T.K.Hareendran is internationally certified professional freelance electronics circuit designer, technical writer, columnist, consultant, domain expert & trainer. Since 1988.
T.K. Hareendran
T.K. Hareendran
Areas of interest of the author: Analogue Design Oscillators Tools and Technologies Microcontrollers Usage Supply Automation Measurement Robots Power Security Light Solar
Publications on RadioLocman by the author T.K. Hareendran:
- Ultrasonic mist maker (DIY)I needed a simple mist maker/humidifier for a project that I was working on. I found lots of...Dec 24, 2024
- Handheld electric PCB drill speed controllerThis handheld electric PCB drill speed controller is cheap, easy to build, and only uses a few...Sep 28, 2023
- Portable Power Inverter CircuitRecently, my neighbor expressed a deep interest in building a low-power inverter from scratch. This...Jul 19, 2021
- Use Inexpensive Components To Create An Infrared Close-Object Alert CircuitMany robotic applications require a sensor to detect close or very close obstacles. Typically,...Dec 10, 2018
- Smart Power Supply for Microcontroller ProjectsA good, reliable and easy to use dc power supply is probably the most important thing for every...Feb 19, 2017
- Low-Cost Impact Sensor Uses Piezoelectric DeviceAlthough piezoelectric elements have been used for shock and vibration detection for some time,...Feb 2, 2014
- Outdoor Garden Solar LightsThis Outdoor LED Solar Garden Lights project is a hobby circuit of an automatic garden light using...Oct 12, 2010
