ESP32-CAM è una scheda di sviluppo compatta basata su ESP32 che integra un modulo camera per progetti IoT. Usa il SoC Wi‑Fi ESP32 per acquisire immagini e, in genere, offrire una semplice interfaccia web e trasmettere i frame su rete. La programmazione si fa di solito tramite un’interfaccia di bootloader seriale con Arduino IDE o ESP-IDF, con la camera collegata all’ESP32 tramite il circuito camera integrato.
| Pin | Segnale | Descrizione |
|---|---|---|
5V |
power | 5 V power input for the ESP32-CAM board regulator. |
GND |
ground | Ground reference for power and all logic signals. |
IO12 |
digital | ESP32 GPIO12; usable digital I/O, also a boot strapping pin. |
IO13 |
digital | ESP32 GPIO13; usable digital I/O, often available after camera setup. |
IO15 |
digital | ESP32 GPIO15; usable digital I/O, also a boot strapping pin. |
IO14 |
digital | ESP32 GPIO14; usable digital I/O, commonly used as HSPI clock if needed. |
IO2 |
digital | ESP32 GPIO2; digital I/O and boot strapping pin, keep state valid at reset. |
IO4 |
digital | ESP32 GPIO4; digital I/O, commonly connected to the onboard flash LED. |
3V3 |
power | 3.3 V rail for ESP32 logic; use only for low-current external loads. |
IO16 |
digital | ESP32 GPIO16; usable digital I/O, limited by board/camera resource use. |
IO0 |
digital | Boot mode pin; pull low during reset to enter serial flashing mode. |
GND.1 |
ground | Ground reference for power and serial/programming connections. |
VCC |
power | Board supply pin, typically used as a 5 V/VCC power rail depending on module wiring. |
U0R |
RX | UART0 receive input for serial programming and console; connect to USB-serial TX. |
U0T |
TX | UART0 transmit output for serial programming and console; connect to USB-serial RX. |
GND.2 |
ground | Ground reference pin near UART header for programming and external circuits. |
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