Serial Digital to Analog converter (serial DAC)
Introduction We're used to Analog to Digital converters (ADC) in a variety of applications such as voltmeters, thermometers or various other sensors. Their purpose is translating a given signal to…
Atmega8 UDP Client
As a follow-up to Radu's Atmega8 and enc28J60 for ethernet support article, I used the libraries to implement an ATmega8 UDP client using ENC28J60 that broadcasts a simple “Hello World”…
The MQ-9B Combustible gas sensor
A quick test with the combustible gas sensor, MQ-9B and an atmega8 microcontroller.
Using a Rain sensor with AVR Microcontrollers
A simple rain sensor connected to an ATMega8, provides readings on the level of water detected on its surface.
UT50 NaI Scintillation probe
I met some great people today, and I also got a wonderful device for my ongoing experiments as a gift: The UT50 Scintillation probe, manufactured by SC ICPM SA Romania.…
Using FS1000A/XY-FST RF Radio module with AVRs
Wireless data transfer can be useful for a variety of projects. I stumbled upon a very low cost emitter+receiver modules pair, and planned to use it for some time now.…
Coil Winding machine counter with Atmega8 and Reed relay
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.
Atmega8 and Nokia 5110 LCD
A C++ Library for AVR microcontrollers that allows easy connectivity to the Nokia 3110/5110 graphical LCDs.
How to set the AVR Fusebits
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 .
NMEA GPS Library for AVR Microcontrollers
An open source library that allows you to use a NMEA GPS Module with an AVR Microcontroller. UART Communication and NMEA Parser is included.
ATMega128 and HD44780 LCD using 3 Wires with the 74HC164
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!
DIY/Homemade Radiation Geiger Dosimeter
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.
BMP085 Barometric pressure sensor
The BMP085 is a compact, low power sensor for reading temperature, barometric pressure and altitude. See it in use with Atmel microprocessors.
Temperature and Humidity sensor DHT-22
DHT-22 is a small size, compact, dual temperature and humidity sensor featuring one-wire connectivity.
HC-SR04 Sonar with Atmega8 microcontroller
Build an ultrasonic sonar for non-contact distance measurements, using an Atmega8 and a HC-SR04
Temperature Sensors DS18B20 and DHT11 with Atmega8
Use the Atmega8 with two temperature sensors: the DS18B20 and the DHT-11. The latter also offers relative humidity data.
Atmega8 and enc28J60 for ethernet support
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.
AVR Studio 5 C++ Support
Build C++ projects with AVR Studio 5
Multitester using ATMega8 and HD44780 LCD
An Atmega8 multimeter that can measure Transistors: Bipolar/Mosfet , Diodes and Double Diodes , Resistors, Capacitors: between 0.2nF to 7300μF, Triacs and Thyristors.
NaI Scintillation Probe and Gamma Spectroscopy
A scintillation probe enclosing the regulated high voltage supply, the signal amplifier, the photomultiplier and the scintillation crystal (NaI). Building a DIY counter for a NaI Scintillation probe. AtMega8 and a bluetooth module for wireless data output. A cheap and easy to build homemade dosimeter with applications in spectroscopy.
ATMega8 LCD Game
Create a simple game board and write a little software game for your ATMega8 LCD board.
First Atmega8 bot – (Arduino board)
An article about a differential Arduino robot by Rodrigo Nascimento Hernandez
ATmega8 and Hall Sensor A1302
Atmega8 and an A1302 Hall Sensor for sensing the magnetic fields in close proximity.
Perseus 3 Advanced Robot (using Windows Mobile)
Perseus 3, a 4x4 advanced robot featuring an Atmega8 for sensor interfacing and motor control, and a I-mate SP5 smartphone (200MHz) running Windows Mobile 6.0 as robot's brain. Small weight, powerful trust, and lots of features including WLAN, Bluetooth, Camera, Speaker, Phone-interface (GPRS, 3G), Microphone (for voice commands) and more.
ARA – differential robot platform
A new differential robot platform, with strong gear motors and low power consumption.
Atmega8 with Bluetooth radio module
Add Bluetooth functionality to your microcontroller project (atmega8).
Robo Evolution – how to build a better robot
A not-so-short article on various robot platforms I've experimented with. See my latest designs, and learn about my findings on robotics.
A simple H-Bridge design
How to build a microcontroller to control a motor in both ways.
ATMega8 and DS18B20 (digital temperature sensor)
How to use a digital temperature sensor (DS18B20) with a microcontroller (ATMega 8). Source code included.
ATmega8 and 2×16 HD44780 LCD
A tutorial including source code on how to use a 2x16 LCD (HD44780) with the ATMega8 micro controller. LCD Interface as C++ Class.