The Mighty ESP-01 Adapter

TK introduces us to the ESP-01 modules and shows us how to get started with a simple serial adapter and and the Arduino IDE. You will be up and running in less than an evening.

Time-based Microstepping and Interrupts with Arduino Mega 2560- Part 1

Enrico Miglino - 03/16/2018

Stepper motors are mostly used for precise motion control of structures or axes for a distance. But what [...]

Unique Fox Flasher

T.K. Hareendran - 03/13/2018

This battery-powered and compact fox deterrent offers nighttime protection from foxes. The minuscule design has a single, high-intensity [...]

433MHz RF Sniffer

T.K. Hareendran - 03/08/2018

These days, 433-MHz RF transmitter/receiver modules are very popular with electronics hobbyists and tinkerers. These cheap short-range radio [...]

Vibrating Proximity Sensor

T.K. Hareendran - 02/28/2018

The vibrating proximity sensor is an amazing infrared proximity detector device that scans a limited area in front [...]

Arduino Nano Sensor Interface

T.K. Hareendran - 02/21/2018

The nano sensor interface presented below is a microcontroller-based universal sensor interface with a power-saver mechanism. The idea, centered around an Arduino Nano (v3) microcontroller, was primarily developed for building standalone security systems and projects [...]


T.K. Hareendran - 02/14/2018

It is very easy to build an "SMS-controlled relay" with the help of a cheap GSM modem module [...]

Portable Air-Cooling Fan/Blower for Hobby Workbench

T.K. Hareendran - 02/09/2018

Here is a true recycling project — turning a laptop’s internal CPU cooling fan into a general-purpose portable [...]

A simple language and parser to control the TLE94112EL Arduino Shield.

Enrico Miglino - 01/30/2018

Part 2 In the first part we introduced the software and architecture of the TLE94112EL Arduino shield platform. [...]

How to Play with SIM800L — Part 2/2

T.K. Hareendran - 01/16/2018

Because the SIM800L module is very flexible, a great GSM project design can be relatively simple. But there [...]

Arduino Project – Infineon TLE94112EL Motor Control Shield

Enrico Miglino - 01/12/2018

This is the first part exploring the motor control shield that I designed for the project where I was doing 3D Printer Filament Measuring with Arduino.  The DC motor portion of the project is based [...]

AC Power Flasher

T.K. Hareendran - 01/09/2018

AC Power Flasher Design The design presented here is an AC power flasher that provides flexible control of [...]

Breadboard Power Supply Adaptor

Brent Voltz - 12/22/2017

The Challenge One consistent challenge that I face in my lab is how to power breadboard projects. I [...]
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