Small powermeter

Partlist:

R1 = 4,7kOhm
R2 = 4,7Mohm
R3 = 68kOhm
R4, R10-R14 = 10kOhm
R5 = 470Ohm
R6 = 390Ohm
R7 = 270Ohm
R8 = 150Ohm
R9 = 10Ohm
D1-D4 = BAT85
LD1-LD5 = 3mm/Red
Rv1 = 250kOhm (220kOhm)
T1-T7 = BC547
E1 = Batterieholder for CR2032
C1 = 1uF
C2-C4 = 10uF
Mic1 = Electret Microphone