This is an extremely simple “Hello World” C++ code for the ATMega32 that you can follow using AVR Studio. You do not need any hardware such as the chip or even the ISP programmer cable because AVR Studio simulates the inputs and outputs, and you can see for yourself how the ports behave. This is […]
Using AVR Studio – My first C++ code Read More »
Introduction In 2002 I wrote a linuxfocus.org article about a Microcontroller based DC powersupply (LF November2002 article251) The article received a lot of interest as I noticed from emails which I received on this subject. The design of this powersupply was however something for advanced hobby electronic fans due to the complexity of the circuit.
A digital DC powersupply Read More »
Purpose of this article: 1) to learn how to connect the Micro controller in a simple circuit and how to power it 2) to see how to create a simple programmer (a device to connect the micro controller to a PC for uploading software) 3) to present a simple software program in C that controls
First steps with micro controllers (ATMega8) Read More »
What this is A voltmeter built from an ATmega8, a 16×2 character LCD and a handful of resistors. The microcontroller’s analog-to-digital converter measures the input, the firmware converts the reading to millivolts, and the LCD shows it. There is no dedicated meter chip and no external ADC: the whole instrument is the AVR’s 10-bit converter
The simplest digital voltmeter with AVR Read More »
Recapitulation One thing I didn’t find clearly over the internet is how to make an Arduino Pro Mini bare bones, that is, from the scratch, and how to make one on the breadboard. This is really useful if you want to make a custom pcb/smd circuit, because you will be able to test your hardware
How to make an Arduino Pro Mini bare bones with Real-time Clock Read More »
Tired of putting LEDs every time you want to check some value in the microcontroller? Well, its time to build yourself a debugger. A debugger is a device which helps you run through your code in the microcontroller step by step and also gives you the ability to read or write the registers directly using
Make your own AVR JTAG debugger Read More »
Most of you must have watched quiz games in TV shows or at your schools where few contestants are required to press a switch if they know the answer to the question. An electronic system is required to find out exactly which one of then pressed the button first. This type of electronic system can
Fastest Finger First Quiz Project using ATmega16 Read More »
LED signage has become the choice in modern days to convey message to visitors of a venue. Be it corporate office, shops, restaurants or any kind of social functions like marriages. Some big and complicated display needs dedicated control PCs and designers to build contents for them. But for simple requirements a very low cost
Making a LED Message Display with Keyboard Interface Read More »
Room temperature display on big screen is a common requirement from industrial sector. Used in server rooms, PLC rooms, storage rooms and many other places in an industrial units. Traditionally seven segment displays of big size (say four inch height) were used. But now a days DMD (dot matrix display) have become so cheap and easily available
LED Dot Matrix Room Temperature Display using P10 and ATmega8 Read More »
Making LED displays and signage is a complete industry in itself serving all sorts of clients like banks, railway stations, factories, airport and more. In earlier days display units were made using individual LEDs carefully placed and soldered to make matrix of display. But this task was very mundane and slight misplacement of LED gave
P10 LED Display Panel Interface with AVR ATmega8 Read More »
