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Archive for the ‘tutorials’ Category

Arduino Tutorial: Adding sensors to your data logger

Monday, January 15th, 2018

Edward Mallon writes: This post isn’t another How-To tutorial for a specific sensor because the Arduino community has already produced a considerable number of resources like that.  You’d be hard pressed to find any sensor in the DIY market that doesn’t give you a dozen cookbook recipes to follow after...

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Yet another ARM development tutorial

Tuesday, January 9th, 2018

ARM development tutorial at smdprutser.nl: It has been a while since I wrote about ARM development. I recently made a Black Magic Probe (BMP) clone which acts different then the original. The BMP can source power to the target, but on my version control signal is inverted. Not a big...

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ESP8266 voltage regulator (LiPo and Li-ion batteries)

Tuesday, December 5th, 2017

Rui Santos writes, "In this guide, you’re going to build a voltage regulator for the ESP8266 that can be used with LiPo and Li-ion batteries." More details at RandomNerdTutorials.com. Check out the video after the break. (more…)

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Posted in tutorials | 5 Comments »

ESP8266 Deep Sleep with Arduino IDE

Monday, October 30th, 2017

Rui Santos has written a great guide shows us what’s Deep Sleep and how to use it with the ESP8266 in the Arduino IDE. With most of the ESP8266 modules, you can’t change the hardware to save power, but you can write software to do it. If you use the...

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Posted in Arduino, tutorials | 2 Comments »

Pulse Oximeter functionality for a medical device

Wednesday, October 18th, 2017

Alexander Lang writes: The gentlemen for whom I'm developing this hardware for has requested some additional functionality. The additional functionality requested is a Pulse Oximetry measurement.  Pulse Oximetry is the measurement of a person's pulse along with how much oxygen is present within their blood.  It is a common measurement...

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How to build your own RS232 to TTL converter

Friday, September 29th, 2017

A how-to on making a DIY RS232 to TTL converter by Jestine Yong: As I read many pages on the internet I saw there is a sort of adapter so called “USB to TTL adapter” who can communicate through with the uC. I had not the time to order one...

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Posted in DIY, tutorials | 4 Comments »

Extend Eagle CAD tool with ULPs: Writing your first User language program

Wednesday, June 28th, 2017

Yahya Tawil posted a detailed how-to on writing ULP's for Eagle CAD: In this tutorial, you will learn how to write your first ULP in Eagle CAD to add a new capability to your CAD tool. User Language Program (ULP) is a set of extensions for Eagle CAD users to...

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Panelization – using GerberPanelizer on Windows (Linux possible)

Wednesday, May 31st, 2017

Arsenijs over at Hackaday.io writes: This tutorial was done on Windows. Authors claim it could also be used on Linux by using Mono, but I haven't tried and don't understand a lot about Mono to see what could be done. I am switching to Linux nowadays, so I'd be very grateful...

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MCUXpresso IDE tutorial series

Wednesday, May 17th, 2017

Erich Styger has made a series of tutorial blog posts on using the new NXP MCUXpresso IDE. Published so far are: MCUXpresso IDE: Unified Eclipse IDE for NXPs ARM Cortex-M Microcontrollers MCUXpresso IDE: S-Record, Intel Hex and Binary Files MCUXpresso IDE: Adding the Eclipse Marketplace Client MCUXpresso IDE: Importing Kinetis...

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Build your very own drink mixing robot

Tuesday, May 9th, 2017

https://youtu.be/V-PAW3KoB_A Yu Jiang Tham designed and built his own bartender robot named Bar Mixvah, that is available on Github: I built a robot that mixes drinks named Bar Mixvah.  It utilizes an Arduino microcontroller switching a series of pumps via transistors on the physical layer, and the MEAN stack (MongoDB, Express.js,...

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Posted in 3D Model, Arduino, DIY, tutorials | No Comments »

Pool playing robot

Monday, May 8th, 2017

BVarv  wrote an instructable detailing the build of his pool playing robot project with Arduino: I redesign the prototype with servos, belts and gears at the points of rotation to add programmable motion. While doing so, I stumble across an easy win. It turns out that the "parked under the table"...

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DIY polarity Led tweezers

Thursday, May 4th, 2017

Jesus Echavarria shared detailed instructions of how to make a simple tweezers for checking led polarity: I usually assemble by hand all the boards I make. I use SMD components, especially in 0805 format for resistors, capacitors and leds. With the last ones, I always have the same problem: I need...

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Fun with 1.1GHz Potato chips

Wednesday, May 3rd, 2017

https://youtu.be/8rRRvgjLjZU Afroman writes, "I built a ring oscillator using a 1.125GHz 74 series logic inverter IC from Potato Semiconductor. It was fun." Via Afrotechmods.

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Posted in tutorials | 1 Comment »

Siglent SSA3032X Spectrum Analyzer review & experiments

Tuesday, April 25th, 2017

https://www.youtube.com/watch?v=uA4SvTBCAXU Afroman did a review of the Siglent SSA3032X Spectrum. More details at Afrotechmods tutorial page.

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ESP32 web server – Arduino IDE

Tuesday, April 18th, 2017

Rui Santos from Random Nerd Tutorials has posted a detailed tutorial on how to create a standalone web server with an ESP32 that can toggle two LEDs using the Arduino IDE. Full details at Random Nerd Tutorials homepage. Check out the video after the break. (more…)

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Posted in Arduino, tutorials, wireless | 1 Comment »

MQTT with lwip and NXP FRDM-K64F Board

Friday, April 14th, 2017

Erich Styger from MCU on Eclipse writes, "In this article I show the basic steps to get MQTT running on the NXP FRDM-K64F board using MCUXpresso IDE, lwip and MQTT. lwip ois a small and open source TCP/IP stack which is widely used. To keep things very simple in this first...

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Posted in ARM, tutorials | No Comments »

Tutorial: Using Eclipse with NXP MCUXpresso SDK v2 and processor expert

Thursday, April 13th, 2017

Erich Styger from MCU on Eclipse writes: To me, software and tools are by far more important than the microcontroller. Because the silicon is a ‘one time kind of thing’, where the software has to be maintained and working over a longer time. And at least my software usually needs...

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Cheap plant watering sensor

Friday, February 17th, 2017

A detailed instructions of how to design a cheap plant watering sensor from LuckyResistor: I have a couple of plants in flowerpots and this plants not only like some light, they also need water from time to time. Watering this plants is something I often forget, with sad results. There are ready...

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Tiva and Stellaris Launchpad RTC usage in Energia

Thursday, February 16th, 2017

Vadim has posted a tutorial on how to use internal RTC of Stellaris and Tiva Launchpad boards in Energia IDE: For those of you who still have one of those old Stellaris Launchpads, I'm going to show how to utilize one of its most useful features - real time clock - in...

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How to make a simple 1 watt audio amplifier (LM386 based)

Friday, January 20th, 2017

A tutorial on making an LM386 audio amplifier circuit from Afrotechmods: A tutorial on how to use the popular LM386 class AB audio amplifier IC to build a simple mono 1 watt audio amplifier. It costs less than $3 in parts! There is also a brief discussion of how to...

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Recent Comments

  • KH: That's a good one, ha ha. Let's see whether ST Microelectronics takes action. I can understand how this can be done legally, ARM is not...
  • Ja: Where these GD chips can be found? Everywhere I look I have found only STM chips.
  • Max: Well, there's your problem. Or rather, the problem with Arduino in general: a) not using interrupts for anything that can't wait, and b) using delay()...
  • KH: yield() instead of proper interrupt-driven code? Ewwwwwww... somebody please teach these Arduino folks proper AVR microcontroller programming!
  • Henry: Hope I win one thanks