ArduinoHA allows to integrate an Arduino/ESP based device with Home Assistant using MQTT. The library is designed to use as low resources (RAM/flash) as possible. Initially, it was optimized to work ...

Copyright (c) 2010 Arduino LLC. All right reserved. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General ...

Two new series of 4-pin, low AC input current optocouplers with phototransistor output are available from Vishay Intertechnology, Inc. The VOS628A and VOS627A are offered in the compact SSOP-4 ...