Pin Definitions

#define OM_LED 10 // on module led
#define WS_LED 9 // WS2812, select by jumper

#define addc 0

#define W_LED 4 // white
#define B_LED 5 // blue
#define G_LED 6 // green
#define R_LED 7 //red
  • IO9 button = program mode pin
  • EN button = reset pin
  • programmable LED pin 10

Wiring Diagram

Wiring for RGBW LED Strips

Wiring for WS2812_5V

Jumpers

Jumper Name Option 1 Option 2 Function Note
JP_P 5V 6~28V board system power supply  
JP_L 5V 6~28V led strip power supply  
JP 8 (top) ws2812_dat Green reused pins for WRGB channels or WS2812  
JP 9 (bottom) ws2812_gnd Red reused pins for WRGB channels or WS2812  
back_jumper ws2812_dat_3.3V ws2812_dat_5V set ws2812 dat pin to 5V output default default
  • if you are still confuse, please check the use case at the end of this page.

Programming

Core Module Sch

Peripheral schamtic please refer to NWI1124-DAT

quick test

  • find demo code at https://github.com/Edragon/Arduino-ESP32
  • find your board IP address, verify it in browser: http://192.168.8.165
  • try the test commands to turn off on board prog LED: http://192.168.8.165/io/10/val/0
  • in which, IO is 10 and IO voltage level is 0

Note

  • ESP32-USB-dat failed on code testing, may work or not, consider it is not working if you buy.
  • price discount: 10% for 49-149pcs, 15% for 150pcs+

Update Log

  • New USB footprint to simplified the production process and reduce failure rate
  • Tested USB Functions working fine by customers feedback

Version Logs

2023-1101

custom only

  • C4 = 100uf/10V

ref

jumper setup cases

Case 1: Control RGBW 4 channel LED Strips

  • LED strips power supply 6~28V (12V or 24V)
  • Board power supply 6~28V
jumper name set
JP_P 6~28V (top)
JP_L 6~28V (top)
back_jumper default
JP_8 GNR (bottom)
JP_9 RED (bottom)

Case 2: Control WS2812 LED Strips

  • LED strips power supply 5V
  • Board power supply 6~28V
jumper name set
JP_P 6~28V (top)
JP_L 5V (bottom)
back_jumper default
JP_8 WS2812_data (top)
JP_9 WS2812_gnd (top)

demo video

  • video 3 - use I2C - https://youtube.com/shorts/UG-1v1mZk8A?si=PcT6opcI4V1srDCq
  • video 2
  • running LED Strips at 1A / 24V for 1 hour, the board's temperature raise a little.
  • https://www.youtube.com/shorts/aCjfessCOVM
  • video 1
  • https://twitter.com/electro_phoenix/status/1610204098019880961

Default test firmware

Default firmware, right bottom LED blink, drive common 4ch RGBW LED strip to blink

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