NWI1254-dat

• this is a succsessor of NWI1252-dat, further add RS232-dat interface

• RS485-dat

• ESP32-C3-dat - ESP32-C3-SDK-dat

Info

product url - NWI1252-dat

Board Map, Dimension, Pins, chip info, Use Guide, Setup Jumper, etc.

• set red and yellow jumpers for RS485-dat
• set blue jumpers for RS232-dat

red box

• data communication LED indicator
• spare pins
  • IO6 IO7 IO8
  • ADC IO2 D+ TXD 3V3
  • IO1 IO3 D- RXD GND
• EN button and flash button = IO10
• power LED
• flash button programmable LED = IO9

yello box

• Power input

Green Box

• USB A native USB
• micro USB native USB, same

Blue box

• jumper, RS232 / RS485 output selector
• GND / +5V
• DB9 connector, includes a jumper selector for pin2

• cable terminal output RS232 / RS485,

• DB9-dat

• dcdc-down-dat == 3A, Wide Input Range, Step-Down Converter

Wide input voltage range:

– TPS5430: 5.5V to 36V

• resistor-feedback-dat

main controller part SCH

Applications, category, tags, etc.

Demo Code and Video

note the RS232-dat interface should be twisted, wire as TX-RX and RX-TX

default flash data

esptool-dat

"C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\tools\esptool_py\5.1.0/esptool.exe" --chip esp32c3 --port "COM15" --baud 921600  --before default-reset --after hard-reset write-flash  -z --flash-mode keep --flash-freq keep --flash-size keep 0x0 "C:\Users\Administrator\AppData\Local\arduino\sketches\45267CD3CF422CD163E590AF8B86E223/NWI1254-3.ino.bootloader.bin" 0x8000 "C:\Users\Administrator\AppData\Local\arduino\sketches\45267CD3CF422CD163E590AF8B86E223/NWI1254-3.ino.partitions.bin" 0xe000 "C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.3.1/tools/partitions/boot_app0.bin" 0x10000 "C:\Users\Administrator\AppData\Local\arduino\sketches\45267CD3CF422CD163E590AF8B86E223/NWI1254-3.ino.bin" 

update logs and issues

• CONN-USB-micro-vertical-dat

ref

• NWI1254-fab

• NWI1254 - NWI1252

• legacy wiki page