Here is my project on interfacing of SD Card (microSD). microSD cards are available very cheap nowadays, a great option for having a huge memory in any embedded system project. It is compatible with SPI bus, so the interfacing is easy. SD card adapters are also easily available in market, one can easily make a bread-board adapter by soldering […]
SD/SDHC Card Interfacing with ATmega8 /32 (FAT32 implementation) Read More »
Here is my home-made kit of ATmega32 microcontroller interfacing. The ATmega32 controller is rich with features like onboard 32kB in-System programmable flash, 1 KB EEPROM, 2KB SRAM, 10bit ADC (8 channel), SPI bus inteface, TWI (compatible with I2C bus) interface, an USART, analog comparator, etc. That’s why I’ve selected it to load my kit with all those features. This M32 card is having an LCD inteface with contrast
Make-Yourself ATmega32 Starter’s Kit with LCD, I2C, SPI, RTC, ADC interfaces Read More »
This is a business card that will type out some text when you plug it into a USB port. It uses a ATtiny85 microcontroller with V-USB based code to emulate a keyboard. The typing is triggered by the CAPS LOCK status LEDs being toggled 3 times. This instructable will focus on using CadSoft EAGLE to create your
USB PCB Business Card Using ATtiny85 Microcontroller Read More »
Description This board is a small controller board on which you can build your projects. It is suited for educational use, experiments or prototyping. The board uses the AT2313 microcontroller with a 10Mhz crystal. The board contains the ISP 10-pin connector for in circuit serial programming. It has also a push button reset switch for resetting the microcontroller.
ATTiny2313 Board RS232 Read More »
Description This is a peripheral board with 4 relais, rated at 5A/250V each. The board has a ML10 output connector for connection with the AT2313 Project board. It has also 4 LED’s for indication which relais is switched on. Hardware The circuit is simple, it consists of no more then an ML10 connector, a ULN2803A, which contains eight
Relais Board Using AT2313 Using Atmega Read More »
Hack a wireless home automation system to be USB controlled using two AVR microcontrollers! Check out the video! The system is really more responsive, but the browser on my phone is slow. Skills ans tools There are two ways of hacking an RF remote to be controlled by a computer or a microcontroller. The lame
USB controlled home automation hack using Microcontroller ATmega8 Read More »
This instructable walks you through programming and using the Boston Android Xmega evaluation board to work as a simple arbitrary waveform generator taking advantage of the integrated 12bit DAC and high speed DMA controller. I have provided precompiled firmware as well as source code which can be loaded onto the device and configured via a USB port
Atmel Xmega USB/Serial Arbitrary Waveform Generator Read More »
Building a stand-alone AVR ATMEGA project sometimes leaves you with no easy to read output from your project. But you can use an Arduino to act as a communications bridge between your embedded project and your PC’s Serial Monitor program! I’m building an embedded multi-channel thermocouple reader/datalogger, which has a lot of connections and soldering, thus many
Using Arduino to communicate with embedded project using AVR ATMEGA microcontroller Read More »
The reason i mainly built this project was to program the ATTiny45, which has a 8 pin connection, while my USBtinyISP (from Ladyada) only has a 10 pin and 6 pin connection. After snooping around the internet for about 3-4 weeks i found nothing what i really found was that i needed more stuff, so the cheap indian
ISP 6 pin to 8 Pin Socket Using ATTiny45 Read More »
This instructable will show you how to interface a 16-key keypad to your AVR microcontroller and read the key when a key is pressed. I’ll introduce the keypad first, then the 74HC922 16-key decoder IC as a pin-saving mechanism, then finally how to take the data and massage it so that you get the correct number for
16-key Keypad Decoding with an AVR MCU using Atmega Read More »
