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On board ESP32 module RST reset button and I00 programmable button; 5. Onboard 1 programmable LED and 2 relay indicator lights. Onboard mature and stable ESP32-WROOM-32E module, with a large capacity of 4M BYTE FLASH;.
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.