Am I drawing it right? The mark scheme is :
2 resistors in series between +5V line and earth, midpoint connected to inverting input of op-amp.
Relay coil between diode and earth, switch between lamp and earth.
Turn on thread page Beta
Direct Sensing: op-amp and relay watch
- Thread Starter
- 03-10-2017 19:29
- Official Rep
- 09-10-2017 21:16
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