Control board module

HALL EFFECT CURRENT SENSOR MODULE; +/-5A RANGE; PROPORTIONAL ANALOG VOLTAGE OUTPUT; INTERFACES WITH 3.3V / 5V SYSTEMS ASC714 18x20

SIM808 GSM GPRS GPS BT Development Board Module For Arduino Description: SIM808 a new generation of GSM, GPRS, GPS, bluetooth (optional) SIM808 GSM GPRS module is a four frequency for the castle hole encapsulation. Its performance is stable, compact appearance, high cost performance, which can meet the various needs of customers. SIM808: SIM808 working frequency for GSM/GPRS / 1800/1900 850/900 MHZ, can realize low-power transmission of voice, SMS and data information. Features: The four frequency MHZ 850/900/850/900 SMS FTP/HTTP, embedded TCP/UDP protocol DTMF detection, bluetooth 3.0 (optional), USB interface Arduino SIM808 shields hardware: Power interface support 5-20V voltage input, pay attention to the voltage of 5-9V, can provide not less than 2 a power adapter current. 1. Can choose to use through the jumper cap hardware serial port (D0 D1) or software serial port (D7 D8). 2. Support the MICRO SIMCARD. 3. Support four headphone jack (I type). 4. Update SIM800C firmware support via USB or serial port. 5. Can be upgraded to a bluetooth version of the development board. 6. On board TVS diode, SIM card protection IC, two 100 uf tantalum capacitors and so on a variety of ways to make the stable development board performance. 7. Support the lithium battery (3.6-4.2 V) For TTL level serial communication interface. Fully compatible with the Arduino and compatible with other 5 V, 3.3 V, 2.85 V system. Arduino SIM808 shields software: By TTL level a serial port communication with external systems, the default is communicated with 5 v system directly. Communicated 3.3 V and 2.85 V, it needs to do a bit of hardware processing. Communication interface (command) for the AT command, which is control module function to realize the AT command, such as: control module to make calls using ATD * * * * * * *; (* phone number) for each other. Package included: 1 x SIM808 GSM GPRS GPS BT Development Board Module For Arduino

5pcs 1CH 12V 30A Relay Module High Power Relay Control Board Single Switch

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Description: STX882 ASK Wireless Remote Control Transmitter Module: STX882 is a ASK transmitter module with small size, ultra high power, low harmonics. With high stability, it can be achieved at 50mW power when the voltage is 3.6V, it is the maximum transmitter power module under the the same voltage in the market. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. SRX882 ASK ASK Wireless Remote Control Superheterodyne Receiver Module: SRX882 is a superheterodyne receiver with micro power and strong driving force, is supplementary STX882 / STX888 module. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient. Module Function Demonstration DEMO Board: Package included: 3 x 433MHz 100m transceiver module kit (3pcs ASK transmitter STX882 + 3pcs ASK receiver SRX882 + 6pcs copper spring antenna)

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3Pcs CJMCU-MCP4725 I2C DAC Breakout Development Board Module Description: You’ve always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The CJMCU-MCP4725 is an I2C controlled Digital-to-Analog converter (DAC). A DAC allows you to send analog signal, such as a sine wave, from a digital source, such as the I2C interface on the Arduino microcontroller. Digital to analog converters are great for sound generation, musical instruments, and many other creative projects! This version of the CJMCU-MCP4725 Breakout fixes a few issues with the board including the IC footprint, the I2C pinout, changes the overall board dimensions to better fit your projects, and a few more minor tweaks. This board breaks out each pin you will need to access and use the MCP4725 including GND and Signal OUT pins for connecting to an oscilloscope or any other device you need to hook up to the board. Also on board are SCL, SDA, VCC, and another GND for your basic I2C pinout. Additionally, if you are looking to have more than one MCP4725 on a bus, the pull-up resistors on this board can be disabled just check the Hookup Guide in the Documents section below for instructions and tips on doing this. Feature: 12-bit resolution I2C Interface (Standard, Fast, and High-Speed supported) Small package 2.7V to 5.5V supply Internal EEPROM to store settings Package included: 3 x CJMCU-MCP4725 I2C DAC Breakout Development Board Module

5Pcs CJMCU-MCP4725 I2C DAC Breakout Development Board Module   Description:    Youve always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The CJMCU-MCP4725 is an I2C controlled Digital-to-Analog converter (DAC). A DAC allows you to send analog signal, such as a sine wave, from a digital source, such as the I2C interface on the Arduino microcontroller. Digital to analog converters are great for sound generation, musical instruments, and many other creative projects!   This version of the CJMCU-MCP4725 Breakout fixes a few issues with the board including the IC footprint, the I2C pinout, changes the overall board dimensions to better fit your projects, and a few more minor tweaks. This board breaks out each pin you will need to access and use the MCP4725 including GND and Signal OUT pins for connecting to an oscilloscope or any other device you need to hook up to the board. Also on board are SCL, SDA, VCC, and another GND for your basic I2C pinout. Additionally, if you are looking to have more than one MCP4725 on a bus, the pull-up resistors on this board can be disabled just check the Hookup Guide in the Documents section below for instructions and tips on doing this.   Feature:   12-bit resolution I2C Interface (Standard, Fast, and High-Speed supported) Small package 2.7V to 5.5V supply Internal EEPROM to store settings   Package included:   5 x CJMCU-MCP4725 I2C DAC Breakout Development Board Module

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