![Amazon.com: 4 Channel I2C AC Dimmer Light Bulb Smart Home Compatible with Arduino , Raspberry 110V 220V 50hz/60hz for IOT Projects : Electronics Amazon.com: 4 Channel I2C AC Dimmer Light Bulb Smart Home Compatible with Arduino , Raspberry 110V 220V 50hz/60hz for IOT Projects : Electronics](https://m.media-amazon.com/images/I/51SA9NhHmKL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 4 Channel I2C AC Dimmer Light Bulb Smart Home Compatible with Arduino , Raspberry 110V 220V 50hz/60hz for IOT Projects : Electronics
![Failed to control 220V light bulb by using Arduino UNO, HC05 and 4 relay channel - Motors, Mechanics, Power and CNC - Arduino Forum Failed to control 220V light bulb by using Arduino UNO, HC05 and 4 relay channel - Motors, Mechanics, Power and CNC - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/b/c/5/bc50b639a777704e114765b51e7fac761924c838.jpeg)
Failed to control 220V light bulb by using Arduino UNO, HC05 and 4 relay channel - Motors, Mechanics, Power and CNC - Arduino Forum
![200Pcs 3mm & 5mm Led Light Emitting Diodes Assortment Kit, Mini/Tiny/Small Individual Led Single Light, Clear/White Red Green Blue Yellow Assorted Led Diode Bulbs Set for Arduino, Breadboard, etc: Amazon.com: Industrial & 200Pcs 3mm & 5mm Led Light Emitting Diodes Assortment Kit, Mini/Tiny/Small Individual Led Single Light, Clear/White Red Green Blue Yellow Assorted Led Diode Bulbs Set for Arduino, Breadboard, etc: Amazon.com: Industrial &](https://m.media-amazon.com/images/I/719FIZe6viL.jpg)
200Pcs 3mm & 5mm Led Light Emitting Diodes Assortment Kit, Mini/Tiny/Small Individual Led Single Light, Clear/White Red Green Blue Yellow Assorted Led Diode Bulbs Set for Arduino, Breadboard, etc: Amazon.com: Industrial &
![Turn on Light Bulb with PIR motion sensor (powered by 9V battery) - Project Guidance - Arduino Forum Turn on Light Bulb with PIR motion sensor (powered by 9V battery) - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/6/d/6/6d611d649426c377bbd0affd01f07b74ce4dc451_2_768x1024.jpeg)