I Thread Starter _ian_g_ Joined Oct 14, 2006 5 Nov 27, 2006 #1 how do u change a photo transistor circuit using Lm 324 op amp with using 4 leds and it comes on in the dark thank u
how do u change a photo transistor circuit using Lm 324 op amp with using 4 leds and it comes on in the dark thank u
beenthere Joined Apr 20, 2004 15,808 Nov 27, 2006 #2 Hi, You say "change a ... circuit". If you can post the circuit, perhaps we can make suggestions.
