Fuel Gauge

Once again, the LEDs are drawn backwards.

 

Parts List

D1 9.1 volt Zener diode  
D2 10 Volt Zener diode  
R1 39 ohm 1/2 watt resistor  
R2,R3 47 ohm 1/4 watt resistor  
LEDs Standard Light Emitting Diode