WEMOS LOLIN D32 Pro
The LOLIN D32 Pro uses the ESP32 Microcontroller with the ESP-WROVER chip, adding 4MB psRAM. This board also comes with I2C and TFT ports.
If you just wanted the plain ESP32-WROOM-32 chip version, we also have that here.
By default, the board comes with MicroPython firmware, and includes headers (requires soldering). For support for the 4MB psRAM via SPI, you can either download a pre-built binary to flash, or compile your own to allow a custom RAM configuration.
Of course, you can also program this board with Arduino.
Espressif official ESP32-WROVER module
Lastest ESP32 Version: REV1
Lithium battery interface, 500mA Max charging current
LOLIN I2C port
LOLIN TFT port
TF (Micro SD) Card slot, support SPI mode.
Compatible with Arduino, MicroPython
Default firmware: lastest MicroPython
MacOS and Windows drivers can be found here. Linux will detect the board out of the box.
You can download the micro Python firmware under 'Firmware for ESP32 boards' here. This can be installed on your LOLIN32 Lite using the Python esptool, which is available here. If you're just getting started, we recommend enabling on the device, and downloading the WebREPL web interface to upload edited files. You can also use Adafruit's commandline tool, ampy.
- Support Battery: LiPo 3.7V
- Operating voltage: 3.3v
- Digital I/O pins: 22
- Size: 65mm x 25.4mm
- Weight: 7.5g
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I purchased the Lolin D32 Pro. It is a great little board. My project is still a work in progress. But so far everything is working nicely, including utilsation of the deep-sleep mode to extend battery life when power is not connected.The device was shipped quickly and efficiently. And the price was very competitive for an Australian supplier. No doubt I could have got it cheaper in China, but this was delivered in a couple days. Great value. Will certainly look to SmallDevices for other gear.
I bought the Lolin D32 ESP32 and Lolin D32 Pro ESP32 boards because they have very low deep-sleep current, so it is ideal for projects that need extended battery life. I was able to get it to work very easily in Arduino IDE. The order was Shipped by SmallDevices very quickly after the order was placed. Thank you!