LILYGO® TTGO Mini32 Expansion Board ESP32-WROVER-B PSRAM WiFi bluetooth Module Development Board

Feature 1 Core function ESP322 Four wire I2C independent interface one step connection to I2C sensor3 Sensor IR Controller Sensor AS312 Sensor4 Mini profile mini size compact and easy to carryHardware Specifications ChipsetESPRESSIF WROVER B 240MHz Xtensa single dual core 32 bit LX6 microprocessorFLASHQSPI flash 4MB PSRAM8MBSRAM 520 kB SRAMButtonresetPower indicator lampredUSB to TTLCP2104Modular interfaceUART SPI SDIO I2C LED PWM TV PWM I2S IRGPIO capacitor touch sensor ADC DACLNApre amplifierOn board clock40MHz crystal oscillator Working voltage2 7V 3 6VWorking currentabout 30mASleep current10uAWorking temperature range 40℃ 85℃Sizeweight40 27mm 31 07mm 8 13mm 6 42g Power Supply Specifications Power SupplyUSB 5V 1ACharging current500mABattery3 7V lithium batteryWi FiStandardFCC CE RED IC TELEC KCC SRRC NCC esp32 chip Protocol802 11 b g n 802 11n speed up to150Mbps A MPDU and A MSDU polymerization support 0 4S Protection intervalFrequency range2 4GHz 2 5GHz 2400M 2483 5M Transmit Power22dBmCommunication distance300mBluetooth Protocolmeet bluetooth v4 2BR EDR and BLE standardRadio frequencywith 97dBm sensitivity NZIF receiver Class 1 Class 2Class 3 emitter AFHAudio frequencyCVSDSBC audio frequencySoftware specification Wi Fi ModeStation SoftAP SoftAP Station P2PSecurity mechanismWPA WPA2 WPA2 Enterprise WPSEncryption Type AES RSA ECC SHAFirmware upgradeUART download OTA Through network host to download and write firmware Software De