Friday, September 19, 2014

Soil Moisture Sensor Meter with Automatic Water Sprayer Circuit

The article explains a 10 stage soil moisture sensor meter circuit with an integrated automatic water sprayer mechanism for restoring  the critical condition of the soil. The idea was requested by Mr. Remy.

Saturday, September 13, 2014

Customizing Car Side Marker Lights to Flashing Side Markers

The article discusses a car side marker modification which enables it to respond to the existing turn signal pulses and flash in tandem with the turn signal flashing. The idea was requested by Mr. Jerry Klein.

Thursday, September 11, 2014

Automatic PWM Door Open/Close Controller Circuit

The post explains a simple PWM controlled automatic turnstile or door circuit featuring an automatic open/close action via a photo-interrupter stage. The idea was requested by Mr. Bruce Clark.

Sunday, September 7, 2014

What's Islanding in GTI (Grid Tie Inverter), How to Fix it - A Discussion

One big issue that most GTI manufacturers struggle to implement effectively is, what is commonly known as "islanding", the following discussion throws light on this important factor and tries to find a solution. The issue was pointed out and clarified by Mr. Dennis, Let's learn more.

Saturday, September 6, 2014

Remote Controlled Pulley Hoist Mechanism Circuit Part-2

The previous discussion explained how the pulley hoist mechanism needs to be fixed, next, as per the request the motor is intended to be controlled via a remote control circuit.

Remote Controlled Pulley Hoist Mechanisn Circuit Part-1

The post discusses a self locking worm gear mechanism for hoisting heavy loads through an electrical motor. The main feature of the system being its self locking in an event of a motor failure. The idea was requested by Mr. Amit Patkar.

Friday, September 5, 2014

PWM Air Blower Controller Circuit for Biomass Cook Stoves

The article details a PWM speed controller circuit for a fan air blower system to be used in Biomass cook stoves. The circuit also includes an uninterrupted automatic battery back-up supply with an integrated automatic battery charger circuit for the particular application. The idea was requested by Mr. Tushar and Sivaranjani.

Wednesday, September 3, 2014

Grid Transformer Fire Hazard Protector Circuit

The post explains a smart mains fire hazard protector circuit which can be used for preventing mains grid transformers from over heating and causing sparks or even burning due to a possible fire. The idea was requested by Mr. Ravindra Shedge

Tuesday, September 2, 2014

Laptop Anti-theft Security Alarm Circuit

The post explains a simple security alarm circuit which can used with any concerned object such as a laptop which needs to be protected, when an intruder tries to approach the unit or makes an attempt to steal it the connected alarm is instantly raised. The idea was requested by one of the dedicated readers of this blog.

Saturday, August 30, 2014

Making an Overunity Generator Using two Motors

The post discusses an over unity generator set up using two motors and an inverter for getting a sustained free energy infinitely. The idea was suggested by Mr. Dare.
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.