A float switch is a device which detects a fluid level (such as water) and activates a set of contacts which may be further integrated to a control circuit for restricting the fluid flow behavior. Why a Float Switch The advantage of a float switch is that it works without a direct contact with the […]
Making
Making a Flynn Motor
The post provides an in-depth description of the Flynn motor circuit concept and furnishes the rough replication details for the same. Parallel Path Concept In one of my previous posts we got a comprehensive view regarding what’s populary known as the parallel path magnetic theory In this theory a relatively weaker electromagnetic assistance is used […]
Making a 10/12 watt LED Lamp with 12 V Adapter
In this post I have explained the construction of a homemade 10 watt LED lamp using ready made 12 V SMPS adapter. The project was successfully built by Mr. Debabrata Mandal. In many of previous posts I have discussed the use of 1 watt white LEDs for making high efficiency LED lamps for implementing in […]
Making a Parasite Zapper Circuit
An interesting electronic parasite zapper circuit shown below was successfully built and tested by my friend Mr. Steven. I have explained more about the proposed circuit. What is a Parasite Zapper The purpose of this device is simple, it is meant to act like a parasite zapper, a DIY electronic device that people say can […]
Making a Cell Phone Controlled Remote Bell Circuit
The following circuit of a cell phone controlled remote bell can be used for ringing bells or alarm devices using your personal cell phone. The unit incorporates an attached cheap cell phone as the modem for executing the proposed functions. Circuit Concept The explained circuit can be used in schools for ringing bells using a cell phone […]
Making a Multi-function Water Level Controller Circuit
The following multi-function water level controller circuit post is based on the suggestions expressed by Mr. Usman. I have explained more about the requested modifications and the circuit details. The Circuit Suggestion: The concept of this circuit looks good. May I suggest a couple of other desirable features? 1) To protect the motor from potential overheating (or […]





