4-channel relay keep watch over board module with optocoupler, 4 method relay module for arduino 4-channel relay output modules, relay output contacts 250A 10A. Input IN1, IN2, IN3, IN4, the signal line LOW effective. VCC, GND power input, can relay a separate power provide relay power input of JD-VCC. Uses: beef up all MCU keep watch over. The commercial sector PLC keep watch over sensible home keep watch over. Wiring: VCC: sure power provide system GND: System power provide negative IN1 – IN4: relay keep watch over ports
Size: 75mm (length) x 55mm (w) x 19.3mm (height)
Weight: 58g
Pcb color: blue
board four weeks with four screw holes, hole diameter 3.1mm, simple to put in and stuck
Manak Chand –
A promising product, worth trying
Manak Chand –
Jasvinder Kaur Roji –
Great item! It provides too many things compared to its price charged.
Jasvinder Kaur Roji –
Badnath –
I think this is amazing. Lots of features and customizable from every point of view. The few times I asked for help in support they were competent, fast and above all very patient. Really recommend
Badnath –
Kanahiya Soni –
Wished I had found this sooner, it took me a lot of money and time until I found my dream product here!
Kanahiya Soni –
Ankit Rajsantosh –
Quite easy to use, nice design, surely will buy again
Ankit Rajsantosh –
Kedarmal –
4 stars for the product, work as described, but not as expected.
Kedarmal –