In today's project, I am going to make a flip-flop circuit by using the most popular NPN transistor BC547 A Flip-Flop LED flashing circuit is a fundamental circuit that delivers a continuous square ...

In designs using multiple LED strings such as brake lights, daytime running lights, rear lights and other automotive lighting applications, current-balancing circuits supply equal current to all LED ...

With great pleasure I accepted Elektor's challenge to design an analog version of the well known digital PWM one. My goal was to develop a discrete analog circuit with a minimum of transistors and ...

The "Circuit Shorts" series continues! This time, Saar covers dual-BJT constant current. There are many ways of driving LEDs and each has its merits for a particular application. Using a current ...

Light-emitting diodes (LEDs) are often used with a voltage source from a power-supply output voltage. The output voltage increases until the current through the LEDs reaches the value of the ...

A technical paper titled “Tunnel Junction-Enabled Monolithically Integrated GaN Micro-Light Emitting Transistor” was published by researchers at the Ohio State University and Sandia National ...

This tester is primarily meant to test bipolar transistors. It can indicate the type of the transistor as well as identify its base, collector and emitter pins. The circuit is very simple. The ...