1 Channel Relay Switch Board: 5V Relay Module with Optocoupler Isolation
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!
Product details
General specs
- Seller: Amazon
- Working Voltage: DC 5V
- Maximum Load: AC 250V/10A, DC 30V/10A
- Trigger Current of Opto-Isolator: 5mA
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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$6.99
Last price update: 12/06/25
Available to order
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Delivery to 
India
India
Unavailable
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1 Channel Relay Switch Board 5V Relay Module with Optocoupler Isolation
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| Brand | 3d printing machine | Sber | TrendVibeCN | Meiteai-All | Trimalchio | |
| Model | 1CH Switch Module | SBDV-00050 | W1209 | |||
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| Price | $6.99 | $14.65 | $12.49 | $15.24 | $6.49 | $11.55 |
| Seller | Amazon | Joom | Vsesmart | Joom | Joom | Joom |
| Update | June 12, 2025 | June 2, 2025 | May 8, 2025 | June 6, 2025 | June 9, 2025 | June 7, 2025 |
| Connectivity | WiFi | Wi-Fi, Bluetooth | WiFi | |||
1 Channel Relay Switch Board
$6.99
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