Soldered Electronics has made ESP32-based e-paper displays for years, starting with the launch of the Inkplate 6 in 2019. The ...
Looking to add visuals to your Arduino projects? The I2C OLED breakout board is perfect for that. Because of its high contrast, you will be in awe of its crispness! The display is made from hundreds ...
The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...
A primary student learns first aid skills under the guidance of a volunteer from a local Red Cross society in Handan, Hebei province, on Thursday. [Photo by Hao Qunying/for China Daily] With wider ...