Search found 3 matches

by paynterf
Mon Aug 03, 2020 3:29 pm
Forum: General discussion
Topic: Newbie stuck at first flash attempt (STM32F103)
Replies: 31
Views: 4851

Re: Newbie stuck at first flash attempt (STM32F103)

I just went through this same process - literally yesterday. It was very frustrating until I ran across this video, which explains everything in detail.

Hope this helps,

Frank
by paynterf
Mon Aug 03, 2020 3:23 pm
Forum: General discussion
Topic: Newbie stuck at first flash attempt (STM32F103)
Replies: 31
Views: 4851

Re: Newbie stuck at first flash attempt (STM32F103)

I just went through this same process (and I do mean 'just' - it was yesterday!) with two brand-new 'blue pill' MCU I got from Amazon. The saving grace for me was this video, which goes through the process of uploading an Arduino bootloader in great detail.
by paynterf
Mon Aug 03, 2020 3:09 pm
Forum: General discussion
Topic: Measuring the battery with a blue pill
Replies: 5
Views: 841

Re: Measuring the battery with a blue pill

Remember too that the complete circuit also includes the input impedance (resistance and capacitance) of the analog input pin. With 1M resistors, the analog input impedance might be significant. You are probably better off with something like 100K resistors, which are pretty much guaranteed to be mu...

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