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HP 21 Woodstock Missing Decimal Point
01-07-2016, 12:53 AM
Post: #4
RE: HP 21 Woodstock Missing Decimal Point
To test the LED segments I use a 3Volt battery holder (2 x AA or AAA) and a 470 Ohm series resistor to be on the safe side and not burn the LEDs.

Jose Mesquita
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RE: HP 21 Woodstock Missing Decimal Point - jebem - 01-07-2016 12:53 AM



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