LM2876 40W AB class amplifier with schematic and PCB
The whole project started around one and a half – two years ago when I was surfing on Texas Instruments website in order to find interesting components. Actually, it was around my birthday when I have ordered them, lets say as a birthday gift for myself. I had no idea what I want to build […]
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Getting started with Wemos D1 and AT&T M2X IoT platform
What IoT actually stands for? In order to analyze in more depth, the subject we need to define some basic concepts about this kind of young technology. IoT is the acronym of Internet of Things, a network of hardware, mainly used for automation and data logging in order to simplify every day tasks both in […]
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ARDUINO AND C# SERIAL COMMUNICATION: 2. CREATING A COMMUNICATION PROTOCOL
After publishing my last article (this: Arduino and C# Serial Communication) I have shared it in different places (one of them was Facebook, obviously…) and somebody left me a comment, a very nice one which made me to write this article. Originally I did not planned to create an article series dedicated to serial communication but […]
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Arduino and C# serial communication
In this short article will be presented how you can set up serial communication between Arduino Nano or Uno and a C# application. Many articles are written about this subject all around the internet, but I have not found any of them that could help to create a “real world” and usable application, so I […]
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Referral spam removal
In the middle of the night I was checking my Google Analytics statistic about my website. Where did the users came from, what articles did they read and stuff like that. In the first moment I saw that a lot of users come from other websites like auto-seo-service.org, seoexpertlabs.com. Interesting, why are they directing visitors to my […]
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DIY Resistance spot welder (RSW) – part 1
In these article series I am going to build from scratch a mini spot welder for welding lithium batteries and other small metal objects. Before anything else, we need to define what is resistance spot welding and why it is widely used. Have you ever shorted a car or lithium battery? Or the mains power […]
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Arduino illuminated sign
Nowadays led signs and banners are getting more and more popular, also their price is going down slowly, but personalized ones still have a spicy price, so Ive decided to make one by myself for less than 30$. I wanted to lit up every character separate in order to make it look more interesting and professional, […]
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Rewinding a microwave oven transformer (MOT) for general purpose use
Introduction In this article I am going to present my struggling about rewinding a microwave oven transformer (MOT) in order to make a low voltage (20-30V) but high current (15-30A) transformer. I have done these experiments in order to make a cheap but a very handy transformer for a bench supply. These types of transformers 500-100 VA transformers cost […]
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Using a six wire stepper with an Arduino Uno and Adafruit V1 Motor Shield
In this article I am going to present the basics about using a stepper motor with an Arduino Uno and an Adafruit clone stepper shield. There are many kind of stepper motors around. From small ones that can be found in digital cameras to bigger ones that can move huge CNC machines back and forth. They […]
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