ANALOG CIRCUITS PROJECTS Archive

Analog electronic Analog electronic projects application schematics

Mosquito Repellent Circuit with NE555

Among simple, low-component-count electronic projects that can be built quickly, NE555-based sound generators always have a special place. This circuit is one of them. Looking at the schematic, an extremely..

Long-Range Laser Light Barrier Circuit

The designed laser light barrier can provide reliable detection at a range of 100 meters and more. In this design, which uses a continuously operating wave (CW) laser diode in..

12V Temperature-Based Fan Speed ​​Control Regulator LM35 LM358

This circuit, utilizing LM35 precision temperature sensors, allows for the independent control of two 12V fans. The control stage features an LM358 op-amp. The goal is to prevent the temperature..

Easy to Build, Powerful Long-Range FM Transmitter 5km

It’s been tested and reported to work very well. This simple FM transmitter is very powerful (not a simple transmitter, but easy to build). Using this transmitter, you can transmit..

Digital Logic Integrations and Data Book

Two documents prepared by Texas Instruments for their digital logic gate integrated circuits. One document contains detailed information about the internal structure and operating systems of the 74xx and 40xx..

Pulse Time Control Spot Timer For Battery Spot Welding Machine

For battery spot welding machine construction a powerful source and a control circuit for triggering are required, the cheapest and simplest is the single trigger design made with NE555. The..

6V Battery Discharge Protection Circuit

The purpose of the Battery Protection circuit is to protect the 6V battery from over-discharging. The battery voltage is continuously monitored and when it reaches a dangerously low voltage value,..

OpAmp Tester Circuit

It is actually a simple circuit that makes a flip flop with three different opamp types. The PCB design of the elector is slightly different and the sockets used for..

ESR Meter Modified Analog Multi Meter 150 Khz

Classic analog ESR meter is a circuit based on SN74HC14N integrated circuit, it mainly consists of 150Khz oscillator, buffer, comparator and rectifier amplifier. The maximum range is approximately 75 Ohms..

Low Resistance Measurement 01-OHM 02-OHM and Others LM317

Simple Circuit for measuring low resistance values. It is designed to measure low resistance values from 0.01 to 19.99 Ohms. The measurement circuit and the voltmeter must be fed from..