The ESP32-Wroom-32D is a powerful module that contains an ESP32-D0WD chip on board. It is a popular choice for users looking to integrate an ESP32-based solution into their final products. One important aspect of this module is its flash memory size. This article covers ESP32-Wroom-32D flash size in detail.
What is ESP32-Wroom-32D
The ESP32-Wroom-32D module has an ESP32-D0WD chip on board, which has a smaller footprint than the ESP32-D0WDQ6 installed in the ESP32-Wroom-32. This module contains a crystal oscillator and antenna matching circuit. This module is also part of the ESP32 famous series.
ESP32-WROOM-32D / ESP32-WROOM-32U
The modules have an ESP32-D0WD chip and come in a smaller size than the ESP32-WROOM-32. They have a default 4MB flash and can be ordered with custom flash sizes of 8 or 16 MB. The “D” version has a MIFA antenna, while the “U” version has a U.FL/IPEX antenna connector, making it 6.3 mm shorter than the “D” version and the smallest module in the WROOM/WROVER family.
What is Flash Memory
Flash memory is a type of non-volatile storage that can be electrically erased and reprogrammed. Flash memory is utilized in different electronic gadgets like PCs, tablets, and digital cameras. The presence of flash memory enables these devices to retain data even in the absence of a power supply.
Flash Size of ESP32-Wroom-32D
By default, the ESP32-Wroom-32D module has 4 MB of flash memory. This means that it can store up to 4 MB of data even when it is powered off.
Custom Flash Sizes
In addition to the default 4MB flash size, the ESP32-Wroom-32D module can also be ordered with custom flash sizes of 8 or 16 MB. This allows us to choose the amount of flash memory that best fits the project’s needs.
Official Documentation
Read more about the ESP32-WROOM-32D in the official documentation:
ESP32-WROOM-32D / ESP32-WROOM-32U Datasheet (PDF)
Conclusion
The ESP32-Wroom-32D module comes with a default flash size of 4MB, but it can also be customized with larger flash sizes of 8 or 16MB, providing users with the flexibility to choose the amount of flash memory that suits their specific requirements. Read more about the description of ESP32-Wroom-32D flash size in this write-up.
