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I Made a Smart Watch from Scratch

posted by martyb on Tuesday April 30 2019, @11:37PM   Printer-friendly
from the tick-tock-tech dept.

Phoenix666 writes:

Imgur:

Finished project first!

I decided sometime last year that I wanted to make a smart watch from scratch. I am an electrical engineer and product designer by day, so this was a fun side project that had been rolling around in my head for a while now.

Also, this project is full open sourced, the below repo has all of the build files you would need to make your own:

- Circuit board files
- Schematics
- Bill of Materials
- All the code
- STL files for all the prints

github.com/S-March/smarchWatch_PUBLIC

Looks fun. Maybe I'll print my next watch.

Original Submission

 
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  • (Score: 1) by RandomFactor on Wednesday May 01 2019, @12:13AM

    by RandomFactor (3682) Subscriber Badge on Wednesday May 01 2019, @12:13AM (#836977) Journal

    Comment Description Designator Quantity Part number Digikey Number
    10K 0603 Resistor R1, R3, R4, R5, R11 5 RC0603FR-0710KL 311-10.0KHRCT-ND
    10uF 0603 Capacitor C2, C10, C11, C12, C15 5 GRM188R61A106KE69D 490-10474-1-ND
    4.7uF 0603 Capacitor C3, C8, C9, C13 4 CL10A475KP8NNNC 1276-1044-1-ND
    1uF 0603 Capacitor C4, C6, C7 3 CL10B105KP8NNNC 1276-1946-1-ND
    100nF 0603 Capacitor C1, C5, C14 3 CC0603KRX7R9BB104 311-1344-1-ND
    5.1M 0603 Resistor R8, R9 2 RC0603JR-075M1L 311-5.1MGRCT-ND
    330 Ohm 0603 Resistor R6, R10 2 RC0603FR-07330RL 311-330HRCT-ND
    ECH8693R-TL-W Mosfet Array 2 N-Channel (Dual) Common Drain 24V 14A 1.4W Surface Mount SOT-28FL/ECH8 Q1, Q2 2 ECH8693R-TL-W ECH8693R-TL-WOSCT-ND
    0 Ohm 0603 Resistor R13 1 RC0603JR-070RL 311-0.0GRCT-ND
    0.1 Ohm 0603 Resistor R2 1 RU1608FR100CS 1276-6155-1-ND
    0.39 Ohm 0805 Resistor R12 1 RC0805FR-07390RL 311-390CRCT-ND
    2.2K 0603 Resistor R7 1 RC0603FR-072K2L 311-2.20KHRCT-ND
    7M-16.000MEEQ-T 16MHz ±10ppm Crystal 10pF 80 Ohms 4-SMD, No Lead Y2 1 7M-16.000MEEQ-T 887-1319-1-ND
    9HT11-32.768KDZB-T 32.768kHz ±20ppm Crystal 6pF 90 kOhms 2-SMD, No Lead Y1 1 9HT11-32.768KDZB-T 887-2616-1-ND
    800-10-002-30-507101 2 Position Spring Mating Target Connector Surface Mount P1 1 800-10-002-30-507101 1212-1446-ND
    AML130A2402A AML130A2402A Round 1.3" TFT Display U1 1 AML130A2402A Dhgate.com
    BQ29700DSER Battery Battery Protection IC Lithium-Ion/Polymer 6-WSON (1.5x1.5) U5 1 BQ29700DSER 296-43985-1-ND
    C0720B001F DC Motor Vibration, ERM 10000 RPM 3VDC M1 1 C0720B001F 1670-1000-ND
    CKP2012NR47M-T Inductor_0805 L1 1 CKP2012NR47M-T 587-2768-1-ND
    DA14683 SmartBond DA14683 Single-chip high-security Bluetooth 5 solution with expandable memory U3 1 DA14683-00000A92 DA14683-00000A92CT-ND
    ESD9B5.0ST5G TVS DIODE 5V SOD923 D1 1 ESD9B5.0ST5G ESD9B5.0ST5GOSCT-ND
    LIS3DH LIS3DH ACCEL 2-16G I2C/SPI 16LGA U2 1 LIS3DHTR 497-10613-1-ND
    RJD2430C1ST1 Coin, 24.5mm 3.7V Lithium-Ion Battery Rechargeable (Secondary) 110mAh BAT1 1 RJD2430C1ST1 1572-1630-ND
    W25Q128JVPIQ FLASH - NOR Memory IC 128Mb (16M x 8) SPI - Quad I/O, QPI, DTR 133MHz 8-WSON (6x5) U4 1 W25Q128JVPIQ TR W25Q128JVPIQCT-ND
    PCB PCB N/A 1 N/A N/A

    --
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