Re: TinySA Arduino
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For $1.40 you can get a STM32F103C8T6 "bluepill" board that is 3.3V (with some 5V tolerant pins) and you would not have to bother with a level shifter. On Sat, 18 Jan 2020 at 21:42, Joerg ex-DB2OO <jhwhu@...> wrote: I used an I2C level shifter module with 4 level shifters, which I purchased on eBay (approx EUR 1.95). |
