⚖ Comparatif : Adafruit Metro ESP32-P4 Hydra vs ESP32 (original, classe ESP32-WROOM-32)
Comparatif des caractéristiques techniques déclarées : Adafruit Metro ESP32-P4 Hydra et ESP32 (original, classe ESP32-WROOM-32) (19 caractéristiques). Voir la fiche complète : Adafruit Metro ESP32-P4 Hydra · ESP32 (original, classe ESP32-WROOM-32).
| Caractéristiques | Adafruit Metro ESP32-P4 Hydra | ESP32 (original, classe ESP32-WROOM-32) |
|---|---|---|
soc | ESP32-P4 Dual-core 32-bit RISC-V @ 360 MHz + 40 MHz low-power core | — |
ram | 768 KB SRAM, 32 KB low-power SRAM, 16 MB PSRAM (external) | — |
storage | 16 MB QSPI NOR Flash | external SPI flash, typically 4 MB (WROOM-32), up to 16 MB; WROVER adds 4–8 MB PSRAM ( |
wifi_bluetooth | ESP32-C6 coprocessor: WiFi, Bluetooth LE 5.3, Thread, Zigbee | — |
ethernet | Ethernet MAC peripheral (no PHY mentioned) | — |
video | 2-lane MIPI DSI display interface, 2-lane MIPI CSI camera interface | — |
usb | USB-C (OTG/Serial/JTAG), USB-A High-Speed Host (480 Mbps) | — |
gpio | Metro/Arduino Uno headers (D0-D13, 6 analog), STEMMA QT, SPI header | 34 usable GPIOs (GPIO34–39 input-only, no pull-ups; GPIO6–11 strapping/flash on older modules — treat as unavailable). Peripherals: 3× SPI, 3× UART, 2× I2C, 1× I2S, SDMMC, 16× LEDC PWM channels (8-bit duty, up to 40 MHz), RMT (8 TX/8 RX), 2× 8-bit DAC (GPIO25/26), touch sensing (10 pads), hall sensor, 12-bit ADC (18 external channels across ADC1/ADC2; ADC2 is unusable while Wi-Fi runs) (ESP32 datasheet ESP-IDF API docs |
power | 7-12V DC barrel jack, USB-C, LiPo battery connector with charging | ultra-low-power modes (modem-sleep, light-sleep, deep-sleep ~10 µA class with RTC timer wake, ULP-sleep) per Espressif's power-management docs ( Wi-Fi TX draws ~ hundreds of mA peaks — design the 3.3 V rail for ≥ 500 mA. |
os | TinyUF2 support, ROM bootloader | — |
dimensions | 72.3mm x 53.3mm x 14.7mm | — |
connectors | microSD (4-bit SDIO), 22-pin MIPI DSI/CSI connectors | — |
peripherals | UART, SPI, I2C, I3C, I2S, PWM, ADC, Touch, SD/MMC, CAN/TWAI | — |
indicators | RGB NeoPixel, User LED (D13), Reset/Boot buttons | — |
cpu | — | dual-core Tensilica Xtensa LX6 @ up to 240 MHz (80/160/240 MHz selectable), plus a ULP协processor on the RTC domain; 520 KB SRAM + 16 KB RTC SRAM, 448 KB ROM ( |
gpu | — | none. |
connectivity | — | Wi-Fi 802.11 b/g/n 2.4 GHz (150 Mbps HT40) + Bluetooth Classic + BLE 4.2; Ethernet (external PHY), CAN 2.0, SDIO, 10/100 MAC ( ESP-IDF docs |
logic_level | — | 3.3 v |
temperature | — | –40 °C to +125 °C (industrial grade, per Espressif product page: |
Adafruit Metro ESP32-P4 Hydra ESP32 (original, classe ESP32-WROOM-32)