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DIY open source bicycle computer
Home Page: http://rhn.github.com/jazda
License: GNU General Public License v3.0
This project forked from rhn/jazda
DIY open source bicycle computer
Home Page: http://rhn.github.com/jazda
License: GNU General Public License v3.0
Jazda is a bicycle computer based on AVR microcontrollers and mobile phone screens. The project covers both the software and hardware design, providing the source code and schematics. Originally, it was built around AtTiny2313, now it's AtMega8. The microcontrollers were chosen because of their popularity and resistance to damage. The other significant component is the screen. The project aims to be compatible with at least a few popular low-powered displays in the future, but at the moment only one is supported. Project page: https://github.com/rhn/jazda Project wiki: https://github.com/rhn/jazda/wiki/ Introduction, tutorial and hardware documents: http://rhn.github.com/jazda/ FEATURES 5 speed measuring functions: current, max, average etc Cadence measurement Plotting as you ride Low power consumption DIY hardware Modular code design ASSEMBLY For hardware needed to assemble the device, see docs/hardware The schematics are available in Eagle format in eagle directory AND on the project page (PNG format). You will need an AVR programmer to upload the software to the chip! SOFTWARE BUILDING Linux: To build & upload the software, you need: - avr-gcc - avr-libc - avrdude - Unix shell 1. Connect the AtMega8 chip to your computer using your programmer (refer to the programmer's manual) 2. Consult avrdude manual to find your programmer's name (in this example, it's "usbasp") 2. Issue the commands: cd src sh ../build.sh usbasp m8 main.c replacing "usbasp" with your programmer's name AUTHORS [email protected]
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