For testing I've used the Arduino nano to emulate two devices, one I2C photoresistor sensor and one SPI PWM LED. These devices, for example, could be two different attiny85; but as the atmega368p is ...

Arduino_GFX for ESP32-S3 and 4" RGB touch screen is a Arduino graphics library supporting various displays with various data bus interfaces. This library start rewrite from Adafruit_GFX, LovyanGFX, ...

SPI is a crucial communication protocol that is widely used to communicate among microcontrollers, SD cards, and various other sensors. SPI stands for Serial Peripheral Interface, it's a synchronous ...

Nowadays, visual indication is a must-have feature for any electronic device, which will make user interaction much easier. There are multiple ways to implement the visual indication, from simple ...