0.66 Inch OLED + Wemos Mini D1 ESP32 CP2104 ESP32S WIFI Bluetooth 64x48 Arduino

ESP-WROOM-32 is Powered by Espressif’s most advanced SoC, the ESP-WROOM-32 features high performance, a wide range of peripherals, Wi-Fi and Bluetooth radio, which provide a complete solution tailored to advanced IoT applications.240 MHz dual core Tensilica LX6 microcontroller with 600 DMIPS Integrated 520 KB SRAM Integrated 802.11BGN HT40 Wi-Fi transceiver, baseband, stack and LWIP Integrated dual mode Bluetooth (classic and BLE) 16 MByte flash 2.2V to 3.6V operating voltage -40°C to +125°C operating temperature On-board PCB antenna / IPEX connector for external antenna Supports sniffer, station, softAP and Wi-Fi direct modes Max data rate of 150 Mbps@11n HT40, 72 Mbps@11n HT20, 54 Mbps@11g, and 11 Mbps@11b Maximum transmit power of 19.5 dBm@11b, 16.5 dBm@11g, 15.5 dBm@11n Minimum receiver sensitivity of -98 dBm 135 Mbps UDP sustained throughput 2.5 µA deep sleep current Wi-fi 802.11 b/g/n/e/i 802.11 n (2.4 GHz), up to 150 Mbps 802.11 e: QoS for wireless multimedia technology