Monthly Archives: September 2014

Progress from my last post: Abandoned “Arduino Shield” form factor because it was too small for 4 relays and had too much baggage, ie. unneeded electronics and connections. Redesigned circuit and PCB into an “Arduino clone” with isolated logic and … Continue reading →

i’ve made good progress on the BBTC project  since the first post. i breadboarded a proof-of-concept design with a single temperature sensor and used an incandescent light bulb to simulate a battery heater.  Here’s a demo: i designed a 4-box … Continue reading →