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Archive for the ‘tutorials’ Category

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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Posted in ARM, tutorials | No Comments »

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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ChipKIT based weather station using BME280 sensor module

Thursday, November 10th, 2016

A comprehensive tutorial on making a chipKIT based weather station using BME280 sensor module from Embedded Lab: BME280 is a fully integrated environmental unit from Bosch that combines sensors for pressure, humidity, and temperature in a tiny 8-pin metal-lid LGA package of size 2.5 x 2.5 x 0.93 mm³. Because...

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Guide for BMP180 barometric sensor with Arduino

Thursday, October 20th, 2016

A how-to on using the BMP180 barometric sensor with the Arduino from Random Nerd Tutorials: The BMP180 barometric sensor (model GY-68) is the one in the following figure (front and back view). It is a very small module with 1mm x 1.1mm (0.039in x 0.043in). It measures the absolute pressure of...

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Posted in Arduino, tutorials | 1 Comment »

Tutorial: RFID tags with the NXP NFC controller PN7120 and Eclipse

Monday, October 10th, 2016

Erich Styger writes: Playing with RFID and NFC is definitely fun🙂, and they are everywhere! For a research project I’m exploring different RFID tags and solutions. I several types around for a long time, but never found the time to actually work on it, so last nightI thought I give...

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Posted in ARM, tutorials | No Comments »

Tutorial: DHT22 sensor with a PICmicro

Thursday, September 29th, 2016

Gianni Bernardo has published a tutorial for usage of DHT22 sensor with a PICmicro (machine translation). Tutorial about DHT22 / AM2302 Digital Humidity and Temperature sensor usage on picmicro, using XC Compiler. Code is for a PIC12F1822, data from sensor are formatted and sent on UART @9600baud Source code is available...

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Video: Talk MIDI with the Bus Pirate on Talk Like a Pirate Day

Tuesday, September 20th, 2016

[embed]http://www.youtube.com/watch?v=ICzDtjcUjbs[/embed] Here's a video tutorial on how to set up the Bus Prate for the MIDI protocol from Bent-Tronics: Until now there hasn't been much on the interwebs on how to set up the Dangerous Prototypes Bus Pirate for decoding MIDI data. Here's my contribution, which happens to be on International...

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Posted in Bus Pirate, tutorials | No Comments »

Capcom CPS2 security programming guide

Friday, September 16th, 2016

Eduardo Cruz from Arcade Hacker  writes: Dear all, after a few months of testing we are extremely happy to release the new clean desuicide / security programing method for Capcom's CPS2 hardware. This guide is the result of almost two years of work by an small group of arcade enthusiasts...

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Posted in tutorials | 1 Comment »

Pi Zero POV

Saturday, July 2nd, 2016

Francesco over at Garage Tech posted a detailed how-to on building a Raspberry Pi Zero POV setup to display text from a file using an LED: The most important part of getting the Pi Zero POV to run smoothly is given by how do you fix the payload of this...

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Posted in R-Pi, tutorials | No Comments »

Make the world’s cheapest MIDI tester

Monday, June 27th, 2016

Jesse from Bent-Tronics has posted a tutorial on how to make a DIY MIDI tester: A quick and dirty (and cheap) MIDI tester.  Sometimes you just need to know if a MIDI controller is outputting anything. Even many high-end MIDI modules/boxes will have a "MIDI Activity" light, just to let you know...

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Posted in DIY, tutorials | 1 Comment »

Arduvision II: OV7670 + FIFO module and arduino Mega

Tuesday, June 21st, 2016

David has posted a tutorial on how to use an Arduino Mega to interface the ov7670 sensor. More details at TheRandomLab. Check out the video after the break. (more…)

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Posted in Arduino, tutorials | No Comments »

How to build a control circuit with adjustable working time via wi-fi

Friday, June 17th, 2016

Yahya Tawil over at All About Circuits posted a detailed how-to on building a control circuit with adjustable working time via Wi-Fi: In this article, you'll learn how to build a system that can turn DC loads on and off using a mobile application. You'll also learn how to perform this task...

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Posted in Android, tutorials, wireless | No Comments »

ESP8266 RGB color picker

Monday, June 13th, 2016

Rui Santos has released a new project called 'ESP8266 RGB Color Picker'. He writes: In this project, you’re going to build a web server with an ESP8266 to remotely control an RGB LED. This project is called ESP8266 RGB Color Picker. Full details at Random Nerd Tutorials site. Check the video...

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Neoway M590 GPRS tutorial: sending and receiving files from/to SD card

Friday, June 10th, 2016

Neoway M590 GPRS tutorial on sending and receiving files from/to SD card from Vadim Panov: Here's a bit of useful info from what I've been doing lately. I got a job to design a device that connects to a web-server via GPRS and downloads a bunch of tiny WAV files,...

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Posted in tutorials | 6 Comments »

Chrome Apps and serial port communication

Wednesday, June 8th, 2016

Luca Dentella writes, "When it comes to develop a GUI for your project, you may need to be sure it will be available for users under Windows, Linux and MacOS. Chrome Apps may be the solution: they are developed using the same technologies behind any websites (HTML5, CSS, javascript) but,...

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Getting started with OPENOCD using FT2232H adapter for SWD debugging

Friday, May 20th, 2016

Yahya Tawil wrote a tutorial about flashing EFM32 MCUs with OpenOCD using FT2232H adapter: Learn how to make flashing your ARM-based MCU easy by using OpenOCD debugger with an FT2232H adapter. Old MCUs from vendors like ATMEL and MICROCHIP, like the PIC16F and Atmega family, tend to have a special...

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