IIRC, it's about a 680 ohm resistor driven from 5 volts, the base resistors are 470K when switched in.
Harvey
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On 11/20/2021 3:30 PM, Miguel Work wrote:
atmega tester don?t have enought current tor drive a 10mA TD. It will be seen as a low ohms resistor, 10 ohms aprox for a 10mA TD diode
