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WEMOS-D32
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The Wemos LOLIN D32 is the Wemos platform succeeding the D1 Mini based on ESP8266.
With the D32, you have an ESP32 (WROOM-32) with 4MB of Flash memory, ideal for projects using Arduino IDE or MicroPython. The D2 is also delivered with MicroPython preloaded on the board.
With this board, you have:
The advantage of this board is that it also has an automatic activation of the bootloader. No need to press the Reset button to upload a soft from Arduino IDE.
The board also has a JST PH connector for the connection of a Lipo Battery (see our range of batteries). Recharging the battery is supported by a TP4054, an LED indicates when the battery is charging (when the board is connected via USB).
Finally, it is possible to have an indication of the charge on the IO35 since the battery is connected to it via a voltage divider bridge 100 KOhms - 100 KOhms. The battery voltage is therefore halved.
Note that the platform is primarily powered by USB if it is connected (it is the battery charge which is privileged in this case).
The board operates in 3.3V logic, voltage regulated by the ME6211 regulator capable of producing a maximum current of 500mA.
However, the board is designed to be powered in 5.0V via USB (or a Lipo battery)
The board can therefore be powered:
Note that as designed, it's not possible to deactivate the voltage regulator since its EN pins are not accessible in breakout.
On the other hand, the ESP32 can be deactivated by placing its EN pin to the ground!
The Wemos LOLIN D32 + a set of male connectors that you can weld on your board.
See product images