PCB layout digi and Opto-Isolated RS232 I/O and OneWIre interface.
Credit will be given for any Design assistance
CTS line is always asserted to indicate that the STM32F is always ready to receive data.
CTS can be held low while applying power in order to make Boot0 high during power up.
MAX3221 is a RS232 driver that includes status indication
Prefer Eagle or Kicad
To fit as small as possible enclosure , yet to be decided
Box Examples found on Aliexpress
Create Missing CAD Library components
14 freelancers are bidding on average $686 for this job
Hi employer, Need to discuss about your project. What do you want exactly ? Please free contact me through my skype: hai.lam205. Please give me your requirement in order to do exactly. Thanks,