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Nano Sheild. The board uses the 2.4GHz dual mode Wi-Fi and Bluetooth chip ESP-WROOM-32 and 40nm low power technology. The module has 38 pins, more functions than the 30-pin module, compatible with the board supports Lua program, easy to develop.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.