Popis
Vývojová doska od LilyGO so zabudovaným WiFi/Bluetooth modulom ESP32 a GSM modulom SIM800. Jedná sa o veľmi populárne čipy s množstvom návodov, preto je táto vyvojová doska vhodná pre IoT aplikácie.
Súčasťou balenia sú aj piny a antény.
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Špecifikácie:
Specifications | |
Chipset | ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor |
FLASH | QSPI flash 4MB / PSRAM 8MB |
SRAM | 520 kB SRAM |
Button | Reset |
USB to TTL | CP2104 |
Modular interface | 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 | 2.7V-3.6V |
Working current | About 70mA |
Sleep current | About 300uA |
SIM card | Only supports Nano SIM card |
Working temperature range | -40℃ ~ +85℃ |
Size&Weight | 78.83mm*28.92mm*8.06mm(11.77g) |
Power Supply Specifications | |
Power Supply | USB 5V/1A |
Charging current | 500mA |
Battery | 3.7V lithium battery |
JST Connector | 2Pin 2mm |
USB | Type-C |
Wi-Fi | |
Standard | FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC |
Protocol | 802.11 b/g/n(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 | |
Protocol | meet bluetooth v4.2BR/EDR and BLE standard |
Radio frequency | with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH |
Audio frequency | CVSD&SBC audio frequency |
Software specification | |
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 |
/TTGO T-Call V1.3 LilyGO WiFi / Bluetooth / GSM modul IoT fejlesztő modul WiFi, Bluetooth és GSM hálózat támogatásával
Recenzie
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