| Hardware Specifications |
Description |
| Chipset |
ESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor |
| FLASH |
QSPI flash 16MB |
| SRAM |
520 kB SRAM |
| Button |
Reset |
| USB to TTL |
CH9102F |
| 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 |