Details

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Parameter	Description
Module Name	ESP32-WROOM-32D16M
Microcontroller	ESP32-SOLO-1 (single-core)
Operating Voltage	3.0V to 3.6V
Sleep Current	< 5 μA (in deep sleep mode)
Flash Memory	16 MB (SPI Flash)
RAM	520 KB SRAM
Clock Speed	Up to 240 MHz
Wi-Fi Support	IEEE 802.11 b/g/n, WPA/WPA2
Bluetooth Support	Bluetooth 4.2 BR/EDR and BLE
Antenna Type	Onboard PCB antenna
GPIO Pins	34 (including 12 ADC channels)
UART Interfaces	3 (UART0, UART1, UART2)
SPI Interfaces	2 (HSPI, VSPI)
I2C Interfaces	2
I2S Interfaces	2
CAN Interface	1
Touch Sensors	10
Temperature Sensor	Yes
Hall Effect Sensor	Yes
Package Type	Module
Dimensions	24.7 mm × 21.0 mm × 2.1 mm
Weight	1.2 g

Instructions for Use

1. Power Supply: Ensure the operating voltage is between 3.0V and 3.6V. Use an appropriate power supply or battery.

2. Programming: Use a USB-to-UART bridge for programming. The module supports flashing via the serial port using tools like ESPTOOL.

3. WiFi Setup: Configure Wi-Fi settings through the ESP-IDF or Arduino IDE. Connect to networks using standard Wi-Fi protocols.

4. Bluetooth Configuration: Utilize the Bluetooth stack provided by the ESP-IDF to configure classic Bluetooth or BLE functionalities.

5. Pin Configuration: Refer to the pinout diagram in the datasheet to configure GPIOs as needed. Be cautious with pins that share functions (e.g., SPI, I2C).

6. Deep Sleep Mode: Implement deep sleep for low-power applications. Configure wake-up sources such as GPIO changes or timer events.

7. Peripheral Interfaces: Initialize and configure peripherals like UART, SPI, I2C, I2S, and CAN according to your application needs.

8. Sensor Integration: Use built-in sensors (temperature, hall effect) directly in your code for monitoring purposes.

9. Development Environment: Choose a development environment like ESP-IDF for more advanced features or Arduino IDE for ease of use.

10. Documentation and Support: Always refer to the official Espressif documentation for detailed information and troubleshooting tips.

(For reference only)