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uPesy ESP32 Boards

The ESP32 is one of the most powerful and complete microcontrollers commonly used in the DIY and makers world.

It has everything a classic microcontroller has: GPIO, PWM, Timer, ADC, DAC, I2C, SPI, PWM, and SD with WiFi and Bluetooth and a low power mode.

Here is a comparison of the different uPesy boards based on an ESP32:

uPesy ESP32 Boards comparison

ESP32 Wroom Devkit

ESP32 Wrover Devkit

ESP32 Wroom Low Power

../_images/icon-upesy-esp32-wroom-devkit-rev-2.jpg
../_images/icon-upesy-esp32-wrover-devkit-rev-2.jpg
../_images/icon-upesy-esp32-low-power-devkit-overview.jpg

Usage

Multipurpose (basic model)

WEB server, handling large files (home automation server)

To consume very low energy with a battery in Deep Sleep (connected sensors)

ESP32 Module

ESP32 WROOM

ESP32 WROVER

ESP32 WROOM

Internal RAM

520 Ko (328 Ko usable)

520 Ko (328 Ko usable)

520 Ko (328 Ko usable)

External RAM

No

Yes → 4Mo

No

Flash Size

4Mo

4Mo

4Mo

Usable Pins

32/32

30/32

31/32

Power Path for Deep Sleep

0

0

2

Deep Sleep Consumption (4.2V)

<1.5 mA

<1.5 mA

<15 µA

USB connector

USB C

USB C

USB C

Breadboard compatibility

Yes

Yes

Yes

Board size (without connectors)

27.5mm x 58mm x 5mm

27.5mm x 58mm x 5mm

27.5mm x 58mm x 5mm

Battery support

No

No

Yes, with a builtin LiPo charger

Blue LED connected to GPIO2

Yes

Yes

No

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