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This Arduino-based wireless thermometer uses two Arduino boards to measure indoor and outdoor temperatures. The outdoor Arduino board sends out the outdoor temperature measured by DS18B20 sensor to the indoor Arduino board using inexpensive 433MHz RF transmitter and receiver modules. The indoor Arduino board then displays the indoor and outdoor temperatures on a character LCD display.
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BrickPi Bookreader 2 is a new version of BrickPi Bookreader and is capable to read aloud a real book and also to turn the pages of the book. The page turning mechanism is accomplished two EV3 motors, and a LEGO wheel. The Raspberry Pi takes a picture of each page and converts it to text and then speaks it aloud through speakers. When the page is done, it is flipped over to continue to a new page.
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Designed by Nick, a BSEE student at Oakland University, ChronosMega is an Atmega328-based wrist watch that is battery-powered (3.7V rechargeable Li-Ion) and displays time (hours and minutes) in binary format using 10 LEDs. The LEDs are arranged in a special circular pattern, where the four LEDs in upper half circle displays hours and the remaining six LEDs in the lower half circle display minute. The watch also contains an USB charger onboard, which uses Microchip’s MCP73831 charge management controller IC. There are four tact switches for user interface that controls the time setting, display, and sleep mode operation. Time keeping is
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In this project, we will use the chipKIT Uno32 board to build a digital stopwatch capable of timing minutes, seconds, and 1/10th of seconds, and with a basic start and stop control feature. A MAX7219-driven 8-digit seven segment LED display is used to display the time elapsed. The Reset switch on the Uno32 board will be used to reset the current time back to 0 when the stopwatch is stopped.
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This project, named IViny, is about an easy-to-build USB based data acquisition device using ATtiny85 MCU that communicates to a PC using V-USB. It is capable of logging data to the computer at 150 samples/sec. It features: 2 channels 0 – 5V and 0 – 3V digital input/output 2 channels 0 – 5V 10 bit analog input Channel maximum current 20 mA ATTiny85 based USB supply, no need external supply V-USB based communication PC user interface 150 Samples/sec 50 mm x 33 mm x 17 mm
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