TK continues to explore the SIM800L GSM modem. This time he shows us how to send simple SMS messages with the device. This is particularly useful for edge devices and sensors.

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 [...]

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 AC load circuits. Optical isolation between the control input voltage and output load voltage permits control input [...]

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 [...]

How To Play with SIM800L: Part 1

T.K. Hareendran - 12/14/2017

Intro to the SIM800L If you are looking for a compact GSM/GPRS module, you can get the SIM800L [...]

3D Printer Filament Measuring with Arduino

Enrico Miglino - 12/07/2017

If you frequently use a 3D printer for your projects then you may experience issues calculating the material [...]

Building a Smart Master/Slave Switch

T.K. Hareendran - 12/06/2017

Here is an inexpensive and easy-to-build master/slave switch for integration into powerstrips for the automatic switching of “slaves” [...]

Weekly Roundup – Top Links for the 4th Week of November 2017

Adam Carlson - 12/01/2017

Weekly Roundup In the US last week we had Thanksgiving.  It was wonderful to be able to spend time with family and friends and to share a wonderful meal.  Though, this week we are back [...]

Hacking a Camera Shutter with Infineon TLE94112LE and Arduino – Part 2

Enrico Miglino - 11/30/2017

Part 2 - Arduino Software This is the second part of the "PONF" series. For those that are [...]

Wi-Fi Witty Primer

T.K. Hareendran - 11/28/2017

This is just an introduction to Wi-Fi Witty (also known as Wi-Fi Witty Cloud Development Board/ESP Witty) — [...]
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