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
- : 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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Shipping options
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| Price | $6.99 | $145.41 | $16.55 | $145.48 | $25.28 | $31.00 |
| Seller | Amazon | Joom | Joom | Joom | Joom | Joom |
| Update | Dec 6, 2025 | Dec 8, 2025 | Feb 17, 2026 | Feb 10, 2026 | Feb 5, 2026 | Jan 7, 2026 |
| Channels | 6 | 4 | 6 | 2 | ||
| Control Method | Smartphone remote control | Remote Control | Remote Control | |||