Hardware Specifications
Chipset ESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor
FLASH QSPI flash 4MB
SRAM 520 kB SRAM
Button Reset
USB to TTL CP2104
Interface UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO,ADC, capacitor touch sensor, DACLNA pre-amplifier
Display IPS ST7789V 1.14 Inch
Working voltage 2.7V-4.2V
Working current About 60MA
Sleep current About 120uA
Working temperature range -40C~+85°C
Size & Weight 51.52 x 25.04 x 8.54mm(7.81g)
Power Supply Description
Power Supply USB 5V/1A
Charging current 500mA
Battery 3.7V lithium battery
JST Connector 2Pin 1.25mm
USB Type-C
Wi-Fi Description
Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Protocol 802.11 b/g/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU polymerization, support 0.4us Protection interval
Frequency range 2.4GH2~2.5GHz(2400M-2483.5M)
Transmit Power 22dBm
Communication distance 300m
Bluetooth Description
Protocol Support bluetooth V4.2BR/EDR and BLE standard
Radio frequency With -97dBm sensitivity NZIF receiver Class-1, Cl ass-2 & Class-3 emitter AFH
Audio frequency CVSD&SBC audio frequency
Software Description
Wi-Fi 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
Package includes:
1 x Development board with pins
1 x Battery cable
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