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3D Printer Filament Measuring with Arduino

Enrico takes us through his solution to ensure that he always knows how much filament is left on his roll. An Arduino and a load cell combined with some ingenious code are all that is needed.

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 [...]

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) — [...]

Home IoT – Voice Controlled Lab Lights with Amazon Alexa and ESP8266

Brent Voltz - 11/20/2017

I recently won an Amazon Echo in a BBQ cooking competition and I was eager to get it set up in my house. As you may know, the Echo allows you to use voice commands [...]

Weekly Roundup – Top Links for the 2nd Week of November 2017

Adam Carlson - 11/17/2017

From the Editor I hope all are doing well.  Here in the US, next week we will be [...]

Hacking a Camera Shutter with Infineon TLE94112LE and Arduino – Part 1

Enrico Miglino - 11/16/2017

Part 1 - Reverse engineering and hardware design This is the first post of the "PONF" series. I [...]

Visualizing Data with Arduino

T.K. Hareendran - 11/14/2017

I like to visualize things, so I decided to prepare this simple tutorial to help you better understand [...]

Weekly Roundup – Top Links for the 2nd Week of November 2017

Adam Carlson - 11/10/2017

From the Editor I must apologize for the late release of the weekly report this week.  I was [...]

How to Use Switch Mode Power Supplies to Power Your IoT Design

T.K. Hareendran - 11/07/2017

An effective and long-lasting power supply is the backbone of any IoT device. Switch-mode power supplies (SMPSs) are undoubtedly good for powering IoT devices, but most of them are bulky and expensive. Fortunately, compact SMPS [...]

Building a DIY LED Ring for DSLR Camera

Enrico Miglino - 11/06/2017

LED Ring for a DSLR Camera For me, when I start a new project, I am not interested [...]

Weekly Roundup – Top Links for the 1st Week of November 2017

Adam Carlson - 11/02/2017

From the Editor This Weekly Roundup has a lot of fun projects (some of which are rather shocking).  [...]
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