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PaxInstruments / labwiz-board

A development board based on the STM32 series processors specifically targeting the STM32F103RxT series.
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Serial port connections #26

Closed charlespax closed 7 years ago

charlespax commented 8 years ago

Do we need pullup resistors on the serial lines? Possibly so for the bootloader. See AN2606 p. 26. screen shot 2016-07-15 at 23 36 15

electrokean commented 8 years ago

Always want one on the Rx pin at each device that may have its input disconnected from the transmitter

charlespax commented 8 years ago

Done

charlespax commented 7 years ago

The resistors were removed at some point. I'm adding them again. screen shot 2017-01-23 at 12 53 29

charlespax commented 7 years ago

Added back on the board.

screen shot 2017-01-23 at 13 00 40 screen shot 2017-01-23 at 13 00 50