Eltako
✓Price
$18.47
HALJIA 3PCS 4 Channel Relay Module - 5V Relay Board MCU Expansion Board Universal Control Board with Optocoupler Compatible with R3 MEGA2560 Project 1280 DSP ARM PIC AVR STM32 Raspberry Pi
★★★★★
$18.47
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About this item
- This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A.
- 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current.
- Working status indicator lights are conducive for the safety use.
- Made for Arduino, 8051, AVR, PIC,DSP, ARM, ARM, MSP430, TTL-Logik and more.
- Widely used for all MCU control, industrial sector, PLC control, smart home control.
Product description
Features: This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A. 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. Made for Arduino, 8051, AVR, PIC,DSP, ARM, ARM, MSP430, TTL-Logik and more. 4 relay output modules, relay output contacts up to 250A 10A. Input IN1, IN2, IN3, and IN4 low signal are active. VCC, GND power input terminal, relay can be separately powered by relay power input terminal JD-VCC. USES: 1. Support all microcontroller control. 2. Industrial field. 3. PLC control. 4. Home intelligent control. Size: 76 x 56 x 19 mm Weight: 55.8g Packing List: 3 x 4 Channel Relay Module
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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