Making Devices Low-Power StopWatch

A coin-cell stopwatch with two 4-digit LED displays and no power switch, relying on a PIC's extreme-low-power sleep modes · 1 part · 6 steps · By Making Devices

Gather the parts
Order the PCB
Solder the SMD parts
Fit displays, buttons and buzzer
Program the PIC
Use it

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Making Devices Low-Power StopWatch

By Making Devices · Example build · 4 views · 0 remixes

A coin-cell stopwatch with two 4-digit LED displays and no power switch, relying on a PIC's extreme-low-power sleep modes

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Estimated parts cost

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Difficulty

Moderate

Parts

1 part · 1 pcs

Start the assembly guide