In the earlier post we learned comprehensively about how a unijunction transistor works, in this post we will discuss a few interesting application circuits using this amazing device called … [Read more...] about 10 Simple Unijunction Transistor (UJT) Circuits Explained
Simple Ni-Cd Battery Charger Circuit
The post discusses a simple NiCd charger circuit with an automatic overcharge protection and a constant current charging. When it comes to correctly charging a Nickel-Cadmium cell, it is strictly … [Read more...] about Simple Ni-Cd Battery Charger Circuit
2 Simple Fastest Finger First Circuits Explained
The 2 simple fastest finger first indicator circuits presented here can be used for indicating which candidate was the first to press the answer button out of the 4 participating candidates in a quiz … [Read more...] about 2 Simple Fastest Finger First Circuits Explained
Simple Circuit Tester Probe – PCB Fault-Finder
This simple circuit tester can be used for detecting short circuits, abnormal resistance conditions, continuity breaks etc inside an assembled circuit board or a PCB. The indication will be through an … [Read more...] about Simple Circuit Tester Probe – PCB Fault-Finder
Simple Kitchen Timer Circuit – Egg Timer
A kitchen timer is a useful gadget which produces an alarm sound after a predetermined delay, as set by the user for specific time based food recipes that must be cooked only for a certain amount of … [Read more...] about Simple Kitchen Timer Circuit – Egg Timer
Simple Voltage Regulator Circuits using Transistor and Zener Diode
In this article we will comprehensively discuss how to make or design customized zener and transistor voltage regulator circuits in fixed modes and also variable modes. All linear power supply … [Read more...] about Simple Voltage Regulator Circuits using Transistor and Zener Diode