Originally shared by ICStation
ESP-32S WiFi Bluetooth Module Dual-Core CPU
$9.99 from http://www.icstation.com/wifi-bluetooth-module-dual-core-ethernet-port-power-bluetooth-3212-p-10380.html
ESP-32 MCU Low-power Bluetooth ESP-3212
Key Features:
CPU and Memory: Xtensa® 32-bit LX6 Dua-core processor, up to 600 DMIPS.
448 KByte ROM
520 KByte SRAM
16 KByte SRAM in RTC.
QSPI can connect up to 4* Flash/SRAM, each flash should be less than 16 Mbytes.
Supply Voltage: 2.2V~3.6V
