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drewsum / pulse_oximeter

An open source device for measuring a user's pulse and blood oxygen saturation
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Fix PWM backlight series resistor in schematic and BOM #7

Closed drewsum closed 4 years ago

drewsum commented 4 years ago

You made this 499 ohms originally, change this to 0 or 10 or something, there's an integrated series resistance in the LCD module itself