Board-dat/NWI/NWI1252-dat/NWI1252-dat.md
... ...
@@ -97,4 +97,6 @@ and reference demo test code - https://github.com/Edragon/Arduino-ESP32/tree/mas
97 97
98 98
- [[RS232-dat]] - [[DCDC-dat]] - [[USB-dat]] - [[case-dat]]
99 99
100
+- [[serial-dat]]
101
+
100 102
- [[NWI1252]]
Tech-dat/Interface-dat/Serial-dat/Serial-dat.md
... ...
@@ -119,7 +119,10 @@ replaceable
119 119
120 120
- [[auto-serial-dat]]
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122
-
122
+common PCB setup
123
+- one row: GND / RXD / TXD / VCC
124
+- two row -1: GND / VCC
125
+- two row -2: RXD / TXD
123 126
124 127
125 128
## ref