About T-WATCH-2020:
T-WATCH-2020 has three versions now, T-WATCH-2020 v1 version (this item), T-WATCH-2020 V2 version (Product ID: 1823064), and T-WATCH-2020 V3 version (Product ID: 1823085), where V3 is T-WATCH-2020 V1 based on the addition of PDM Microphone, T-WATCH-2020 V2 version replaces the function of MAX98357 of V1 version with GPS function and expands to TF card holder.
DRV2605L tactile motor control is added to the vibration motor function, and multiple vibration modes can be set.
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 (default 350mA) |
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 0.4μS 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 |
Note: This PCB does not support extended functions, if you need extended functions, you can choose the old version like these:
| T-Watch Version | Product ID (Click to buy) |
| Basic version | Product ID: 1501125 |
| With Keyboard version | Product ID: 1671817 |
| T-Watch Upgraded Version | Product ID: 1551855 (Black) |
| T-Watch Upgraded Version | Product ID: 1551854 (White) |
| T-Watch 7-in-1 Sensor Development Kit Version | Product ID: 1671639 |
| T-Watch 14-in-1 Sensor Development Kit Version | Product ID: 1553613 |
| With Snail Speaker Version | Product ID: 1609382 |
| T-Quick T-Watch Motor Ball Version | Product ID: 1609464 |
| T-Watch-2020 Black | This item |
| T-Watch-2020 White | Product ID: 1712764 |
| T-Watch Keyboard | Product ID: 1671817 |
| T-Watch-K210 AI Face | Product ID: 1691936 |
| T-Watch S78G GPS LORA | Product ID: 1792001 |
| T-Watch for LEG0 | Product ID: 1742743 |
| T-Watch Game Console | Product ID: 1778005 |
| T-Watch SIM868 Version | Product ID: 1742729 |
| T-WATCH K210 AIOT Handheld | Product ID: 1742074 |
More Information:
https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library
https://t-watch-document-en.readthedocs.io/en/latest/index.html
Package includes:
1 x T-Watch-2020
1 x Micro USB Charging Cable