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Hardware Specifications 1. Chipset: ESPRESSIF-ESP32 240MHz Xtensa single-/dual-core 32-bit LX6 microprocessor 2. FLASH: QSPI flash 4MB 3. SRAM: 520 kB SRAM 4. Button: Reset 5. USB to TTL: CP2104 6. Modular interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, ADC, DACLNA pre-amplifier 7. Display: IPS ST7789V 1.14 Inch 8. Working voltage: 2.7V-4.2V 9. Working current: About 67MA 10. Sleep current: About 350uA 11. Working temperature range: -40 degree C~ +85 degree C 12. Size: 51.52x25.04x8.54mm 13. Weight: 7.81g
Power Supply Specifications 1. Power Supply: USB 5V/1A 2. Charging current: 500mA 3. Battery: 3.7V lithium battery 4. JST Connector: 2Pin 1.25mm 5. USB: Type-C
Wi-Fi 1. Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC esp32chip 2. Protocol: 802.11 b/g/n(802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4uS Protection interval 3. Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M) 4. Transmit Power: 22dBm 5. Communication distance: 300m
Bluetooth 1. Protocol: Meet bluetooth v4.2BR/EDR and BLE standard 2. Radio frequency: With -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH 3. Audio frequency: CVSD&SBC audio frequency
Software specification 1. Wi-Fi Mode: Station/SoftAP/SoftAP+Station/P2P 2. Security mechanism: WPA/WPA2/WPA2-Enterprise/WPS 3. Encryption Type: AES/RSA/ECC/SHA 4. Firmware upgrade: UART download/OTA (Through network/host to download and write firmware) 5. Software Development: Support cloud server development / SDK for user firmware development 6. Networking protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT 7. User Configuration: AT + Instruction set, cloud server, android/iOSapp 8. OS: FreeRTOS
