Hardware Specifications |
Description |
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 |