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
Cup Full Indicator Circuit for the Visually Challenged
This circuit basically is a fluid level alarm indicator intended for alerting visually impaired individuals regarding the liquid level in a container such as cup, glass or bowl. The unit can be … [Read more...] about Cup Full Indicator Circuit for the Visually Challenged
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
Small Stereo Amplifier Circuit with Bass Treble Controls
A complete, self-contained, small and compact Hi-Fi stereo amplifier circuit with bass, treble, volume control is presented in the following article. This small compact stereo amplifier can be used … [Read more...] about Small Stereo Amplifier Circuit with Bass Treble Controls
1 Hz to 1 MHz Frequency Reference Generator Circuit
This circuit is an universal frequency generator which you can use in numerous frequency and time period testing applications. It is primarily well suited for a gate pulse generator in frequency … [Read more...] about 1 Hz to 1 MHz Frequency Reference Generator Circuit