Use an Arduino or any ATMega as digital/analog IO expander, DAC, PWM controller, EEPROM, external RAM etc... via I2C If you ran out of IO pins with your ESP8266 or any other MCU, adding an Arduino ...

[SeanHodgins] has a project in mind where he needs to sample over 500 analog sensors. To get ready, he made a breakout board for 32-channel analog multiplexer device he wants to use. He put the ...

//DIGITAL_READ(2, A4, 4); //Not avaliable on Arduino Uno, i2c pin. //DIGITAL_READ(2, A5, 8); //Not avaliable on Arduino Uno, i2c pin.

Arduino is probably the first thing that comes to mind for most hobbyists and students when they think about embedded systems. It has certainly gained its name among the electronics community, and in ...

I have started this joystick controller experiment inspired by the need of a simple DIY joystick which could deliver greater flexibility in the possible designs. Hardware component basis is very ...