A thermometer may be required for the precise measurement of temperatures. However, in many cases, an absolute value isn’t required and a relative estimate is sufficient. For example, the consumer […]
Search Results for: alarm circuit/
Medical Store LED Cross Sign Circuit [Plus Sign]
In this post we will learn how to make an interesting yet simple running LED cross sign or plus sign module for displaying in front of medical stores. Nowadays, it […]
CMOS Astable, Bistable, Monostable Circuits Explained
In this article we discuss how to use the low-cost CD4001 and CD4011 quad 2-input gate CMOS integrated circuits in bistable, astable, and monostable multivibrator applications through forty different manners. […]
10 Simple IC 555 Monostable Circuits Explored
In this post we will learn how IC 555 can be used for making 10 different types of monostable multivibrator circuits, such as one-shot type, debounce preventor, retriggerable type, touch […]
7 Accurate Square Wave Oscillator Circuits
In this article we comprehensively discuss 7 accurate RC square wave oscillator circuits with 50% duty cycle, by appropriately configuring the gates from various CMOS ICs such as 4001, 4011, […]
Ni-Cd Low Battery Monitor Circuit using Lambda Diode
The main feature of this lambda-diode low battery indicator for Ni-Cd batteries is that, the circuit itself consumes almost zero current, until the set low threshold level is reached and […]