The photodiode (glued over a red indicator LED) outputs 1 micro A & 4.8 mV
when the indicator LED is activated. A second red LED needs to duplicate the indicator LED's action. A circuit to do this please. Supply is 12V.
471 op, 2N2222, 2N3819 Fet are handy.
when the indicator LED is activated. A second red LED needs to duplicate the indicator LED's action. A circuit to do this please. Supply is 12V.
471 op, 2N2222, 2N3819 Fet are handy.