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Explore Stack InternalLooking at what I assume is the same module on the Sainsmart website it looks like the relays are 5V. That means the 12V you have pumped into them has made the Magic Smoke™ escape.
Throw them away, buy some new ones, and next time don't put in more than twice the voltage it needs.
Throw them away, buy some new ones, and next time don't put in more than twice the voltage it needs.
Looking at what I assume is the same module on the Sainsmart website it looks like the relays are 5V. That means the 12V you have pumped into them has made the Magic Smoke™ escape.
Throw them away, buy some new ones, and next time don't put in more than twice the voltage it needs.
Looking at what I assume is the same module on the Sainsmart website it looks like the relays are 5V. That means the 12V you have pumped into them has made the Magic Smoke™ escape.
Throw them away, buy some new ones, and next time don't put in more than twice the voltage it needs.
Looking at what I assume is the same module on the Sainsmart website it looks like the relays are 5V. That means the 12V you have pumped into them has made the Magic Smoke™ escape.
Throw them away, buy some new ones, and next time don't put in more than twice the voltage it needs.
