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Merge pull request #340 from meshtastic/thebentern-patch-1

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Ben Meadors 2022-05-15 13:32:27 -05:00 committed by GitHub
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docs/getting-started/flashing-firmware/flashing-external-serial-adapter.mdx
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@ -43,15 +43,20 @@ There are multiple ways to connect the pins of the adapter to the target device:
Disconnect your USB to Serial Adapter from the computer before starting this process. Disconnect your USB to Serial Adapter from the computer before starting this process.
1) Connect the RX pin of the adapter to the TX pin of the device 1) Connect the RX pin of the adapter to the TX pin of the device
2) Connect the TX pin of the adapter to the RX pin of the device 2) Connect the TX pin of the adapter to the RX pin of the device
3) Connect a GND pin of the adapter to the GND pin of the device 3) Connect a GND pin of the adapter to the GND pin of the device
4) Connect either the 5V pin of the adapter to the 5V pin of the device (illustrated) or the 3.3V pin of the adapter to the 3.3V pin of device. 4) Connect either the 5V pin of the adapter to the 5V pin of the device (illustrated) or the 3.3V pin of the adapter to the 3.3V pin of device.
5) Bridge GPIO 0 to GND on the device with a jumper. (This places the device into flash mode when the device is powered up) 5) Bridge GPIO 0 to GND on the device with a jumper. (This places the device into flash mode when the device is powered up)
Example wiring featuring a T-Beam Example wiring featuring a T-Beam
![image](https://user-images.githubusercontent.com/9000580/168446438-d14f34a0-b92d-4716-87fd-e0c2927a35fd.png) ![image](https://user-images.githubusercontent.com/9000580/168446438-d14f34a0-b92d-4716-87fd-e0c2927a35fd.png)
6) Connect the device to a USB port on the computer 6) Connect the device to a USB port on the computer
7) Remove the jumper bridging GPIO 0 to GND 7) Remove the jumper bridging GPIO 0 to GND
![enter-flash-mode](https://user-images.githubusercontent.com/9000580/168446974-c31d3e9c-3397-4cb1-90a4-91ef2e4d5fac.gif) ![enter-flash-mode](https://user-images.githubusercontent.com/9000580/168446974-c31d3e9c-3397-4cb1-90a4-91ef2e4d5fac.gif)