WS2811 12 V addressable LED strip con ESP32
Alimentazione 12 V
Bus GPIO
Pin e collegamento all’ESP32
| Pin | Ruolo | Pin ESP32 | Note |
|---|---|---|---|
| 12V | Non collegato all’ESP32 | — | 12 V from a separate supply. Never to the ESP32 |
| DIN | Ingresso (lo pilota l’ESP32) | D25 | Data in. A 3.3 V to 5 V level shifter makes it reliable |
| GND | Massa | GND | Share it with the 12 V supply and the ESP32 GND |
Collegamento consigliato per l’ESP32 DevKit a 30 pin, evitando i pin della flash, di sola lettura e di strapping. BoardPilot lo controlla mentre colleghi.
Codice di partenza (Arduino)
void setup() { pinMode(25, OUTPUT); } // DIN
void loop() {
digitalWrite(25, HIGH);
delay(500);
digitalWrite(25, LOW);
delay(500);
}
Fonti
- Worldsemi WS2811 datasheet, One IC drives 3 LEDs (one pixel); data input high level 0.7 × VDD
Provalo in 3D in BoardPilot
Componenti simili
7-segment 4 digits 0.56" common cathode (12 pins)7-segment digit 0.56" common anode7-segment digit 0.56" common cathodeLCD 16x2 (parallel, 16 pins)LED bar graph 10 segmentsNeoPixel Stick 8 LEDs
Dati dei componenti: CC BY 4.0, riutilizzabili citando BoardPilot.