NWI1126-DAT
tech
Pin Definitions
on board ESP32-C3-WROOM-02-dat version == 4MB - ESP-debug-log-dat
#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
PWM driving
const int ch = ledcAttach(pin, LEDC_BASE_FREQ, LEDC_TIMER_BIT);
...
pwmWritePin(G_LED, 0);
...
ledcWrite(pin, actualDuty); // core 3.x: pin-based write
Wiring Diagram
Jumpers
| Jumper Name | Option 1 | Option 2 | Function | Note |
|---|---|---|---|---|
| JP_P | 5V, 12V, etc (ws2812) | 6~28V (top) | board system power supply | |
| JP_L | 5V, 12V, etc (ws2812) | 6~28V (top) | led strip power supply | |
| JP 8 (top) | DAT (ws2812) | Green (bot) | reused pins for WRGB channels or WS2812 | |
| JP 9 (bottom) | GND (ws2812) | Red (bot) | reused pins for WRGB channels or WS2812 | |
| back_jumper | ws2812_dat_3.3V | ws2812_dat_5V (default) | set ws2812 dat pin to 5V output default | default |
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 | position |
|---|---|---|
| JP_P | 6~28V for the board | top |
| JP_L | 5V for the led strip | bottom |
| back_jumper | no need change | default |
| JP_8 | WS2812_data | top |
| JP_9 | WS2812_gnd | top |
common mentioned led strips
12V WS2814
Upgradation
- Programming guide, demo video please refer to page USB-TTL-dat
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
Addon-ons
sensors - sensor-motion-dat
tasmota-dat use guide please see here.
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 logs and issues
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
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
tasmota-dat use guide please see here.
4MB flash - 2MB APP x2, basic-3.ino.partitions.bin file changed
"C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\tools\esptool_py\5.1.0/esptool.exe" --chip esp32c3 --port "COM12" --baud 921600 --before default-reset --after hard-reset write-flash -e -z --flash-mode keep --flash-freq keep --flash-size keep 0x0 "basic-3.ino.bootloader.bin" 0x8000 "basic-3.ino.partitions.bin" 0xe000 "C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.3.1/tools/partitions/boot_app0.bin" 0x10000 "basic-3.ino.bin"
ref
a few common mosfet driver issues can be found in the review and causes here: mosfet-dat
read more information regarding how to use the chip here ESP32-C3-dat - ESP32-C3-WROOM-2-DAT
- NWI1125-DAT
ESP32-dat - code at arduino-esp32-dat