Detail 5V Single Key Start Stop Self locking Relay module
Deskripsi Produk
1. The power supply: 5V
2. Module size: 52.8mm x 32mm x 18mm
3. According to the board of the key, or an external button to make the relay module to attract or disconnect, click on the pull, and then press the button to disconnect, low level trigger. Power on again when the relay is in off state...