More and more homeowners realize the advantage of having an automatic driveway light. An automatic driveway light is very convenient and an excellent way to save electricity. Now it’s easy to automate an already existing […]
PID Controller is the most common control algorithm used for more precise and accurate control of various parameters in industrial automation & applications. Most often these are used for the regulation of temperature, pressure, speed, […]
Now you don’t have to drain your wallet to buy an EMF meter. Whether you are searching for a ghost hunter or just looking to gauge the electromagnetic field disturbance in your house, a do […]
Even though I have a large collection of TP4056 modules for charging lithium-ion cells, I recently found a pretty small charger module – TP5100 – capable of charging a single lithium-ion cell or two lithium-ion […]
This guide details how to build a simple sawtooth wave generator using the venerable 555 timer chip that can be used to test some of your homemade circuits and projects. Got any questions? I’m happy […]
Peephole proximity sensor presented here is an inexpensive nearness detector for hobby electronics projects and home automation applications, where we need to sense the presence of a person (or object) in front of an entry […]
A fish bite indicator is a mechanical bell or electronic alarm that indicates to an angler that something is happening at the hook end of the fishing line. There are many types of fish bite […]
It was during Christmas week last year that I received an unexpected gift packet from an online store in India. What caught my immediate attention in that collection was the very small microcontroller chip CH551G. […]
The prime intention behind this little post is to share some notes about analog optocouplers which might be useful for hobbyists, students, etc. I know many novices who want to learn the secrets of analog […]
This article is a mere pointer on how to build a mighty light-emitting diode flashgun controller. The presented project idea is intentionally kept do it yourself-friendly by using easily available components. Before we step into […]
