Both have a 0.96″ color LC display, but the O1 only has Bluetooth and requires a smartphone ... efforts and to provide incentives. The WiFi feature of the Mini appears to be for both firmware ...

While we are used to USB WiFi adapters ... and it works on the entire ESP32 lineup, through an SDIO or even SPI interface! It supports 802.11b/g/n and even Bluetooth, up to BLE5, either over ...

"Tarlogic Security has detected a backdoor in the ESP32, a microcontroller that enables WiFi and Bluetooth connection and is present in millions of mass-market IoT devices," reads a Tarlogic ...