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- Sun Oct 22, 2017 4:15 pm
- Forum: General Discussion
- Topic: Questions about the Time Delay
- Replies: 1
- Views: 29615
Re: Questions about the Time Delay
a) Yes, quite OK to take TestRX and connect 4700uF to pins 6 & 7 and the pot. b) The easiest way is to connect a led in series with a 1k to 1.5k resistor from pin 3 to ground. The led will light up when the coil of the relay is energised. BTW, it is usually good practice to connect a diode (1N4...