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What is the purpose of the optocoupler in this circuit to drive the ...
NettetSwitches and Relays Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new Filters Nettet17. aug. 2024 · 2. Yes, relays that use 3.3V coil voltage do exist. However, the lower the coil voltage is, the more current they draw, so you may not want to use a 3.3V relay, but some higher voltage you have available, such as 5V or 12V. A boost converter. greenthumb trustpilot
Controlling 24v relay - Hobby Electronics - Linus Tech Tips
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