The pcf8563-RTC library is designed to interface ESP chips with the NXP PCF8563 Real-Time Clock (RTC) within the Arduino (C++) Framework. This library is licensed under the MIT License. See the ...

Binary clock, it has 16 pieces WS2812B arranged in a 4x4 matrix display showing binary coded time. Touching the top, the CH32V003 gets a wake up interrupt from a TTP223 touch sensor, wakes from sleep, ...