Color Pwm For Arduino MCU 3Pcs 3 Colour RGB SMD LED Module 5050 Full Color Pwm For Arduino MCU

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA New toy for makers who want to build their own smart home system Overview: The wireless switch supports inching /self-locking mode. You can add the device to the APP eWeLink to remote control connected home appliances or devices. In self-locking mode, you can remote turn on/off connected devices immediately. When in inching mode, you have two wiring ways to select, whether turn on 1s and then auto-off or turn off 1s and then auto-on. Remote control by APP EweLink for iOS and Android. Supported functions include remote on/off, timing schedules, device sharing, group management. The self-lock/inching mode wireless switch has two power supply specification: 5V. No matter which specification you select, they have the same functions. Feature: There are two working modes for the module: inching mode and self-locking mode. Press the self-lock/inching mode button to switch between these two modes. When your module is switched to self-locking mode, you can turn on/off the connected appliance instantly. There is two wiring way. When your module is switched to inching mode, you can press on/off toggle button to turn on or off connected device. There are two kinds of wiring way. The first wiring way is to connect COM and NO with an appliance. In this way, when you press the setting button or APP to turn on, the connected appliance will be turned on for 1s and then auto turned off. The second wiring way is to connect NC and COM with an appliance. In this way, when you press the setting button or APP to turn off, the connected appliance will be turned off for 1s and then auto turned on. LED Indicator: There are 3 LEDs, the led beside self-lock/inching mode button indicates the working mode(on: self-locking mode, off: inching mode). The one beside on/off setting button indicates wifi status(enter pairing status: long press the setting button until led fast blink). Another one below the relay indicates relay on or off status(on: turn on the connected device, off: turn off connected device). Add device to eWeLink: Long press the setting button until the LED beside on/off setting button fast blinking. 1. Android: Add Device->select pairing method according to how the LED blinks->enter WiFi name and password->pairing and register->name device 2. iOS: go to phone setting->WiFi-> select the WiFi starts with ITEAD-********, enter default password to connect:12345678-> go to eWeLink->Add device->->select pairing method according how the LED blinks->enter WiFi name and password->pairing and register->name device Specification: Dimension:70.5mm*27.4mm*23mm Operating current: 5V DC Leds: indicate working mode, wifi status, relay on/off status. Two input interface Board consumption: Standby current: 80mA Max input current: 10A Support to control different voltage range Relay lifespan: more than one million times 100M electrical insulation resistance Electric shock voltage: 1000V Relay maximum pull time: 15ms Relay maximum release time: 5ms Operating temperature: -40 degrees to +70 degrees Operating Humidity 40% ~ 80% RH Application: The switch can be applied to access control, turn on PC, garage door, etc. Package includes: 3 x Module 3pcs 5V WiFi Remote Garage Door Opener Controller Work with Alexa & IFTTT Google home Wireless Remote Control Switch 3pcs 5V WiFi Remote Garage Door Opener Controller Work with Alexa & IFTTT Google home Wireless Remote Control Switch 3pcs 5V WiFi Remote Garage Door Opener Controller Work with Alexa & IFTTT Google home Wireless Remote Control Switch

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Feature: Two-color LED strobe fun DIY kit parts produced. Simple and practical, easy installation, low power consumption. Technical specifications: Product Name: DIY Flash Kit Color: Two color in random Dimensions: 9x3cm / 3.54 "x1.18" Voltage: 3-5V Package Included: 3 x Flash Kit DIY (with battery box) 3 x Instructions 3pcs DIY Two-color LED Flashlight Electronic Kit Circuit Board 3pcs DIY Two-color LED Flashlight Electronic Kit Circuit Board 3pcs DIY Two-color LED Flashlight Electronic Kit Circuit Board

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: Welding exercises for beginners Overall beautiful and practical Board Diameter: 6.1cm/2.4Inch Package Included: 3 x DIY 4017 Running Water Light Kit 3pcs DIY 4017 Running Water Light NE555 LED Horse Race Lamp Flash Kit 3pcs DIY 4017 Running Water Light NE555 LED Horse Race Lamp Flash Kit 3pcs DIY 4017 Running Water Light NE555 LED Horse Race Lamp Flash Kit

Buy 3pcs DIY LED Flash Kit Colorful Acoustic Rotating LED Lamp Kit for R210.00

Buy 3pcs IR LED Board for CCTV Camera 4*Array IR LED Spot Infrared Light Board for R209.18

Buy 3pcs Super-bright Color LED Module Green LED PWM Display Board RobotDyn for R205.00

Buy 3pcs CJMCU-3bit WS2812 RGB LED Full Color Drive LED Light Circular Development Board... for R189.00

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Description: This is an easy make four-layer round led dimensional cylinder kit, it's all use DIP components. It has more than 20 kinds of special led gradient effect. Some kinds of the effect is star-flashing and lightning effect, it also has many spin move effect and led breathing effect. All of the effects is gradual change light up instead of directly light up, that makes the led animation looks more gentle. you can hang it up on the christmas tree to simulate the star flashing effect. Soldering grids of each led layer greehand would look terrible. It has a dual use round acrylic that can as a template to hold the led in place, that help you to solder each layer of the led grids more accurate and the same level. On the other hand it also use as a case to reinforce the bottom. This acrylic template is important for quality soldering, it makes the led cylinder easier and more precise. How to assemble it, click here ! Features: Using 32 Milky 5mm Highlighted Long Pin LED Display 23 Kind of LED Gradient Effect to Simulate the Star-Flashing or Lightning and other 3D LED circle Effect Each Animation has so many Random function Alll using DIP components to build,suitable for beginners Blue Round PCB Acrylic Template to help aligning the led grids to solder Switch Button to Switch the next effect Reinforce the Bottom by the Dual Use Round Acrylic Double Power Supply Option: Micro USB cable or Wire Connect Use Micro USB Cable to Connect a computer or phone charger to Supply it with the 5V Color: blue Dimensions: 43mm x 43mm x 105mm Function: 1. Use micro usb cable or power wire to supply 5V power; 2. Toggle the switch button to switch the next animation effect. Package included: 3 x DIY Blue Mini Star Flashing LED Cylinder Kit

Specifications: · 300W 8A 7-32V to 0.8-28V DC CC CV Buck Step-Down Converter Power Supply Step Down Module Adjustable Voltage Regulator LED Driver · High-power, constant current LED driver · Battery charger · Vehicle-mounted power supply · Low voltage system power supply · Non-isolated step-down CC CV Buck module with on-board LED load indicator · Input voltage: DC 7-32 V · Output Voltage: DC 0.8-28 V (Adjustable) · Output Current: 8A (MAX), more than 60Deg please strengthen heatsink · Continuous Current Range: 0.2-8A Adjustable · Output Power: 300W (MAX) · Conversion efficiency: 95% (more input voltage, more efficiency) · Output ripple: 50mV · Working Temperature: industrial (- 40 ° c to +85 °c) (environmental temperature, more than 40 degrees, please reduce power to use, or - enhance cooling) · No-load current: 20mA (input 24V,Output 12V for reference) · Voltage regulation: ± 1% · Load regulation: ± 1% · Dynamic response speed: 200uS 5% · Short circuit protection: YES · Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.) · Size: 65 x 47 x 22 mm · On-board LED load indications: red = load present (eg. 'battery charging'), green = no load (eg. 'battery charged' or output disconnected) Features: 1. Fixed turn lamp current is 0.1 times the current value(Used to identify whether the battery is fully charged When charging). 2. Made from a dedicated benchmark IC and high-precision current sensing resistor, proving a more stable constant current, (when 20°C to 100°C constant current 1A, temperature drift less than 1%). Particularly suitable for LED driver. 3. High output current, the max output current can reach 8A. 4. Four high frequency capacitance, can lower output ripple, enhance the work stabilization. 5. Double heat sink design. MOS schottky diode independent heat sink,which heat dissipation is good, and won't affect each other. 6. Using large size Sendust Core and double pure copper wiring, improve working efficiency, reduce fever. 7. 3296 multiturn potentiometer,high accuracy voltage and current regulation, good stability. 8. Double color lamp, working condition be clear at a glance 9. Voltage and current are adjustable,wich effect is good. Applications: 1. High-power LED driver. 2. Lithium battery(or lead accumulator) charge. 3. Vehicle-mounted power supply. 4. Low voltage system power supply. 5. 6V, 12V, 14V, 24V battery charge. 6. On-board laptop power supply. 7. regulated power supply. 8.Low voltage power supply system. Module adjustment: ￢ﾀﾋ 1. When the module output voltage can not be adjusted (the output voltage is always equal to the input voltage) Please adjust the potentiometer counterclockwise 20 laps (20 turns) or more till it works.￢ﾀﾋ 2. Turn trimmers CLOCKWISE to INCREASE, ANTICLOCKWISE to DECREASE. 3. When adjust the blue potentiometer,please use a multimeter to monitor the voltage 4. The trimmer nearest the voltage output adjusts the output CURRENT (CC) 5. The trimmer nearest the voltage input adjusts the output VOLTAGE (CV) Charger application - intructions: 1. First determine the float voltage and charging current required by the battery to be charged (the ‘target battery'). The target battery disconnected from the module output, apply a voltage of 7V - 32V to the module input, being sure to observe correct polarity. 2. Using the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the charging current required by target battery. 4. Using the CV trimmer, adjust the module's output voltage to the float voltage required by the target battery. 5. Connect the target battery to the module output, observing correct polarity. Charging of the battery should commence ￢ﾀﾋ Constant current LED Driver Application - Instructions: 1. First determine the operating current and maximum operating voltage of the LED you need to drive. 2. With the CV trimmer, adjust the output voltage to about 5V. 3. Switch your multimeter into its 10A current scale and measure the module's short-circuit output current. Turn the CC trimmer to adjust the current to the operating current of your LED. 4. Adjust the CV trimmer to make the output voltage reach the maximum LED operating voltage. 5. Connect LED, test. Package included: 3 x 8A 300W buck adjustable power supply module