Assume that you’re in the middle of a microcontroller-based project with a big array of...
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Build Your Own NFC Keyring
Near Field Communication (NFC) is a unique technology for creative marketing and mobile payments...
Poor man’s Door Video Security Camera
This article describes a basic idea that can be used to build your own simple video security...
ACS712 – An Introduction
Often a need arise to add a current sensor in your project, when you’re making an electric...
Reflect-A-Bird™ & An Elaboration
Recently I got nothing but an inspiration from a pretty nice commercial product “Reflect-a...
DTDC Switch for Outdoor/Street Lamp
Recently many readers demanded a simple automatic dusk-to-dawn controller (DTDC) electric switch...
Embedded Systems
Electronic Circuits
Poor man’s Door Video Security Camera
DTDC Switch for Outdoor/Street Lamp
Arduino Power-Down & Auto-Save
DFR Turbidity Sensor Review & Thoughts
Jog LED Marker Light
Bluetooth Stereo Audio Adapter – DIY Intro & Review
Rechargeable Power LED Torch
Solar Sensor Wall Light Review & Teardown
Bicycle Tail & Stand light
