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  1. J

    Programming Adafruit 4-Digit Displa7 (HT16K33)

    For anyone still struggling with this display and controller. I have sorted the all of the addresses out. Please see the program listing below. Please let me know if I missed something or if something is not clear? ' using 20X2 with hardware i2c on Pins b.7 (CLK) and pin b.5 (SDA) ' HT16K33...
  2. J

    why 100K resistor on pin 2

    Hello All, I am sorry if this has been asked before - I searched but was unable to find it. My question is this why do some people use a 100K resistor and some use a 10K resistor on pin2 when the programing circuit is removed or not there? I know the purpose of it is to keep the pin from...
  3. J

    do I really need the 22K resitor

    If I am not going to add the programming connector to a circuit board can I omit the 22K resistor and only use the 10K resistor from pin 2 to ground on an 08M?
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