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Results tagged with opto-isolator
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user 113566
An optoelectronic device which combines an optical transmitter and receiver in a single package; commonly used in galvanic-isolated control applications such as power supplies.
4
votes
4
answers
16k
views
Driving relay directly from optocoupler, what is best?
I'm designing a smart socket using an ESP-32 and a mechanical relay that can drive 5A at 240VAC. Following typical relay driving circuits, I would like to use an optocoupler between the MCU and relay. …
- 567
1
vote
1
answer
212
views
Open collector circuit input to logic gate
I'm designing a simple circuit where I intercept and read an open collector pulse signal from an external machine and let it pass through to an optocoupler. In addition to that, I can also output a pu …
- 567
1
vote
1
answer
3k
views
Latching/Non-Latching Relay Driver Circuit with darlington optocoupler
I'm designing a circuit where an ESP8266 controls two types of relays, a single coil latching relay and a normal non-latching relay. The relays are power relays use to control low power electrical app …
- 567