I/O Module Kit Including 7 Sensor I/O Mini Relay 3.96 RS485 DAC ADC I2C GPIO Grove IoT Demoboard for M5

Relay Module click to buy Description RELAY as its namesake is a M5Unit that implenments a Relay functions Relay can be used as an electrically operated switch uses an electromagnet to mechanically operate a switch to where it is necessary to control a large power load circuit by a separate low power signal like a digital signal output from a mircoprocessor Up to 30V DC and 220V AC There are 3 pins named ON OFF COM You can program to make COM connect to ON or OFF just by high and low out put of a digital GPIO PRO TO Board click to buy Description PRO TO is a Unit size of universal prototyping board You can have the total freedom to make your own project as you want it with prototyping perboards that allows laying out customized circuit to interact with the M5 core GROVE Port EXT IO click to buy Description EXT IO is a GPIO Expander With simple I2C commands you can have up to 8 GPIOs Integrates PCA9554PW This 8 bit I O expander for the two line bidirectionalbus I2C is designed for 2 3 V to 5 5 V VCCOpen Drain Active Low Interrupt Output operation It provides general purpose remote I O expansion for most microcontroller families via the I2C interface IIC address 0x27 Its difficult to foresee the needs of your project from the start EXT IO is the perfect solution for expanding the number of IO It allows you to add new features logic timing and sensing to alrady highly integrated designs RS485 click to buy Description RS485 is a TTL to RS485 conve