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Update: Compact 3.7kW charger project

Picking up after where we left a week ago: After some debugging, I’ve been able to start communicating with the charger. Assuming the hardware-related problems I had to solve before successfully receiving my first CAN packet are rare, I must say that the steps required to actually get packets from the bus and on the […]

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New Project: Compact 3.7kW charger & configuration

After installing TW560’s latest battery pack and testing it thoroughly, one of the points I definitely want to address is reducing full-charge time. With a potential maximum of 18.9kWh having to go into the batteries, my current setup with 6.8kWh peak charging capacity means I’m charging for at least 3 1/2 hours. Adding chargers is […]


DRL project completed!

i am happy to report that the drl project for TW560 is completed. below i will share the details of how the project came together and how the bom looks like. after ordering the switchback led’s from a US-supplier and blinker covers in germany i was perfecting my DRL amtel-chip powered LED switchback solution and […]


DRL > a new project for TW560

18jan14-update: project finished, see result here. swiss road laws are changing. from january 1st, 2014 onwards, every vehicle on switzerland’s roads must have DRL – daylight running lights – when in motion. older vehicles without dedicated DRL can comply with this law by keeping their main lights on during daytime. a TWIKE, obviously, doesn’t have […]


under the hood #1: adding a GPRS module to TW231

a few years ago, with the arrival of the new dreifels controller, modern micro controllers employed within offered many benefits: handling complex charging scenarios more and detailed vehicle data overall better vehicle performance …and a few optional hardware extensions to extend overall vehicle usage comfort. one of these options is a sms module, which – […]