Details

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BUY ESP-WROOM-32 https://www.utsource.net/itm/p/12553484.html

Parameter	Description
Module Name	ESP-WROOM-32
Microcontroller	ESP32-D0WDQ6 (Dual Core)
Operating Voltage	3.3V
Operating Current	<150mA (Active Mode), <10μA (Deep Sleep Mode)
Flash Memory	4MB (SPI Flash)
PSRAM	8MB (optional)
Wi-Fi	802.11 b/g/n, HT20/HT40, 2.4GHz, WPA/WPA2, WPS
Bluetooth	Bluetooth 4.2, BLE (Bluetooth Low Energy)
Antenna	Onboard PCB Antenna or External Antenna (U.FL connector)
GPIO Pins	34 (including 2 ADC, 2 DAC, I2C, SPI, I2S, UART, PWM)
Temperature Range	-40°C to +125°C
Dimensions	24.0mm x 18.0mm x 2.5mm
Weight	1.7g
Supply Voltage Range	2.3V to 3.6V
Power Consumption	<150mA (Active Mode), <10μA (Deep Sleep Mode)
Package Type	LGA (Land Grid Array)

Instructions for Use

1. Power Supply:

   • Ensure the module is powered with a stable 3.3V supply.
   • The module can operate within a voltage range of 2.3V to 3.6V.

2. Pin Configuration:

   • Refer to the pinout diagram for correct pin connections.
   • GPIO pins can be used for various functions including digital I/O, analog input/output, and communication protocols like I2C, SPI, UART, and I2S.

3. Programming:

   • Use the ESP-IDF (Espressif IoT Development Framework) or Arduino IDE to write and upload code.
   • Connect the module to your computer using a USB-to-serial converter or a development board that supports the ESP32.

4. Wi-Fi and Bluetooth:

   • Configure Wi-Fi and Bluetooth settings in your code using the appropriate libraries.
   • Ensure the antenna is properly connected for optimal performance.

5. Sleep Modes:

   • Utilize sleep modes (Light Sleep, Deep Sleep, etc.) to reduce power consumption.
   • Configure the wake-up sources and timing as needed.

6. Heat Dissipation:

   • The module can generate heat during active operation. Ensure adequate cooling, especially in enclosed environments.

7. Firmware Updates:

   • Regularly update the firmware to benefit from the latest features and security patches.
   • Follow the official Espressif documentation for firmware update procedures.

8. Storage and Handling:

   • Store the module in a dry, static-free environment.
   • Handle the module with care to avoid damage to the delicate components.

9. Troubleshooting:

   • If the module does not respond, check the power supply, connections, and firmware.
   • Refer to the Espressif support forums and documentation for additional troubleshooting tips.

For detailed technical specifications and advanced usage, refer to the official Espressif documentation and datasheets.

(For reference only)