misc:toward_a_diy_smartwatch
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Table of Contents
Toward a DIY smartwatch
The original inspiration for this is Tinkernut's project.
Considerations
- Power
- Size
Components
Screen
Old school LCD
I'm thinking of pulls from old mobile phones, esp. Nokia. Power use should be minimal. Availability (used) should be good.
New school LCD
What's available? Again power consumption should be small when backlight isn't used.
OLED
What's the power consumption?
Controller
w/ integrated BLE
- Adafruit Feather 32u4 Bluefruit LE, 2.0“ x 0.9” x 0.28“, 5.7 grams, battery charger, $30. Possibly all FOSS.
- Adafruit Feather M0 Bluefruit LE, 2.0” x 0.9“ x 0.28”, 5.7 grams, battery charger, $30. Possibly all FOSS.
- Bledino, 1.7“ x 0.8”
w/o BLE
- Femtoduino, $35
- Pro Micro, 1.3×0.7“, $19.95 (official)
- Pro Mini 0.7×1.3”, $3 (clone) to $10 (official)
- Qduino Mini, battery charger, $30.
- Tinyduino, battery support, goofy I/O $20
Other
- Use a Nordic BLE module for everything?
Bluetooth
Classic
- HC-06: $TODO, TODO mA, size is a bit big.
- HC-05: $TODO, TODO mA, size is a bit big.
BLE
- Adafruit Bluefruit LE SPI Friend, 0.9“ x 1”, possibly FOSS, $17.50
- Adafruit Bluefruit LE UART Friend, 0.8“ x 1.26”“, possibly FOSS, $17.50
- Itead HM-11, 0.7” x 0.53, $8.50
- Itead HM-10, 1.1“ x 0.5”, $6.50
- ReadBearBLEmini
- Seeed Bluetooth V4.0 HM-11 BLE Module, 0.5“ x 0.7”, $13.
- Seeed Micro BLE Module, $17.
Battery
misc/toward_a_diy_smartwatch.1467463264.txt.gz · Last modified: 2016/07/02 12:41 by mithat