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Forum: 70. Control Systems

Wed 31 October 2018, 10:15

Replies: 1

Drive a relay via a transistor

Views: 7,785

Posted By Richards

In the left-side schematic in the previous post,...

In the left-side schematic in the previous post, I showed R1 at 10K and R2 at 100K. Those values work when the power supply is 24VDC, but what about a BeagleBone Green that toggles between 0v and...

Forum: 70. Control Systems

Sat 27 October 2018, 15:44

Replies: 1

Drive a relay via a transistor

Views: 7,785

Posted By Richards

Drive a relay via a transistor

I've received some questions about connecting a relay to a BOB with transistors. There are two drawings attached that show how easy it is.

One shows a 2N2222 NPN transistor (T1) that drives a...

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