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Biomedical Measurement Device Measures Your ECG and Pulse Oxymeter
This system is also based on the AVR Butterfly kit with two additional circuits one for ECG measurement, the other for measuring pulse oxymeter. The system can be used for monitoring ill persons or...
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LCD Temperature Monitor
This project allows you to log temperature under 2 operating modes: Standalone, the system works standalone and can record a max of 2 temperatures or connected to a PC’s RS232 port thus having the...
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USB OBD2 Adapter Based on PIC18F2455
This project is build around one of new Microchip PIC18F2455/2550 8-bit microprocessor with USB support. The PIC18F2455 USB core is V1.1 and V2.0 compliant and operates at 1.5 Mb/sec and 12Mb/sec...
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USB to Serial (RS232) Adapter
These day’s most computers and laptops don’t have the RS232 port installed so if you can only connect something trough RS232 you’re looking at a problem. This project comes in handy, and gets you out...
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Starting Guide for the AVR Butterfly
AVR Butterfly is an evaluation tool demonstrating the capabilities of the latest AVR Technology. The tool is shipped with preloaded firmware supporting temperature sensing, light measurement, voltage...
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EchoMp3 Another DIY MP3 Player
I say another, because we all know the DIY MP3 Player and the AVR Butterfly MP3 Player. This mp3 player can support up to 4 GB of storage (MMC or SD cards) runs from a single AAA battery and has full...
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RGB LED PWM Control Project
The RGBLED and mRGBLED controllers allow you to control the color of RGBLEDs. This might sound trivial, but it actually takes a lot of resources to let you be able to set an RGBLED to any color you’d...
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Experimenting Wireless Communications With AVR ATtiny2313
The circuit contains 2x TRW-24G modules, 1x AT90S2313 microcontroller and 1x MAX202 TTL to RS232 voltage level converter. When you power-on this circuit, the AVR it will configure the IC1 as receiver...
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USB ISP Programmer For AVR
There are dozens of projects like this one on the web, but it’s nice to be able to chose the one you like most. Nothing special with this AVR ISP programmer, maybe just the idea that the author build...
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AVR J1850 VPW Interface
Yet another car related project, this is the AVR J1850 VPW Interface which was designed as an On Board Diagnostic tool for car monitoring. The brain of the device is again the ATmega8 AVR...
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