esp32 relay board

KC868-A8 hardware design details

While we dealt with the universal entry-level controller on ESP32 for DIY automation Kincony KC868-A4 his older brother Kincony KC868-A8 “came up” – a much more serious device with 8 optoisolated digital inputs, 8 relays on board for controlling various equipment, an I2C connector on the board, a built-in Ethernet interface on the LAN8270A and…