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Simple AVR Bootloader tutorial
Posted inElectronics

Simple AVR Bootloader tutorial

Posted by By Radu Motisan July 21, 2018
I've used AVR microcontrollers both for hobbies and work projects. These versatile microcontrollers ran the…
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DIY AVR Development Board with Atmega128
Posted inElectronics Hardware

DIY AVR Development Board with Atmega128

Posted by By Radu Motisan February 7, 2015
Eagle diagrams and instructions for building a DIY Development board featuring the powerful Atmega128 microcontroller
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The AVR Watchdog
Posted inHardware

The AVR Watchdog

Posted by By Radu Motisan January 15, 2015
The AVR Watchdog is an essential mechanism to protect long term run applications from code freezes affecting their functionality.
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Using a Rain sensor with AVR Microcontrollers
Posted inElectronics Hardware

Using a Rain sensor with AVR Microcontrollers

Posted by By Radu Motisan October 30, 2013
A simple rain sensor connected to an ATMega8, provides readings on the level of water detected on its surface.
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AVR SDCard FAT support with FatFS
Posted inElectronics Hardware

AVR SDCard FAT support with FatFS

Posted by By Radu Motisan August 2, 2013
You've probably seen or done lots of cool microcontroller projects already, but did you ever…
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Using FS1000A/XY-FST RF Radio module with AVRs
Posted inElectronics Hardware

Using FS1000A/XY-FST RF Radio module with AVRs

Posted by By Radu Motisan July 31, 2013
Wireless data transfer can be useful for a variety of projects. I stumbled upon a…
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How to set the AVR Fusebits
Posted inElectronics Hardware

How to set the AVR Fusebits

Posted by By Radu Motisan March 11, 2013
Learn how to set your atmega to work with various external crystals, program the fusebits, and build a fusebit doctor to revive your AVRs, in case you wrote the wrong settings .
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NMEA GPS Library for AVR Microcontrollers
Posted inElectronics Hardware

NMEA GPS Library for AVR Microcontrollers

Posted by By Radu Motisan February 25, 2013
An open source library that allows you to use a NMEA GPS Module with an AVR Microcontroller. UART Communication and NMEA Parser is included.
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USBAsp –  AVR USB Programmer
Posted inElectronics Hardware

USBAsp – AVR USB Programmer

Posted by By Radu Motisan May 2, 2012
A good source for cheap AVR USB Programmers. USBasp modules.
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AVR Studio 5 snprintf / vsnprintf problem with Floats
Posted inElectronics Hardware Software

AVR Studio 5 snprintf / vsnprintf problem with Floats

Posted by By Radu Motisan February 8, 2012
How to fix the problem with Float variables in AVR Studio
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AVR Studio 5 C++ Support
Posted inElectronics Hardware

AVR Studio 5 C++ Support

Posted by By Radu Motisan January 20, 2012
Build C++ projects with AVR Studio 5
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Decoding Renke Weather station data
Posted inElectronics Hardware

Decoding Renke Weather station data

Posted by By Radu Motisan May 31, 2025
The Renke RS-FSXCS-N01-*-EX weather station is a compact, all-in-one environmental monitoring solution capable of measuring key atmospheric…
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NMEA GPS Library for Microcontrollers -2-
Posted inElectronics

NMEA GPS Library for Microcontrollers -2-

Posted by By Radu Motisan July 7, 2020
A few years back I wrote a NMEA parser library that would run on AVR…
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Microcontroller Programming Issues
Posted inElectronics Hardware

Microcontroller Programming Issues

Posted by By Radu Motisan February 11, 2017
Bugs in software are bad, bugs in hardware are even worse, but inconsistent results are…
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Introduction to CC2541
Posted inElectronics Hardware

Introduction to CC2541

Posted by By Radu Motisan October 3, 2016
Exploring the versatile AVR microcontrollers or the powerful STM32 counterparts were amazing experiences which resulted…
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DIY Geiger Counter Kit 1.1
Posted inElectronics Hardware Nuclear

DIY Geiger Counter Kit 1.1

Posted by By Radu Motisan October 4, 2015
This is an Open Source Digital Radiation Dosimeter, that can be used both as a…
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Portable Environmental Monitor
Posted inElectronics Hardware

Portable Environmental Monitor

Posted by By Radu Motisan August 12, 2015
The portable environmental monitor addresses pollution, the kind that we are unable to see but…
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Resistive touchscreen
Posted inElectronics Hardware

Resistive touchscreen

Posted by By Radu Motisan August 6, 2015
A complicated project July was a tough month, and August is no different. Due to…
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Sharp GP2Y1010 dust sensor
Posted inElectronics Hardware

Sharp GP2Y1010 dust sensor

Posted by By Radu Motisan July 31, 2015
The Sharp GP2Y10 dust sensor can detect dust in air using the reflected infrared light, including very fine smoke particles. See how to use it with a microcontroller.
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ESP8266 Troubleshooting
Posted inElectronics Hardware

ESP8266 Troubleshooting

Posted by By Radu Motisan July 29, 2015
I got a few esp8266 modules back in 2014, shortly after they've been announced on…
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ILI9341 touchscreen LCD Library
Posted inElectronics Hardware

ILI9341 touchscreen LCD Library

Posted by By Radu Motisan July 23, 2015
I got a few QVGA LCD's with resistive touchscreen for an ongoing project. All that…
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Introduction to STM32 microcontrollers
Posted inElectronics Hardware

Introduction to STM32 microcontrollers

Posted by By Radu Motisan July 14, 2015
Introduction to STM32 microcontrollers shows how to setup the ide and toolchain to edit and compile STM32 apps on a MacOS workstation.
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DIY Dosimeter Geiger Counter KIT1.0
Posted inElectronics Hardware Nuclear Software

DIY Dosimeter Geiger Counter KIT1.0

Posted by By Radu Motisan March 8, 2015
Note: there is a newer version of this project, KIT1.1, see it here If I…
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ILI9163 LCD Library
Posted inElectronics Hardware

ILI9163 LCD Library

Posted by By Radu Motisan February 14, 2015
An open source code library for the ILI9163 LCD. Circuit diagram for connecting it to an ATmega128 and demo video are included.
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Atmega128 Voodoo
Posted inElectronics Hardware

Atmega128 Voodoo

Posted by By Radu Motisan February 9, 2015
Apparently I had no better inspiration on how to name this post. It all started…
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Single Chip Computer
Posted inElectronics Hardware

Single Chip Computer

Posted by By Radu Motisan October 17, 2014
Learn how to create a single chip computer running BASIC.
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The MQ-9B Combustible gas sensor
Posted inElectronics Hardware

The MQ-9B Combustible gas sensor

Posted by By Radu Motisan October 30, 2013
A quick test with the combustible gas sensor, MQ-9B and an atmega8 microcontroller.
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UT50 NaI Scintillation probe
Posted inElectronics Hardware High Voltage Nuclear

UT50 NaI Scintillation probe

Posted by By Radu Motisan August 7, 2013
I met some great people today, and I also got a wonderful device for my…
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Global radiation monitoring network
Posted inElectronics Hardware Nuclear Software

Global radiation monitoring network

Posted by By Radu Motisan July 11, 2013
EDIT: there is a dedicated blog on this project, here. Make sure to follow it…
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Coil Winding machine counter with Atmega8 and Reed relay
Posted inElectronics Hardware

Coil Winding machine counter with Atmega8 and Reed relay

Posted by By Radu Motisan May 25, 2013
A digital counter with a nice LCD display that supports both incrementing and decrementing. Good for various purposes, in this case as a display to a coil winding machine.
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