1 Channel Relay Switch Board: 5V Relay Module with Optocoupler Isolation
Meet the 1 Channel Relay Switch Board—your go-to gadget for tinkering with electronics without breaking a sweat. It's got a 5V relay module that's not just any module; it comes with optocoupler isolation to keep things running smoothly and safely. Think of it as a bouncer at a club, making sure the relay switch current doesn't mess with your I/O ports.
Now, let's talk about what makes this little board a big deal. First off, it's got a fault-tolerant design. That means even if your control line decides to take a nap (read: breaks), the relay won't freak out and start working unexpectedly. Then there's the jumper design, which is like having a switch in your hand to decide if the unit plays nice with high or low signals. And the best part? It's a social butterfly—compatible with ARM, PIC, AVR, MCU, Raspberry, CNC Machine, PS4, and pretty much anything else you can throw at it. Talk about being the life of the party!
Features
- High or Low Level Trigger
- Fault-Tolerant Design
- Strong Driving Ability
- Wide Application Compatibility
- 5V Relay Module with Optocoupler Isolation
General specs
- Seller: Amazon
- ID: B095YD3732
- Working Voltage: DC 5V
- Maximum Load: AC 250V/10A, DC 30V/10A
- Trigger Current of Opto-Isolator: 5mA
- First listed by seller: 6/12/25
If you are interested in more details, you can find full information on the seller's page.
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1 Channel Relay Switch Board 5V Relay Module with Optocoupler Isolation
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| Brand | Shenzhen Nanfang Liancheng Industrial Co., Ltd | VEVOR | Sonoff | Sonoff | Sonoff | |
| Model | CR-BSAC100 | OT029 | POWR320D | 4CHPROR3 | BasicR2 | |
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| Price | $6.99 | $18.99 | $53.99 | $25.89 | $31.59 | $23.99 |
| Seller | Amazon | Amazon | Vevor | Amazon | Amazon | Gshopper |
| Update | December 6, 2025 | December 6, 2025 | August 16, 2025 | December 6, 2025 | December 6, 2025 | July 25, 2024 |