4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board
Description
- It integrates 4-channel 5V relay module, and is fully compatible with R3 control board.
- The 4-channel relay module shield is active at HIGH level.
- Relay Terminals: high-power, high-current high voltage can be connected to the device.
- Separately connect the 4-channel relay to digital port 4, 5, 6, 7 on the R3 control board, then through controlling output HIGH or LOW to control the relay on and off.
- How to use: search for "keyestudio wiki ks0251" in Google Chrome to get the wiki online tutorial for this product.
WHY CHOOSE KEYESTUDIO!
1.EXCELLENT QUALITY
solder is very clean, everything is aligned nicely, all boards are well packed after function,voltage, current testing
2.COOL YELLOW BLACK DESIGN
The yellow trim is definitely a departure from the standard, dull, black boards, and the yellow silk screen on black mask really pops, making it easy to read the pin labels
3. REALLY SAFE
This board made from environmentally friendly components and materials, as well as environmentally friendly production technology
Specification
1.Working Style: high level is effective.
2.Contact Capacity: AC120V /3A
DC24V/3A
3.Weight: 39.4g
4.Size:69*53*27mm
5.Fully compatible with UNO R3 board
6.Indicator LED onboard for Relay output status
Technical Specifications
Shipping & Delivery
Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.
Returns & Exchanges
We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.

