The article provides tips and design considerations regarding building a well optimized IC 723 regulated power supply circuit. IC L146 is the improved version of IC 723 which can be […]
Musical Doorbell Circuit with Many Melodies – Christmas Carols, Big Ben, and More
As seen in the diagram the main stages of the circuit is built-in inside the musical chip in the form of oscillator, frequency divider, drive ROM, a ROM having 512 […]
Two Transistor Voltage Doubler Circuit
The following small circuit will create a DC output that may be nearly 2 times the supply voltage. A square wave input is necessary of adequate amount to switch T1 […]
20 Easy IC 555 Circuits for Students and New Hobbyists
In this post we learn how to build 20 simple IC 555 based application circuits which for many useful purposes. This post begins by looking at the 555 as the […]
Scrolling LED Clock Circuit
The scrolling LED clock detailed in this post produces a great timepiece by showcasing the numbers in a dot-matrix arrangement and scrolling the digits in a ticker-tape manner. Using this […]
Cold Cranking Ampere CCA Estimator Circuit
CCA is a specification utilized in the battery industry to determine a battery’s capacity to start an engine in freezing temperature ranges. In most cases, it is simpler to start […]