Here is where the Libraries APIâs descriptions are located:
Supported PeripheralsïCurrently, the Arduino ESP32 supports the following peripherals with Arduino APIs.
Peripheral
ESP32
C3
C6
H2
P4
S2
S3
Notes
ADC
Yes
Yes
Yes
Yes
Yes
Yes
Yes
BT Classic
Yes
N/A
N/A
N/A
N/A
N/A
N/A
BLE
Yes
Yes
Yes
Yes
No
N/A
Yes
DAC
Yes
N/A
N/A
N/A
Yes
Yes
N/A
Ethernet
Yes
N/A
N/A
N/A
Yes
N/A
N/A
GPIO
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Hall Sensor
N/A
N/A
N/A
N/A
N/A
N/A
N/A
I2C
Yes
Yes
Yes
Yes
Yes
Yes
Yes
I2S
Yes
Yes
Yes
Yes
Yes
Yes
Yes
LEDC
Yes
Yes
Yes
Yes
Yes
Yes
Yes
MIPI
N/A
N/A
N/A
N/A
No
N/A
N/A
Motor PWM
No
N/A
N/A
N/A
N/A
N/A
N/A
MSPI
N/A
N/A
N/A
N/A
No
N/A
N/A
Pulse Counter
No
No
No
No
No
No
No
RMT
Yes
Yes
Yes
Yes
Yes
Yes
Yes
SDIO
No
No
No
No
No
No
No
SDMMC
Yes
N/A
N/A
N/A
N/A
N/A
Yes
Timer
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Temp. Sensor
N/A
Yes
Yes
Yes
Yes
Yes
Yes
Touch
Yes
N/A
N/A
N/A
Yes
Yes
Yes
TWAI
No
No
No
No
No
No
No
UART
Yes
Yes
Yes
Yes
Yes
Yes
Yes
USB
N/A
Yes
Yes
Yes
Yes
Yes
Yes
Wi-Fi
Yes
Yes
Yes
N/A
Yes
Yes
Yes
ESP32-P4 calibration schemes not supported yet in IDF and ADC Continuous also lacks IDF support.
SPI Ethernet is supported by all ESP32 families and RMII only for ESP32 and ESP32-P4.
ESP32-C3, C6, H2 only support USB CDC/JTAG
ESP32-P4 only supports Wi-Fi through another SoC by using esp_hosted
.
Note
Some peripherals are not available for all ESP32 families. To see more details about it, see the corresponding SoC at Product Selector page.
APIsïThe Arduino ESP32 offers some unique APIs, described in this section:
Note
Please be advised that we cannot ensure continuous compatibility between the Arduino Core ESP32 APIs and ESP8266 APIs, as well as Arduino-Core APIs (Arduino.cc). While our aim is to maintain harmony, the addition of new features may result in occasional divergence. We strive to achieve the best possible integration but acknowledge that perfect compatibility might not always be feasible. Please refer to the documentation for any specific considerations.
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