1x IO Expander Plus 1x 20cm Dupont 4-Pin 2.54mm Female to 4x 1-Pin Female Header Starting Out? Make sure you get our IO Expander Bundle Deal as well! Detailed Product Information Feature List 16 Digital IO/ADC Sensor lines. 4 additional relay control lines. Use the Relay Expander to control up to 256 relays. Overvoltage and up to 30kV ESD protection on all 16 IO lines. Uses common RJ11 straight through phone cable to connect sensors. 115.2k N81 simple serial control protocol. Support for 9-bit multi-drop to connect up to 255 IO Expander boards together. Use the IO Extender to connect IO Expander boards together up to 4000 ft. Uses +2.7VDC to +18VDC 1A input to regulate +5V, or +5V external input to power board and sensors. Reverse polarity input protection. Thermal shutdown and then back on at 150°C. Firmware upgradeable over the internet. Supports Maxim 1-Wire® bus (Standard & Overdrive Speed with software-controlled active pullup). Support for unlimited I2C devices using 1-Wire® to I2C. Onboard temperature sensor. Easy interface to PC, MAC, Arduino, Raspberry Pi or any MCU with a serial port. Idle mode 9mA with 5V direct input, 8mA with 12V regulated input. 87.3mm x 58.4mm Sensors Supported Maxim 1-Wire® DS18B20,DS18S20,DS1822 Temperature. Maxim 1-Wire® DS28E17 to I2C. OneWire AM2302,DHT11,DHT22 Temperature/Humidity. Sensitron SHT1x Temperature/Humidity. 4 Relays or Relay Expander for 256 Relays. Flow (Hall Effect). GPIO Control. Float Switch (Magnetic and Optical). Button Input. Proximity Sensor. Capacitive Soil Sensor. Ultrasonic HCSR04. ADC TEMT6000 Light. Sensitron I2C HTU2x,SHT2x,SHT3x Temperature/Humidity. I2C Control Atlas Scientific EZO Circuit Flow/Temperature/pH/ORP/Dissolved Oxygen/Conductivity. Silicon Labs I2C Si7021 Temperature/Humidity. Bosch I2C BMP180 Temperature/Pressure. Bosch I2C BMP280 Temperature/Pressure. Bosch I2C BME280 Temperature/Humidity/Pressure. TAOS I2C TSL2561 Light. Ti I2C LM75 Temperature. Maxim I2C DS3231 RTC/Temperature. Atmel I2C AT24C32 32Kbps Serial EEPROM. SSD1306 I2C 128x64 Dot Matrix OLED/PLED Display. Microchip I2C MCP9600,MCP9601 Thermocouple Temperature. HX711 Load Cell Weight Sensor. SH1106 1.3" I2C 128x64 Dot Matrix OLED/PLED Display. TAOS I2C TSL2591 Light. TAOS I2C TCS34725 RGB Light. Sensirion I2C SCD30 CO2 Temperature/Humidity. Sensirion I2C SCD40,SCD41 CO2 Temperature/Humidity. 433MHz RF Transmitter. PCF8574 8-bit I2C Expander. ADS1015 12-bit 4-Channel ADC I2C Expander. New sensors added with firmware updates. 1-Wire is a registered trademark of Maxim Integrated Products, Inc.
