Reading time: <1 minut The project presents an electronic firefly with a single LED powered at 1.5V. It is based on two bipolar transistors, one PNP (BC556) and one NPN (BC546). Its consumption is only 2mA. The circuit can be used in various applications, with low consumption.
Reading time: 2 minute "Fireflies" is the popular name for a stable circuit with 2 LEDs that light up successively. The project presents an electronic module for initiation in the field. The assembly is powered by a 9V direct current source.
Reading time: <1 minut "Fireflies" is the popular name for a stable rocking circuit with 2 lights that light up successively. The circuit aims to learn how to use MOSFET transistors.
Reading time: <1 minut The presented project lights 3 LEDs consecutively. The circuit is relatively simple, being designed of 3 NPN transistors, 3 polarizing capacitors, 3 LEDs, a potentiometer and some resistors.