Homemade Circuit Designs Just for You

This site is dedicated to all electronic hobbyists and professionals. Here you can post circuit related queries, have discussions and also publish your own homemade circuit ideas. Get circuits on demand.

Saturday, December 20, 2014

Water Softener Circuit Explained

The post discusses a circuit design which can be used for softening hard water and for descaling it into soft water. The idea was requested by Dimple rathode.

Tuesday, December 16, 2014

Grow Light Circuit Using Power LEDs


In one of the previous posts we learned how to wire a low power grow light circuit using 5mm LeDs, here we see how the same may be done using 4 watt power LEDs. The idea was suggested by Mr. Jack.

Monday, December 15, 2014

3 Phase VFD Circuit

The presented 3 phase VFD circuit (designed by me) can be used for controlling the speed of any three phase brushed AC motor or even a brushless AC motor. The idea was requested by Mr. Tom

Thursday, December 11, 2014

Grow Light Circuit Explored

The post discusses a typical grow light circuit application for plants in order to stimulate photosynthesis effect in an artificially lit environment using multicolored LEDs. The idea was suggested by Mr. Jack.

Pedal Speed Controller Circuit for Electric Vehicles Part-1

In this part of the article we learn about an innovative method of converting pedal press mechanism in electric vehicles into a correspondingly varying electrical signal, which may be further used for processing the speed control of the vehicle. The idea was requested by Mr.Lokesh Maini

Pedal Speed Controller Circuit for Electric Vehicles Part-2

In this second part of the article we discuss the processor section for the proposed pedal electric vehicle speed controller circuit.

Wednesday, December 10, 2014

ESR Meter Circuit

The post discusses a simple ESR meter circuit which can be used for identifying bad capacitors in an electronic circuit without removing them practically from the circuit board. The idea was requested by Manual Sofian

Friday, December 5, 2014

Simple 3 Phase Brushless (BLDC) Motor Driver Circuit

In this post we learn how to make a simple controller driver circuit for operating 3 phase brushless DC motors. The circuit employs the popular IRS2330 3-phase driver IC

Thursday, December 4, 2014

Optimizing Grid and Solar Electricity in Parallel with an Inverter

The post discusses a circuit method which may be used to automatically switch and adjust the stronger counterpart amongst the solar panel, battery and the grid such that the load always gets the optimized power for an interrupted error for operations. The idea was requested by Mr. Raj.

Sunday, November 30, 2014


Readers are advised to proceed with the construction of the presented circuits only after understanding the concepts from the core. Not adhering to this can lead to failures and frustrations.