Simple Electronic Project | Fire Alarm | BC557
How to make fire alarm using BC557 transistor
Hi, this video is with transistor bc557, 4007 diode, resistor 1.2 ohm and LED. When you heat up the diode, the LED light up.
#bc557
How to make fire alarm using BC557 transistor
Hi, this video is with transistor bc557, 4007 diode, resistor 1.2 ohm and LED. When you heat up the diode, the LED light up.
#bc557