🏠 Home Assistant configuration & Documentation for my Smart House. Write-ups, videos, part lists, and links throughout. Be sure to ⭐ it. Updated FREQUENTLY!

本次给大家带来的是用数字电路CD4069制作的万能遥控轻触开关，其功耗微小，约5mW,可广泛应用于家庭、宾馆等。 电路工作原理：红外线接收头接收到遥控器发射来的红外线信号，其输出脚输出低电平，经C5、R9、C6耦合至ICd组成的放大器放大，D12检波，ICC整形后 ...

ESP32 modules often have “integrated antennas” printed on the PCBs. But, at times, you might need improved Wi-Fi range. A solution can be an external antenna, but not every module has a socket for ...

Engineer and YouTuber Carl Bugeja recently developed CodeCell, a tiny ESP32-C3 development board designed as the brain for robots, wearables, and smart home devices. This module features a nine-axis ...