{"id":11251,"date":"2026-02-22T16:39:45","date_gmt":"2026-02-22T16:39:45","guid":{"rendered":"https:\/\/purplemeanie.co.uk\/?p=11251"},"modified":"2026-02-22T16:39:45","modified_gmt":"2026-02-22T16:39:45","slug":"project-seven-update-feb26-short","status":"publish","type":"post","link":"https:\/\/purplemeanie.co.uk\/index.php\/2026\/02\/22\/project-seven-update-feb26-short\/","title":{"rendered":"Project sEVen Update Feb26 Short"},"content":{"rendered":"\n<p>Brusa BDC668 traction DC2DC converter working on the bench.<\/p>\n\n\n\n<p>A quick update on progress with my Project sEVen test bench. As I build up the system to eventually get my motor spinning on the bench, today I get as far as running up the Brusa BDC668 to do a DC to DC conversion of 40V up to 260V in a test. Eventually this device will take the approximately 250V from my battery pack and generate the 800V needed by the inverter and motor. <\/p>\n\n\n\n<p>What I\u2019ve therefore got working so far is the: ZombieVerter VCU, Aim Technologies PDM32, contactor junction box and the Brusa DCDC converter. Outside of this test I also have the Battery Management System (BMS) running. <\/p>\n\n\n\n<p>Next up will be to get the Brusa DCDC converter running at its full output voltage and then to start working to get the inverter and motor working. #evconversion #caterhamseven #puttingtheevins<\/p>\n\n\n\n<p>Here&#8217;s a link to the video&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-9-16 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Project sEVen Update Feb26: Brusa BDC668 traction DC2DC converter working on the bench\" width=\"422\" height=\"750\" src=\"https:\/\/www.youtube.com\/embed\/zsJids2bsFE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">Project sEVen Feb26 Update Short<\/figcaption><\/figure>\n\n\n\n<p>There will be a longer video about all of this coming out later this week.<\/p>\n\n\n\n<p>John<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brusa BDC668 traction DC2DC converter working on the bench. A quick update on progress with my Project sEVen test bench. As I build up the system to eventually get my motor spinning on the bench, today I get as far as running up the Brusa BDC668 to do a DC to DC conversion of 40V [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":11252,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"YouTube Short: Brusa BDC668 traction DC2DC converter working on the bench","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[51,38,26],"tags":[],"class_list":["post-11251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-caterham-blog","category-electric-vehicles","category-youtube"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-22-at-12.52.51.jpeg","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8yl38-2Vt","jetpack-related-posts":[{"id":11273,"url":"https:\/\/purplemeanie.co.uk\/index.php\/2026\/04\/24\/project-seven-pt9-traction-dc2dc-converter-bring-up\/","url_meta":{"origin":11251,"position":0},"title":"Project sEVen Pt9: Traction DC2DC converter Bring Up","author":"John Martin","date":"April 24, 2026","format":false,"excerpt":"Another video out... https:\/\/youtu.be\/5CnLO162RVM Project Update Well I didn't kill myself, that's always a bonus! In fact I didn't get anywhere near... yet! This post is a bit late, I wrote it a few weeks ago but didn't finish it off... but here it is now :-) This is where\u2026","rel":"","context":"In &quot;Caterham Blog&quot;","block_context":{"text":"Caterham Blog","link":"https:\/\/purplemeanie.co.uk\/index.php\/category\/caterham-blog\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/04\/Project-sEVen-pt9-001_2-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/04\/Project-sEVen-pt9-001_2-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/04\/Project-sEVen-pt9-001_2-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/04\/Project-sEVen-pt9-001_2-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/04\/Project-sEVen-pt9-001_2-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/04\/Project-sEVen-pt9-001_2-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":11015,"url":"https:\/\/purplemeanie.co.uk\/index.php\/2025\/11\/23\/putting-the-ev-in-seven-two-year-mega-update-video\/","url_meta":{"origin":11251,"position":1},"title":"Putting the EV in Seven &#8211; Two Year Mega Update Video","author":"John Martin","date":"November 23, 2025","format":false,"excerpt":"Well... I finally got to the point where I realized I wasn't going to be able to upload all the videos I'd wanted to. For the whole of my Putting the EV in Seven project, I've been taking video and pictures in order to put together a series of progress\u2026","rel":"","context":"In &quot;Caterham Blog&quot;","block_context":{"text":"Caterham Blog","link":"https:\/\/purplemeanie.co.uk\/index.php\/category\/caterham-blog\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2025\/11\/PTEVIS6-2-Year-002b-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2025\/11\/PTEVIS6-2-Year-002b-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2025\/11\/PTEVIS6-2-Year-002b-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2025\/11\/PTEVIS6-2-Year-002b-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2025\/11\/PTEVIS6-2-Year-002b-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2025\/11\/PTEVIS6-2-Year-002b-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":11194,"url":"https:\/\/purplemeanie.co.uk\/index.php\/2026\/02\/16\/gvret-and-bdc668-disectors-for-wireshark\/","url_meta":{"origin":11251,"position":2},"title":"GVRET and BDC668 Dissectors for Wireshark","author":"John Martin","date":"February 16, 2026","format":false,"excerpt":"This is a quick post about another non-quick rabbit hole. This Wireshark plugin sits on the same PC as SavvyCan and sniffs the interaction between SavvyCan and an ESP32RET CANbus sniffer. It uses the Wireshark SocketCAN format to expose the GVRET can packets to further Wireshark dissectors such as ISO-TP\u2026","rel":"","context":"In &quot;Caterham Blog&quot;","block_context":{"text":"Caterham Blog","link":"https:\/\/purplemeanie.co.uk\/index.php\/category\/caterham-blog\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-15-at-16.56.02-scaled.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-15-at-16.56.02-scaled.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-15-at-16.56.02-scaled.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-15-at-16.56.02-scaled.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-15-at-16.56.02-scaled.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/Screenshot-2026-02-15-at-16.56.02-scaled.png?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":11168,"url":"https:\/\/purplemeanie.co.uk\/index.php\/2026\/02\/15\/esp32ret-on-an-adafruit-esp32-s3-tft\/","url_meta":{"origin":11251,"position":3},"title":"ESP32RET on an Adafruit ESP32-S3 TFT","author":"John Martin","date":"February 15, 2026","format":false,"excerpt":"Well, this was another one of those rabbit hole projects. I'd got myself a home grown CANbus sniffer that talked in the Lawicel format to SavvyCan and allowed me to sniff CANbus data reasonably reliably.\u00a0 BUT, I had to be connected to the sniffer over a serial interface and that\u2026","rel":"","context":"In &quot;Caterham Blog&quot;","block_context":{"text":"Caterham Blog","link":"https:\/\/purplemeanie.co.uk\/index.php\/category\/caterham-blog\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/ES32RET-on-S3-TFT-scaled.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/ES32RET-on-S3-TFT-scaled.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/ES32RET-on-S3-TFT-scaled.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/ES32RET-on-S3-TFT-scaled.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/ES32RET-on-S3-TFT-scaled.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2026\/02\/ES32RET-on-S3-TFT-scaled.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":8125,"url":"https:\/\/purplemeanie.co.uk\/index.php\/2022\/09\/30\/seven-index\/","url_meta":{"origin":11251,"position":4},"title":"Putting the EV in sEVen &#8211; Index","author":"John Martin","date":"September 30, 2022","format":false,"excerpt":"In this project we're converting a Caterham Seven Supersport SV from being powered by an Internal Combustion Engine (ICE), into one powered by an electric motor and batteries (BEV - Battery Electric Vehicle) This page is an index of articles relating to Putting the EV in sEVen. You can find\u2026","rel":"","context":"In &quot;Caterham Blog&quot;","block_context":{"text":"Caterham Blog","link":"https:\/\/purplemeanie.co.uk\/index.php\/category\/caterham-blog\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2022\/09\/Cartoon-Seven-Vector-with-EV-Purple-Bumper.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2022\/09\/Cartoon-Seven-Vector-with-EV-Purple-Bumper.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2022\/09\/Cartoon-Seven-Vector-with-EV-Purple-Bumper.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2022\/09\/Cartoon-Seven-Vector-with-EV-Purple-Bumper.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2022\/09\/Cartoon-Seven-Vector-with-EV-Purple-Bumper.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2022\/09\/Cartoon-Seven-Vector-with-EV-Purple-Bumper.png?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":8262,"url":"https:\/\/purplemeanie.co.uk\/index.php\/2023\/03\/21\/putting-the-ev-in-seven-lowflying-part-3-ev-bits-and-pieces\/","url_meta":{"origin":11251,"position":5},"title":"Putting the EV in sEVen &#8211; Lowflying part 3 : EV Bits and Pieces","author":"John Martin","date":"March 21, 2023","format":false,"excerpt":"This article first appeared in the February edition of the Caterham and Lotus Seven Club's Lowflying magazine. I also created an animated overview of all of this in this video below: https:\/\/youtu.be\/8tDo6ezOMu0 What's in an EV Conversion A more detailed version of this video will be coming soon. And here's\u2026","rel":"","context":"In &quot;Caterham Blog&quot;","block_context":{"text":"Caterham Blog","link":"https:\/\/purplemeanie.co.uk\/index.php\/category\/caterham-blog\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2023\/03\/Test-Cycles-250W-with-Lineart-Exp-0.25-Gamma-1.4.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2023\/03\/Test-Cycles-250W-with-Lineart-Exp-0.25-Gamma-1.4.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2023\/03\/Test-Cycles-250W-with-Lineart-Exp-0.25-Gamma-1.4.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2023\/03\/Test-Cycles-250W-with-Lineart-Exp-0.25-Gamma-1.4.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2023\/03\/Test-Cycles-250W-with-Lineart-Exp-0.25-Gamma-1.4.png?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/purplemeanie.co.uk\/wp-content\/uploads\/2023\/03\/Test-Cycles-250W-with-Lineart-Exp-0.25-Gamma-1.4.png?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/11251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=11251"}],"version-history":[{"count":2,"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/11251\/revisions"}],"predecessor-version":[{"id":11254,"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/11251\/revisions\/11254"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/media\/11252"}],"wp:attachment":[{"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=11251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/categories?post=11251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/purplemeanie.co.uk\/index.php\/wp-json\/wp\/v2\/tags?post=11251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}