In this post I have explained 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. Technical Specifications I love electronics, especially automation, I have been […]
Controlled
Cellphone Controlled Car Starter Circuit
The post presents a simple cellphone triggered remote control circuit that can be applied as a cellphone operated remote car starter. The unit would cost less than $20 to build. I have already covered quite a few interesting cellphone remote control circuits in this blog, all of which can be implemented to control or toggle […]
Infrared (IR) Controlled LED Emergency Lamp Circuit
Here I have explained a an emergency lamp circuit which includes an infrared remote operated brightness control feature. The idea was requested by Mr. Heeran Technical Specifications Can you please help me with two circuits. I want to build a backup led emergency lamp that works via an infrared remote . I want it to […]
How to Make a PWM Controlled Fan Regulator Circuit
In this article we look into a simple 220V mains PWM controlled fan or light regulator circuit which does not require a microcontroller or costly triac drivers for the intended operations. Capacitive Phase Chopping All Ordinary types fan regulator and dimmers which rely on capacitive phase chopping technology have one drawback in common, these generate […]
Remote Controlled Wireless Water Level Controller Circuit
For multi-storey buildings where water tanks could be at considerable heights over building terraces, monitoring the levels automatically could become a major issue. RF remote control modules have become pretty cheap nowadays which could be effectively used for solving the inconvenience. I have explained how to make and install a wireless water level controller circuit […]
Float Switch Controlled Water Level Controller Circuit
The post narrates a simple water level controller circuit using a float switch mechanism. The idea was requested by Mr. tpraveenraj. Technical Specifications I’m a electronic hobbyist from software field. So I try with the things in the weekend. I saw your blog recently and really admired to test this circuit, and when I went […]





