The discussed 2 simple IC 555 based emergency lamp system employs just a single IC 555 and yet is able to switch more than 20 LEDs directly, it will illuminate […]
IC 555低电池指示电路
The article explains a simple low battery indicator circuit using the IC 555 and a few resistors only. Circuit Concept Many electronic circuits such as emergency lights, battery chargers, UPS systems, […]
4 Simple Li-Ion Battery Charger Circuits – Using LM317, NE555, LM324
The following post explains a four simple yet a safe way of charging a Li-ion battery using ordinary ICs like LM317 and NE555 which can be easily constructed at home […]
How to Generate PWM Using IC 555 (2 Methods Explored)
The IC 555 is an extremely useful and versatile device which can be applied for configuring many useful circuits in the field of electronics. One very useful feature of this […]
Adjustable Timer Circuit Using IC 555
IC 555 adjustable timer explained here can be adjusted from any time delay 1 second to 3 hours for operating any load through a relay control The produced time delay […]
2简单卡帕citance Meter Circuits Explained – Using IC 555 and IC 74121
In this post we will talk about a couple of easy yet very handy little circuits in the form of frequency meter and capacitance meter using the ubiquitous IC 555. […]