A Caterham Seven Blog
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Driving Clifton Suspension Bridge – YouTube Video
Post Views: 1,000 This is a quicky… The weather was good and we were coming out of lockdown, so decided to get the car out for its first small run of the year. The Video I took a much longer run to get fuel and out from Bristol to Leigh Woods, Failand and then back…
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Lowflying Article – Nervous Novices, April 2020
Post Views: 512 It was Brian’s fault! The local Bristol and Bath AR (Area Representative), Brian Hall had suggested my name to the Lotus7.club track-day co-ordinator Simon Maitland. Simon was looking for someone to do a piece in Lowflying (the Lotus7.club monthly magazine) about how good the club’s novice track-days are. Brian knew I didn’t…
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ECU Diagnostics – part 14 : Software Framework mbe.py
Post Views: 1,122 This is hopefully a reasonably short post about the software framework I’ve developed to help read sensor data from the MBE 9A4 ECU. The software is written in Python 3 and is available here: Caterham-OBD. However, I’m going to talk about using one file only which is mbe.py. The idea behind mbe.py…
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ECU Diagnostics – part 13.3 : MBE-ISOTP
Post Views: 1,093 SUMMARY We now understand the communications protocol used by Easimap (the Windows software supplied by the ECU manufacturer) and can use it to ask the ECU for whatever data the car has to offer. We can then manipulate the responses we get back from the car and format them to make sense…
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ECU Diagnostics – part 13.2 : OBD-II
Post Views: 1,425 The OBD-II diagnostic protocol is well defined and information about it can be found in On-board Diagnostics. It’s a mish-mash of many diffrerent standards, both physical and electrical, that I’ll refer to as OBD-II. There’s also a complete breakdown of the Services and PIDs (see below) that can be found in On-board Diagnostic…
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