Hosyond 6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560
Price: (as of – Details) Buy Now Module parameters: ▪Size: 51mm(L)*39mm(W)*18.5mm(H) ▪Single weight: 28g ▪PCB color: black ▪There are 4 fixing screw holes around the board, the hole diameter is 3.1mm, which is convenient for installation and fixing ▪High quality relays. A common end, a normally open end, and a normally closed end. ▪Optocoupler isolation, … Read more