Circuit Lake » Project

Mini Flight Telemetry Transmitter

admin — Thu, 29 Jul 2010 23:18:40 +0000

Morse Beacon is small transmitter that can send flight telemetry to earth from a small balloon or model plane like temperature and battery voltage, Call Sign identification and a sequence number for logging purposes. The design is made around an ATtiny13 microcontroller, a LM35 centigrade temperature sensor (or LM34 Fahrenheit), a RF module, and [...]

AVR Based Compact Email Client

admin — Wed, 28 Jul 2010 00:26:01 +0000

This ATmega32-based compact mail client project is easy-to-use and provides all the basic functionality you need to communicate via electronic mail. The project named as MiniEmail has a special stand-by mode in which it checks for new mail on a regular basis and alerts you in case new mail has arrived. Its intention is [...]

AVR Barometric Altimeter

admin — Sat, 17 Jul 2010 01:30:38 +0000

The project is a plug-in daughterboard that converts a stock AVR Butterfly demo board into a barometric altimeter with one-meter resolution named Monarch. The major enhancements from ATmega169-based system including barometric sensing of air pressure, 10–110 mbar absolute range; Barometric altimeter, 1 meter resolution, >16K meters max; Digital temperature sensing; R/C (radio control) servo [...]

3D Color LED Graphics Display

admin — Wed, 14 Jul 2010 22:46:49 +0000

This 3-dimensional graphics display system which named as MaJaTron consists of 125 RGB LEDs arranged in a cube of 5×5x5 dimension. Each LED is a multicolor Red, Green and Blue LED and the control circuit of the system can individually control the intensity of each color, thereby, creating a full color, graphics system. Each LED [...]

AVR Based Operating System

admin — Tue, 13 Jul 2010 03:41:59 +0000

kaOS project is real-time, multithreaded, preemptive operating system for the Atmel Mega32 microcontroller. It can loads and executes programs from a Secure Digital or MMC card. The system waits for a card to be inserted and a reset button to be pressed, at which point a program is loaded from the card and executed. At [...]

Modular User Interface System

admin — Sun, 11 Jul 2010 01:29:51 +0000

The IOSTRING is a modular physical user interface system which consists of a series of three basic board modules designed around the Atmel AVR AtMega88 MCU. Each module type can handle switches, pushbuttons, rotary selector switches, rotary shaft encoders, potentiometers, LED’s, LCD displays, and an alphanumeric LED display. Dual footprints are provided on each board [...]

Wireless Internet Radio Receiver

admin — Thu, 08 Jul 2010 22:17:49 +0000

This stand-alone internet wireless music player, named as Wireless MP3 (WMP3), uses Atmel AVR AT90CAN128 microcontroller as main ‘brain’. The device can play music from internet radio stations like Shoutcast (www.shoutcast.com), connect to shared network drives and play mp3 files. Ubiquitous 802.11b wireless link is used to connect to the internet. “WMP3 uses HTTP protocol to [...]