F*watch is a fully open electronic watch project featuring an integrated GPS receiver.
The development started at CERN as an after-work project to make a special present for a retiring colleague who likes hiking and timing.
The full design (electronics, mechanics and software) is available under free licenses and the design is exclusively made with free tools.
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Specifications
Electronics
- Sensors
- GPS
- Pressure sensor
- 3D-accelerometer
- Compass
- Ambient light sensor
- I/O
- 128×128 pixels LCD with backlight
- Micro-USB connector, 4 Buttons
- Buzzer, vibrating motor
- MicroSD memory slot
- Various
- 500 mAh Lithium-ion battery, fuel gauge
- 4-layer PCB
- Developed with open KiCad design tool for schematics and PCB
- Block diagram
For more detail: F*watch – a fully open electronic watch
