ESP32 WiFi+BT Development Board CH340 with 0.96 OLED Screen Yellow Blue Display

High-concerned chemical : None Type : Wi-Fi Module Origin : Mainland China Brand Name : APWIKOGER WIFI Development Board Module : WIFI BT Development Board Origin : Mainland China Product name : ESP32 WiFi+BT dual-mode development board Interface : MINI, Micro, Type-c (optional) Font color : yellow and blue Size : default 32Mbit BT : BT 4.2 BR/EDR and BLE standards Wi-Fi : 802.11b/g/n/ Supported interfaces : UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DAC On-chip sensors : Hall sensor, temperature sensor, capacitive touch sensor IO ports : 22 Serial port rate : default 115200bps Spectrum range : 2412~2484MHz Antenna form : onboard PCB antenna, gain 2dBi 802.11b : 172dBm(@11Mbps) 802.11g : 142dBm(@54 Mbps) 802.11n : 132dBm(@MCS7) CCK,1Mbps : -90dBm CCK,11Mbps : -85dBm 6Mbps(1/2BPSK) : -88dBm 54Mbps(3/464-QAM) : -70dBm MCS7(65Mbps,72.2Mbps) : -67dBm Power consumption : 300mA@3.3V Security : WPA/WPA2/WPA2-Enterprise/WPS USB power supply : 5V Vin pin power supply : 6.0V-12V