SLC Free Latest Build Notes and Tips

[Alan To]

Hi,

I will put the latest notes and tips on Building SLC Free here.

May 2 2014:

The beige Molex connectors are crap, I regret using them. You should solder the sensor and the power cables directly to the PCB.

Issues with LCD clearance and the electrolytic capacitors:

• When you solder the electrolytic capacitors, make sure they are flush to the board. I recommend soldering just 1 leg, then push the capacitor down while your iron is heating the the leg that is soldered.
  
• The electrolytic capacitors may touch the black metal tabs on the back of the LCD, you just need to twist the metal tabs a little bit and it will be clear of the capacitors.
  
• It is a good idea to put some tape on the top of the electrolytic capacitors so there is no chance it makes contact with components on the back of the LCD.

Oct 9 2014:

New kits no longer come with the molex connectors, the cables should be soldered to the PCB

New kits have a taller standoffs so no more clearance issues, you will still have to twist the black metal tabs on the back of the lcd so that it does not interfere with the electrolytic capacitors, tape ontop the electrolytic capacitors is still a good idea.

New kits have a 750 ohm resistor for R15, on the PCB R15's value is labelled as "1.2k" but you should use 750 ohms for R15. If the contrast is too dark then additional 1k and 1.2k resistors are in the kit for you to try out to set the contrast level.

[tomas...@gmail.com]

Hello Alan,

I just received my kits in good order. Thank you.

Would it be possible to post some pictures of the tips ?
I am not good at electronics (even don't know the different type of capacitors).

Regards,
Tomas

[Antti Karttunen]

I have some photos from assembled SLC free B-version as I soldered it yesterday. El-caps fit nicely when you bend LCD tabs. I put some PVC-tape on capacitor tops but seems that it´s not needed. Though it won´t hurt to put some. Takes about 2 hours when done properly with no hurry to assemble and solder SLC free.

[Alan To]

Nice build

[Antti Karttunen]

Now it´s ready. First I was considering aluminium box but then found this one with IP65 protection and material is polycarbonate so it´s impact resistant. Controller is working fine as I tested it with lighter (not lit, only gassing the probe). I will put this in my car soon and see how it works. All the way this is nice controller when built properly.

[SuperdaveMotorsports]

How long did it take to get your kit once you ordered it?
   SuperdaveMotorsports

[matthew lorenzi de fretes]

hei any one can help me to make lcd display shows afr   ????

[Warwick Harris]

Have you tried anything yet?

Maybe you could post what you have done and we could help.