GitHub

Latching and momentary relay control with indicator LED using an ATTiny

Control a relay (or three!) using a single ATTiny. Connect a switch between switch in and ground and then connect your relay to one of the three relay pins. No need for an external pull up resistor ...
GitHub

Raspberry Pi Relay & APA102 LED Controller

Raspberry Pi Relay & APA102 LED controller allows control & switching of APA102 addressable LED strips (and LED driver) using a web GUI. Motor controller functionality is also built-in to control hard ...
note

電気抵抗の代わりにLED

廣瀬元紀さんの展示を見ていたら押すと光るスイッチを見つけた。スイッチの入力を機器へのラインの他にLEDに分岐している。マイコン経由で2個のリレーに分岐か。。 廣瀬さんに仕組みを尋ねたら 【かんたん工作】100均グッツで可愛く光る意思伝達 ...
elektormagazine

9-Channel Relay Control Board with PC Interface (130549)

Remove D2 from relay main board Remove C5 from relay main board Connect FT231X K3 pin 2 (or K2 pin 4) to R4 on relay main board Connect FT231X K3 pin 3 (or K2 pin 5) to R3 on relay main board Connect ...