DoWatch DIY01

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Schematic diagram
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DoWatch body size
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DoWatch power dissipation (It is only the official preliminary measurement result of V1.01)
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Part list
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MCU, RTC IC, Temperature sensor, Lithium battery, Steel ball, USB interface, Magnet
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OLED screen, Fuse, LED, Charger control IC, Capacitors, Resistors, Diode
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In DoWatch making process, there are some tools should be used:
Pointed welding heads (require additional purchase)
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Blade welding heads (require additional purchase)
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Clamps for compressing two pieces of PCBs together in welding (require additional purchase)
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A roll of double sided adhesive tape (require additional purchase)
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Before making the DoWatch, please check whether the PCBs (10 pieces) have scratches or are damage.

• About DoWatch
• DoWatch: Welding OLED and MCU to Board C
• DoWatch: Welding other parts to Board C and testing
• DoWatch: joint the boards A, B and C
• DoWatch: install magnet, steel ball and Lithium battery, and weld the rest components
• DoWatch: install watch strap and perform test
• Charger: Welding and testing