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2 hardware_setup

Arduino Melody Shaper

This tutorial will show you how to use the Arduino to play your most-loved tunes. […]
lipo charger circuit

Compact 2S LiPo Battery Charger

T.K. Hareendran - 09/28/2016

The compact LiPo battery charger introduced here can be used to charge almost all standard 2S LiPo battery [...]

Arduino Visual Basic Integration

T.K. Hareendran - 09/22/2016

Usually, I use the Serial Monitor of the Arduino IDE to communicate with the Arduino hardware. But now, [...]
blackcout alert circuit

Intelligent Blackout Notifier

T.K. Hareendran - 08/27/2016

The intelligent blackout notifier is a mains supply monitoring device that will trigger a distinct alarm when the [...]
circuit

Automatic Fragrance Dispenser Circuit

T.K. Hareendran - 08/10/2016

I am building an automatic fragrance dispenser (AFD) from scratch and, because I am a little crazy, I [...]
toilet cistern overflow monitor schematic

Retrofit Toilet Cistern Overflow Monitor

T.K. Hareendran - 08/01/2016

Toilet cistern overflows not only waste water but increase the risk for slip-and-fall injuries. The retrofit cistern overflow monitor circuit presented here safeguards your property and helps to maintain a safe and sanitary bathroom environment. [...]
CFT-1

Wireless Remote Camera Flash Trigger

T.K. Hareendran - 07/25/2016

Here is an efficient and economical circuit for a wireless remote camera flash trigger, useful for capturing scenes [...]
water pump guard schematic

Air Cooler Water Pump Guard

T.K. Hareendran - 07/17/2016

Compact, submersible water pumps are mostly used on air coolers, aquariums, and fountains. If the pump runs out [...]
live fence tester

Cordless Live Fence Tester

T.K. Hareendran - 07/11/2016

Electrified fencing is usually used to control animals with smaller and cheaper fence constructions than would otherwise be [...]
RSC-1

DIY RCC SMPS Circuits

T.K. Hareendran - 07/08/2016

Every non-battery-powered electronic device requires converting offline ac power to some dc voltage for powering electronics. Nowadays, efficient [...]
Solar Window Charger Schematic

Solar Window Charger Circuit

T.K. Hareendran - 06/30/2016

Solar window chargers have several advantages when compared with other charger types. You can stick this DIY solar window charger to the inside of a glass window with the solar panel facing out and then [...]
bbc microbit front

BBC micro:bit product review

Enrico Miglino - 06/16/2016

While almost all of the electronic distributors, hobbyist sites, and online electronic shops have the BBC micro:bit available [...]
555 flood alarm

Basement Flood Alarm Circuit

T.K. Hareendran - 06/11/2016

Even though floods don't always rate high on our list of concerns, if we get an early warning [...]
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