Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Hello Everyone...
I am trying to make a Low Voltage Buzzer Warning that beeps on and off, without a microcontroller....
I have a latching detection circuit here that puts out about a 6V signal until the battery is dead, then it drops off and latches off until it is reset....
This is the...
I have this circuit built, and the first batch of 6 pieces all worked.
Now the second time, I made 4, and only 1 works, the others all do the following.
When the voltage goes below 16.2V, the output drops to 7.8V and something buzzes softly. The voltage then after a bit, does go down to zero...
heres my project and or idea.... im trying to use a two way radio to signal another two way radio. i have 12 VDC magnetic solenoid thats hooked to a bird launcher(big sling shot used for training retrievers). when solenoid receives power it retracts in turn releasing the latch.... i have done...
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