A DIY E-bike Conversion on the Cheap
Cars That Think
AUGUST 20, 2021
Being an open-source design no doubt keeps the price of this hardware down: The controller I bought set me back a mere $85. Terrafirma Technology , a company started by an engineer named Michael House who has gone into business supplying 3D-printed adapters to people who want to repurpose lithium-ion power-tool batteries.
Let's personalize your content