OBD work ELM 327 (version 1.3a) interface built and tested ELM 327 Schematic – should apply to most BMWs OBD interfaces pictured together, on the left is the EDIABAS-INPA interface and ELM 327 on the right. Offset is USB to RS232 interface which is used with the laptop, the carputer has two native serial ports …
Category Archive: electronics
Mar
06
Feb
20
Carputer GPS and reverse camera
Putting in the GPS receiver dongle Instrument cluster off GPS receiver behind instrument cluster Reverse camera Fishing the power and composite wire through here is royal PITA LED bulb replaced with camera Wiring Wire being laid down Relay for reverse and override operation Schematic [IMG]http://i791.photobucket.com/albums/yy197/aidilj/carputer/override.png[/IMG] Override switch The camera In action
Jan
13
Ground loop
After the amplifier was constructed it was hooked to the computer and immediately I could hear everything on the CPU – hard disk, processor, Wifi dongle etc. They come in various hums, whines, static, clicks etc. Noise will start after the M3-ATX takes the amplifier out of standby through the remote/thump terminal. Through much reading …