AVR based mini Projects

Remote Controlled (R/C) Airplane LED Flasher using ATTINY12 microcontroller Downloads Download the AVRStudio assembly source for the program: T12astrobe081028A Download the AVRStudio assembly source for the include file: T12astrobe081028A.hex Find updates at www.projects.cappels.org Overview This was designed to flash…

1 Watt White LED Power Supply Circuit for battery operation Download FreePC project file, gerber and png copper and silk-screen: 1wattledbuck.zip Introduction I have some 1 watt warm white LEDs left over from a project and the application for them was…

White LED Drive Circuit using Tiny microcontroller Be Careful About Peak Current A note of caution: These LEDs are comparatively expensive, so I suggest putting a small resistor (1 to 10 Ohms) in series with the cathode…

Minimum Mass Waveform Capture and Display using AT90S2313 microcontroller A 128 x 64 graphic LCD is in the clear plastic box at the top. It is connected to the waveform capture and control unit in the green pencil box…

Broadband RF Field Strength Probe using Atmel AT90S1200A AVR controller Download auto-zero assembly code This broadband probe has a small antenna (about a 15 cm length of insulated wire). Radio Frequency energy coupled to the antenna is detected and made…

A Field Strength Meter Using A Biased Schottky Detector using microcontroller Downloads Download the Download FreePC files in and the detector board layout png file in zipped forma: schottkydedtector080309 Find updates at www.projects.cappels.org Starting to do a little work at 330…

HF AC Millivoltmeter Adapter using microcontroller Encased in a pencil box to keep the point-to-point wiring on the back of the board from shorting to wires and things on the workbench, the plastic case also holds…

Battery Checker Circuits using microcontroller The "Battery Good" checker. When the button is pressed, the green LED will glow if the battery voltage is above the preset threshold. This version has a higher parts count…

MAX038-Based Sweep/Function Generator With Markers using AVR ATtiny2313 microcontroller Take Maxim's MAX038 function generator chip, add some frills, and you have a pretty nice tool for the bench. Downloads: Main Circuit Schematic Power Supply Schematic You can build this…

A Pretty Good LC Meter Based on the AVR using ATTINY2313 Microcontroller Calculates and displays L and C from oscillation frequency using reference components. No relays, no range switching, a minimum of controls. And it is pretty accurate too! Note: After reading…

An Even Better LC Meter Based on the AVR ATTINY861 An improvement over "A Pretty Good LC Meter."  Enhanced capacitance self calibration, accurate operation without precision components, and only one micro controller. Downloads Download or view the WINAVR main source…

Wireless Coupler Terminal Interface using AVR microcontroller This is a Minimum Mass Wireless Coupler that connects a terminal, or PC running terminal software, to other Minimum Masss Wireless devices by means of a 1200 baud data channel…

RF Field Strength meter using AVR microcontroller The hot melt glue that covers the circuit serves multiple purposes: It helps to keep the temperature even among the three transistors (to minimize thermal drift), it protects the components…

Digital Telemetry using ATMega8 microcontroller The ATmega8 microcontroller-based Low-Cost Telemetry Device (LTD) is an efficient telemetry keyer. The LTD measures the voltage levels of up to four analog channels via its on-chip 10-bit ADC, converts…

Analog Multiplexer using AVR microcontroller This technique uses digital  I/O pins to multiplex analog voltages into an analog input on the microcontroller. The method is most suitable for signals that do not need to be…

PWM Waveform Capture using AVR microcontroller Described are the waveform capture method, example firmware and hardware designs. This material formed the basis of an article that was first published in the October, 2003 issue of Circuit Cellar…

Morse Code Alarm Clock using ATtiny2313 microcontroller Morse Code Alarm Clock Modification (Almost) Trivial application of an AT90S2313 or ATtiny2313 in an alarm clock to change the alarm from "BEEP BEEP BEEP BEEP BEEP BEEP BEEP BEEP..."…

8 Channel PWM using AVR microcontroller The assembly code given here was written to see what it would take to make an AT90S1200 generate 8 channels of proper PWM. In this case, by proper, I mean…

AVR Programmer with ATMega8-16 About AVR Programmer   This simple AVR Programmer will allow you to painlessly transfer hex programs to most ATMEL AVR microcontrollers without sacrificing your budget and time. It is more…

Atmel Avr Project Circuit Archive 360 MB using ATmega8 microcontroller I collected a lot of site in the internet for various atmel avr projects will not work with the idea of a day's archive is a grown up pretty. Atmel will…

Frequency counter using AVR microcontroller Universal Counter The frequency counter is the most popular instrument in the home maid instruments. I think that the reason why it is built widely is: it can be built…

Atmel atmega projects l35 heat time display keypad using ATMega microcontroller Atmel ATMEGA series of three projects are made with micro-controllers delivering projects bahramelectronic.ir Thank you brother Bahram's administrator. 1 - ATMEGA16 LCD display temperature measurement (LM35) 2 - ATmega8 application of the keypad display with 7…

Heart of LEDs using microcontroller One of the requests we received after publication of the Christmas Star was "can you do different shapes?" Well, with Mother’s Day coming up soon, we thought a heart would…

VGA Monitor adaptor using AVR microcontroller Background of the project. Several months ago I tried to connect a microcontroller system to a VGA monitor to output data in the form of text. I was surprised to…

AVR Compiler toolchain for MAC using ATmega8 microcontroller The following instructions are from early 2007 and are pretty outdated by now. They are still here for reference, but they are not maintained anymore and very likely won't work…