- Brand Name: WEMS
- Compatible Brand/Model: None
- T-Block-LED: H413
- T-BLock: H421
- Trolley B Cover: H418
- LED Cover: H419
- T-BLock Host: H420
- T-Block Botton: H424
- Botton Cover: H425
LILYGO® TTGO T-Block ESP32 Main Chip WiFi And Bluetooth Compatible Multifunction Module
| Hardware | |
| Chipset | ESPRESSIF-ESP32 (Wi-Fi & Bluetooth)240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor |
| FLASH | 16MB / PSRAM 8MB |
| SRAM | 520 kB SRAM |
| Button | Switch, Reset |
| USB to TTL | CP2104 |
| Modular interface | I2C |
| On-board clock | 40MHz crystal oscillator |
| Working voltage | 2.7V-3.6V |
| Working temperature range | -40℃ ~ +85℃ |
| Size | 46.47*43*30.44 mm |
| Weight | 27.40g |
|
Power Supply |
|
| Power Supply Input | USB 5V/1A |
| Charging current | 500mA |
| Battery Input | 3.7-4.2V |
| Battery | 3.7V lithium battery |
| JST Connector | 2Pin 1.25mm |
| USB | |
|
Wi-Fi |
|
| Standard | FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip) |
| 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 | Description |
| 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 |
|
| 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 |
