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nailed [2021/09/11 19:13] – yair | nailed [2023/04/30 13:38] (current) – [Color] yair | ||
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+ | > nailed is a one pixel camera on your nail. | ||
+ | > it carries an IC with 16Kb of flash memory to save input from a color sensor and play it back on the RGB LED | ||
+ | prior at [[https:// | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | =====MCU==== | ||
+ | === ATtiny1634=== | ||
+ | {{: | ||
+ | |||
+ | [[https:// | ||
+ | |||
+ | {{: | ||
+ | {{: | ||
+ | {{: | ||
+ | {{: | ||
+ | |||
+ | ====LED==== | ||
===SK6812=== | ===SK6812=== | ||
+ | [[https:// | ||
+ | |||
+ | >he main difference between the two drivers is that the SK6812 has voltage-independent color and brightness over a wide voltage range, which means that the colors of the LEDs should not be affected by a drop in the supply voltage as much as they are on the WS2812B.[[https:// | ||
+ | |||
+ | |||
^ SK6812 | ^ SK6812 | ||
- | | {{: | + | | {{: |
- | | {{: | + | | {{: |
- | | {{: | + | | {{: |
+ | |{{: | ||
+ | ====Color==== | ||
+ | ===TCS3414=== | ||
+ | {{: | ||
+ | pintout > {{: | ||
- | === ATtiny1634=== | + | |
- | {{:pasted:20210911-160422.png?300}} | + | ===VEML6040=== |
- | {{:pasted:20210911-160504.png?300}} | + | {{:veml6040.pdf|datasheet}} |
- | {{: | + | |
+ | ====MEMORY==== | ||
+ | ===24LC32AFT=== | ||
+ | 32-Kbit I2C Serial EEPROM, | ||
+ | {{:24aa32af_24lc32af_32_kbit_i2c_serial_eeprom_with_q-3044384.pdf|pdf}} | ||
+ | ===24LC16BT=== | ||
+ | |||
+ | ====power==== | ||
+ | as space on the nail is at premium we will currently use thin wires to power each nail. \\ | ||
+ | {{:chrome_a3aqpwjran.png}} | ||
+ | |||
+ | ====Nail Decals==== | ||
+ | * Ladies (mm): | ||
+ | * Big Toe: 10.16 x 11.5 | ||
+ | * Fingers: 8 x 9 | ||
+ | |||
+ | {{: | ||
+ | ==Schema== | ||
+ | {{: |