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3 votes

Do I connect multiple I2C units to the microcontroler in series or parallel?

Use the Wikipedia page on the protocol as an introduction to your learning curve on I2C. I may cite: At the physical layer, both SCL and SDA lines are [a ...] bus design, [...] This means that all ...
the busybee's user avatar
  • 2,088
2 votes
Accepted

Is it possible to use UART0 freely when connecting ESP32 s3 via USB (D+, D-)?

Serial is 'com' port over USB on esp32 with native USB (and "USB CDC On Boot" option selected in Tools menu). For UART0 the core then creates Serial0. From documentation: To use the UART as ...
Juraj's user avatar
  • 18k
1 vote

GPS Module not catching signal

The breadboard is wired wrong. The parts on either side of the center bar of of the breadboard are not connected to each other (see here), so the white and orange wires and the black yellow and wires ...
StarCat's user avatar
  • 1,651
1 vote

GPS Module not catching signal

The "No GPS detected" message means that 5 seconds have passed and less than 10 valid characters have arrived at the GPS serial port. Could be a baud rate mismatch.
tepalia's user avatar
  • 62
1 vote

Do I connect multiple I2C units to the microcontroler in series or parallel?

Connect the three I2C devices in parallel.
VE7JRO's user avatar
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