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Using Visual Basic-MScomm or another software package how would you connect a relay to the Com port and a flashlight to the Relay
The problem i've been having is that I can only get 1 - 1.8 volts out of the Com port off a standard PC-compatiable. The smallest relay i
can find has trip voltage at 3 volts. I can send pulses from the com port but they wont trip the 3 volt relay.
I've been told to try to chain more pins off the com port to creat more voltage.. trying but i failed and i think i might be breaking my PC.
Any information this community can provide will be greatly appreciated!!! thank in advance
Nathan
The problem i've been having is that I can only get 1 - 1.8 volts out of the Com port off a standard PC-compatiable. The smallest relay i
can find has trip voltage at 3 volts. I can send pulses from the com port but they wont trip the 3 volt relay.
I've been told to try to chain more pins off the com port to creat more voltage.. trying but i failed and i think i might be breaking my PC.
Any information this community can provide will be greatly appreciated!!! thank in advance
Nathan