What it helps you do
Optocoupler isolated 5V relay board for controlling up to 4 high-voltage appliances. Pair it with an Arduino, ESP32 or Raspberry Pi Pico and compatible power module to build high-performance embedded systems.
4-Channel Relay Module
Optocoupler isolated 5V relay board for controlling up to 4 high-voltage appliances.
STUDENT DISCOUNT PRICE
₹179₹240Save 25%
In Stock at Gopalganj Hub (2–4 Hour Express Dispatch)
Local Gopalganj ServiceDelivered in 2–4 hours across district
100% Pre-TestedVerified on test bench before dispatch
Free Project CodeWorking sketches & wiring guides
KNOW YOUR PARTWhere it fits
Where it fits
in your build.
100% Tested Guarantee
Every module is inspected for cold solder joints, proper header alignment and electrical connectivity so your project works smoothly on first power-up.
Need the code too?
Get tested Arduino sketches, wiring diagrams and setup guidance directly from our library.
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1-Channel Relay Module
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RECHARGEABLE
-34%