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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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An IOT Swing
Posted inElectronics

An IOT Swing

Posted by By Radu Motisan June 25, 2017
The new generations benefit of an advance over their predecessors. This is a simple equation…
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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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Featured by Atmel
Posted inElectronics Hardware

Featured by Atmel

Posted by By Radu Motisan November 7, 2015
Trained as a software developer I've been active in the field doing mostly mobile apps…
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Post Beta hardware iteration
Posted inElectronics Hardware

Post Beta hardware iteration

Posted by By Radu Motisan August 23, 2015
For the Portable Environmental Monitor beta release, both the project summary and the system design…
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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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The first prototype
Posted inElectronics Hardware Nuclear

The first prototype

Posted by By Radu Motisan August 7, 2015
It's been a crazy run, trying to make this happen. After less then one month…
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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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MiCS-VZ-89 Air Quality Sensor
Posted inElectronics Hardware

MiCS-VZ-89 Air Quality Sensor

Posted by By Radu Motisan July 31, 2015
The MiCS-VZ-89 Air Quality Sensor can detect carbon dioxide and volatile organic compounds. This article shows how to access its readings via I2C.
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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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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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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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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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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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Atmega8 and Nokia 5110 LCD
Posted inElectronics Hardware

Atmega8 and Nokia 5110 LCD

Posted by By Radu Motisan April 8, 2013
A C++ Library for AVR microcontrollers that allows easy connectivity to the Nokia 3110/5110 graphical LCDs.
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Dual H-Bridge for controlling two motors
Posted inElectronics Hardware Robotics

Dual H-Bridge for controlling two motors

Posted by By Radu Motisan March 27, 2013
Build a dual H-bridge board to control two motors.
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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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ATMega128 and HD44780 LCD using 3 Wires with the 74HC164
Posted inElectronics Hardware Robotics

ATMega128 and HD44780 LCD using 3 Wires with the 74HC164

Posted by By Radu Motisan February 21, 2013
Learn how to transform your HD44780 LCD into a easy to use, serial LCD, that you can connect to your microcontroller using only 3 wires! It's time to save a few pins, and expand your project's functionality!
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Building a robot – Make the robot follow you
Posted inElectronics Hardware Robotics

Building a robot – Make the robot follow you

Posted by By Radu Motisan February 7, 2013
Building an autonomous robot using a rover platform and advanced electronics is not an easy job. Kevin asked me to build a robot that would follow its user. A companion, very much like a robo-dog. See the project log here.
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DIY/Homemade Radiation Geiger Dosimeter
Posted inElectronics Hardware Nuclear

DIY/Homemade Radiation Geiger Dosimeter

Posted by By Radu Motisan December 1, 2012
A digital dosimeter design that can be used with multiple geiger tubes, constructed around the atmega8 microcontroller and a 2x16 LCD. Equipped with a radio Bluetooth module for remote operation.
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BMP085 Barometric pressure sensor
Posted inElectronics Hardware

BMP085 Barometric pressure sensor

Posted by By Radu Motisan November 11, 2012
The BMP085 is a compact, low power sensor for reading temperature, barometric pressure and altitude. See it in use with Atmel microprocessors.
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Temperature and Humidity sensor DHT-22
Posted inElectronics Hardware

Temperature and Humidity sensor DHT-22

Posted by By Radu Motisan November 9, 2012
DHT-22 is a small size, compact, dual temperature and humidity sensor featuring one-wire connectivity.
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HC-SR04 Sonar with Atmega8 microcontroller
Posted inElectronics Hardware

HC-SR04 Sonar with Atmega8 microcontroller

Posted by By Radu Motisan November 4, 2012
Build an ultrasonic sonar for non-contact distance measurements, using an Atmega8 and a HC-SR04
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uRADMonitor – Online Radiation monitoring station
Posted inElectronics Hardware Nuclear Research

uRADMonitor – Online Radiation monitoring station

Posted by By Radu Motisan October 21, 2012
I've developed the uRADMonitor as an Environmental Radiation Surveillance automated monitoring device. Data is gathered in real time, 24/7, and is exported via the Internet to a database online. The data is available in customizable charts for analysis.
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Temperature Sensors DS18B20 and DHT11 with Atmega8
Posted inElectronics Hardware

Temperature Sensors DS18B20 and DHT11 with Atmega8

Posted by By Radu Motisan October 7, 2012
Use the Atmega8 with two temperature sensors: the DS18B20 and the DHT-11. The latter also offers relative humidity data.
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Atmega8 and enc28J60 for ethernet support
Posted inElectronics Hardware

Atmega8 and enc28J60 for ethernet support

Posted by By Radu Motisan July 30, 2012
Learn how to create a network interface for your microcontroller projects. Here I have shown an example using the Atmega8 and the enc28j60 . Build a simple Webserver to show sensor data such as temperature or humidity.
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Capacitor Discharge Microspot Welder / Cutter
Posted inElectronics Hardware

Capacitor Discharge Microspot Welder / Cutter

Posted by By Radu Motisan July 15, 2012
A DIY microspot soldering/welding/cutting device using energy stored in a very large capacitor delivered as precisely calculated pulses to working electrodes.
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