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--- products:sbc:edge2:development:setup-serial-tool [2022/12/02 03:42]
frank
+++ products:sbc:edge2:development:setup-serial-tool [2022/12/05 05:19]
hyphop [Hardware Connection]
@@ Line 9: / Line 9: @@
 Take a serial tool, which is also known as an USB to TTL Converter like [[https://www.amazon.com/Adaptor-Download-Adapter-Converter-LinkMore/dp/B08VGRRJ67/ref=sr_1_4?dchild=1&keywords=USB+to+TTL+ch340&qid=1629184609&sr=8-4|CH340 USB to TTL Converter]].
-An [[|Edge2 IO board]] is needed to work with the serial tool.
+An [[/products/sbc/edge2/applications/gpio/40pin-header|Edge2 IO board]] is needed to work with the serial tool.
 ===== Hardware Connection =====
-{{ /products/sbc/edge2/development/edge2-io.webp?500|serial_connections}}
+{{/products/sbc/edge2/development/edge2-io.webp?500|serial_connections}}
+^  ^ USB-TTL pin name  ^ Edge2 GPIO name ^ GPIO pin ^
+| 1 | ''GND''      | ''GND'' | 4 |
+| 2 | ''TXD''      | ''DRX'' | 3 |
+| 3 | ''RXD''      | ''DTX'' | 2 |
+Full [[/products/sbc/edge2/applications/gpio/40pin-header#reference-table| Edge2 GPIO header - reference table]]
+/* IMHO its ugly
 You can connect your serial tool to the board GPIO pins, referring to the following diagram，
@@ Line 22: / Line 31: @@
   * Tool Pin ''RXD'' <-> ''Pin3'' of Edge2 IO's GPIO ''DTX''
+*/
 ===== Setup Serial Communication Program =====

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