ESP LED Board HDK
Enter Into Flash Mode
- Connect the power supply and serial interface: +5V=>+5V (+3V3 can also work but less stable), GND=>GND, TXD=>RXD, RXD=>TXD
- Hold down IO0 button and press RESET button to do power cycle, now module enter into flash mode Please refer to the schematic below
- Upload firmware by arduino or ESP download tools.
Hardware
Schematics, Dimension
Board Definition and jumper select
Power Supply Jumper (2*3 pin header)
- Power supply, use 12V or 24V power supply that can match to LED strip power
Board Pin | Description | Jumper Select |
---|---|---|
27V<VIN>5V | Power supply for board system | 27-5V input (default) OR 5V direct input |
27V<V_LED>5V | Power supply for LED Strip | 27-5V input (default) OR 5V direct input (for WS2812) |
- Notice most LED strips are 12V, and then 24V, please supply either 12V or 24V to board and LED.
RGB/WS2812 output Jumper W B R G V
Board Pin | Jumper Select for RGB (default) | Jumper Select for WS2812 |
---|---|---|
W | Single white channel W1 | - |
B | RGB blue channel (or single white channel W2) | - |
R | RGB green channel (or single white channel W3) | WS2812 Ground |
G | RGB red channel (or single white channel W4) | IO2 Signal |
V | Positive Power Supply OUT V_LED | 12V or 24V |
Pin Definition and Configuration
- Press BTN0 (GPIO0) down, and power up the board, will enter into firmware flash mode
- Following pin definition also compare to H801
ESP8266 Pin | ESP Light Pin | Other similar board pin (H801) |
---|---|---|
15 | R | R - Red |
13 | G | G - Green |
12 | B | B- Blue |
14 | W1 - White | W1 - White |
4 | IIC | W2 - White |
1 | ESP-Tx | Signal green led |
3 | ESP-Rx | ESP-Rx |
5 | IIC | Power red led |
2 | WS2812 signal | ESP-Tx |