This simple circuit is supposed to toggle on and off a led light with a single button. At the start condition the led light is off; at the node 2 of the circuit the signal is high. Continue reading
Car electric window circuit
This basic circuit may be useful to control a car electric window. The electric motor is controlled by two relays. Continue reading
The CD4017 counter
The CD4017 counter is an integrated circuit that switches on ten outputs one at a time, due to a clock signal on the input pin 14. The input pin 13 enables the clock signal, while the input pin 15 is supposed to reset the output condition. Continue reading
