Hello, i am looking into building a Super-capacitor charging circuit from the site How to make a Supercapacitor Charger Circuit Here's what I know about the circuit according to the site. 12v goes through D3 and R8 to ground to let you know the circuit is getting power. 12v also feeds the input o…

super-cap charger circuit

ReverseEMF June 15, 2019, 8:36pm 4

tjones9163:
... nut isnt Q2s base normally pulled high by 10k resistor and only when the output of the amplifier is LOW can it be activated?

Huh?!?

Topic		Replies	Views
Possibly stupid question about supercapacitor voltages... General Electronics	12	4899	May 6, 2021
Voltage measurements for bank of 3 supercapacitors General Electronics	14	6561	May 6, 2021
Charging 2.7v supercap with 5v but monitor with analogRead() General Electronics	22	6906	May 6, 2021
input voltage higher than supply voltage General Electronics	8	1979	May 6, 2021
LM317T Current limited 6V charger General Electronics	9	8162	May 6, 2021