Hi all,

Since my new design controller is being released soon, I have decided to post the plans for my old design on the web for everyone to build as a DIY. My new design is mappable through the RPM range and also works with an active MAP sensor aswell.

PARTS LIST:-

C1 - 100nf ceramic
C2 - 2.2nf ceramic
C3 - 470uf radial
C4 - 100nf ceramic
C5 - 100nf ceramic
C6 - 100nf ceramic

R1 - 4k7
R2 - 47R (47ohm)
R3 - 300R ( 300ohm)
R4 - 1K
R5 - 100R (100ohm)
R6 - 47R
R7 - 4K7
R8 - 12K
R9 - 1K
VR1 - 50K

ZD1 - 5Volt
ZD2 - 9Volt
D3 - 1n4001 or 1n4002
D4 - 1n4148

IC1 - 555

Q1 - IRF640

This is the complete parts listing for the circuit.

Diagram to come soon.

 

Here ya go smile.gif