Wemos ESP32 Wifi + Bluetooth Module Development
Hardware: Specifications
Chipset: ESPRESSIF-ESP32-WROVER 240MHz Xtensa® dual-core 32-bit LX6 microprocessor
FLASH: QSPI 4MB Flash / 8MB PSRAM
SRAM : 520 kB SRAM
KEY: Reset, BOOT
Switch: BAT switch
Power indicator lamp: Red
USB to TTL: CP2104
Modular interface: SD card, UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor
touch sensor, ADC, DACLNA pre-amplifier
On-board clock: 40MHz crystal oscillator
Working voltage: 2.3V-3.6V
Working current: about 40mA
Sleep current: 1mA
Working temperature range: -40℃ ~ +85℃
Size: 91.10mm*32.75mm*19.90mm
Power Supply: Specifications
Power Supply: USB 5V/1A
Charging current: 1000mA
Battery: 3.7V lithium battery
Wi-Fi: Description
Standard: FCC/CE/TELEC/KCC/SRRC/NCC
protocol: 802.11 b/g/n/e/i (802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4μS Protection interval
Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power: 22dBm
Communication distance: 300m
bluetooth: Description
Protocol: Meet bluetooth v4.2BR/EDR and BLE standard
Radio frequency: With -98dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
Audio frequency: CVSD&SBC audio frequency
Software specification: Description
Wifi Mode: Station/SoftAP/SoftAP+Station/P2P
Security mechanism: WPA/WPA2/WPA2-Enterprise/WPS
Encryption Type: AES/RSA/ECC/SHA
Firmware upgrade: UART download/OTA(Through network/host to download and write firmware)
Software Development: Support cloud server development /SDK for user firmware development
Networking protocol: IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
User Configuration: AT + Instruction set, cloud server, android/iOSapp.
OS: FreeRTOS.
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