S0816 SMT Automatic Feeder – Version 07

This version of the S0816 SMT Automatic Feeder replaces Version 5. Version 06 was not released to the public. Changes were made to improve feeder reliability and the pick-up area position that was moved forward. Pick-up location was too close to the limits of my pick-and-place machine, and it was…

Toyota MR2 pop-up headlights delay delete mod

Stock pop-up headlights unit on Toyota MR2 SW20 (85964-20020) delays retraction of the headlights by 3 seconds. This delay can be shortened with a simple modification of the pop-up headlights unit. I’m using this mod on my MR2 for more than 3 years without any problems or glitches, so I…

Nissan 180SX/240SX S13 Digital Speedometer Schematics

This speedometer got into my hands when my friend asked me if I could try to repair it. I’ve started with visual inspection and didn’t find any visible issue, so I started searching for some forum posts that could have some helpful information. Most of the posts that I’ve found…

Temperature and pressure gauge sensors characteristics

I’m working on custom car gauges for measuring car coolant temperature and oil temperature and pressure. To save some cash I decided to try to use cheap automotive sensors from China, specifically sensors from Banggood.com. The issue with these sensors is the lack of datasheets and/or characteristics specifications, so I…

S0816 SMT Automatic Feeder – Version 05

This is the first public release of 0816 SMT automatic feeder with straight SMT tape output. The Source for my modification was version v1.80. Only an 8 mm version is available at the moment. Modified files: The rest of the parts are the same as 0816 v1.80 parts. This version…

Making TEM cell for EMC measurements

TEM (Transverse electromagnetic) cell is a device that generates electromagnetic waves from 0 Hz up to few hundred MHz in an area between shielding plates and center plate called septum. This chamber is widely used for testing small electronic devices for radio noise emissions and immunity (EMC/EMI).