LILYGO TTGO T-Watch-2020

Product Description

Hardware Specifications

• Chipset:ESP32, dual-core MCU, PMU power management
• FLASH:QSPI flash 16MB
• SRAM:520 KB SRAM / PSRAM 8MB
• Button:Power key
• USB to TTL:CP2104
• On-board clock:40MHz crystal oscillator
• Working voltage:2.7V-3.6V
• Working current
• Sleep current
• Working temperature range:-40℃ ~ +85℃
• Weight:58.5g
• Display: 1.54 inch LCD capacitive touch screen
• Sensor: BMA423 three-axis accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition.
• RTC clock : PCF8563

Power Supply Specifications

• Power Supply:Micro USB (5V/1A)
• Charging current:The charging current is programmable and self-adjustable
• Battery：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 0.4μS 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

Shipping List

• 1 X T-Watch-2020(Black)
• 1 X Micro USB Charging Cable