LILYGO® TTGO T-Watch Upgraded Version SIM800L GPS LORA Programmable And Networked Open Source Smart Box Wearable Watch Device
Hardware Specifications: Chipset ESP32, dual-core MCU, PMU power management FLASH QSPI flash 16MB SRAM 520 kB SRAM / PSRAM 8MB Button power key IO36 Extended function USB to TTL CP2104 Modular interface UART, SPI, SDIO, I2C, LED PWM PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA On-board clock 40MHz crystal oscillator Working voltage 2.7V-3.6V Working current about 70mA Battery capacity 180mA Sleep current about 3mA Working temperature -40 ~ +85 Size & Weight 46.47 x 43 x 20.4mm 43.19g Display 1.54 inch LCD capacitive touch screen Sensor BMA423 three accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition. RTC clock PCF8563 Power Supply Specifications: Power Supply USB 5V/1A Charging current Customizable programming Battery 3.7V lithium battery 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 0.4S Protection interval Frequency 2.4GHz~2.5GHz(2400M~2483.5M) Transmit Power 22dBm Communication distance 300m Bluetooth Protocol Meet bluetooth V4.2 BR/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 Specifications: 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 Appearance Specifications: T-Watch onboard: - Main chip: ESP32, dual core MCU (Bluetooth / integrated dual mode wifi) PMU power tube - Display: 1.54 inch LCD capacitive - Touch screen chip: FT5206 - Sensor: BMA423 three-axis accelerometer, integrated step number algorithm, activity/tracking recognition, advanced recognition gesture - RTC Watch: PCF8563 Expand the interface: - Support microphone: MSM261S4030H0 - Support SPI TF memory card - 2 digital I/Os: GPIO25, GPIO26 (supports ADC, DAC) - Support I2C, UART, SPI communication protocol Product Details: Accelerometer: - Chip: BMA423 - Latest generation triaxial, low-g acceleration sensor - Ultra-small - Digital interfaces - 2-bit digital resolution and embedded intelligence, - Allows low-noise measurement of accelerations in 3 perpendiculars and thus senses wrist tilt, tab/double tab and enables plug 'n' play step counting especially in wearable devices. Recommended for: - Step-counting in wearable devices - Wake up display on wrist tilt - Low power user interaction by tab/double tab - Advanced gesture recognition - Activity recognition/tracking - Advanced power management - Tilt compensation for electronic compass >>>More Information: Click here to open
