hi!
correct me if am wrong...
if i have a circuit: a DC power supply 5v, to turn ON a simple led and a switch, when i press the switch it will turn the led ON and it will create a radio wave...?
soo... simply turning a device on and off many times will produce radio waves?!
if i make an...
hello!!!
i made a alarm circuit with a fototransistor and ir led , when the door opens it turns ON and a siren HIGH sound activates and the only way to turn it off is manually…. anyway it works great!
but when the power supply ( a 3.5 v battery ) is On for about 7 hours, it automatically turns...
how does a PULSE code MODULATION WORKS?
When I press a button in my IR transmitter it will send binary codes example.
1 1 1 0 with a 38 KHZ carrier.
The IR receiver device will detect the 38 KHZ ( with the filtered code, 1 1 1 0) and will let it pass.
BUT… how does the device know where to...
hi!
i have almost made a line following car (toy) but i have 1 problem.... my transistor gets hot after a while... am using about 7 volts power supply, i have 2 transistor as a darlingon " bc337 transistors "( when i put the light off the dc motor run very fast like i want ) but when i touch...
hi!
i dont have a serial port neither a printer port in my desktop, ( i want to program my pic16f84 )
i dont want to buy a pickit stuff.
so what if i buy a "pci serial port" will my diy programmer work?