Keyboard ESP32 Programmable Watch Main Chip Hardware with MINI Expansion Keyboard
- Stock: In Stock
- Model: EB0042535
- SKU: EB0042535
More Information:
https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library
https://t-watch-document-en.readthedocs.io/en/latest/index.html
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 , IO36 |
| Extended function | Reference enhanced version and sensor kit |
| 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 |
| Sleep Current | About 1mA |
| Working temperature range | -40℃ ~ +85℃ |
| Size | 91.71 x 70.64 x 25.33mm |
| Weight | 56.23g |
| 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 | USB 5V/1A |
| Charging current | 500mA |
| Battery | 3.7V lithium battery (JST: 2Pin 1.25mm) |
| 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 |
Package includes:
1 x T-Watch with Keyboard
1 x Charging Cable
Shipping Time
After you successfully placed an order at RenhotecIC.com, you will receive a confirmation email with your invoice. Once your order is shipped, you will be emailed with the tracking information of your package. Also, you can choose your preferred shipping method during the checkout process. Kindly advise: please select DHL/FedEx if you need our product urgently.
The timeline of the whole shipping process is shown below:
The total delivery time is calculated from the time your order is successfully placed to the time received. Total delivery time is broken down into processing time and shipping time.
Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.
Shipping time: The time for your item(s) to travel from our warehouse to your destination. The shipping time depends on the shipping method you chose. Please refer to the shipping rate section for details.
Shipping Rates
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:
| Shipping Method | Shipping Rates | Shipping Times |
| Flat Shipping (Promotion) | $10 | About 5-30 Working Days to Worldwide (Only include Monday to Saturday ) |
Standard Express（0.5KG starting price listed） | Based On Weights | About 5-15 Working Days to Worldwide (Only include Monday to Saturday ) |
Priority Express （0.5KG starting price listed） | Based On Weights | About 3-7 Working Days to Worldwide (Only include Monday to Saturday ) |
In addition, the transit time depends on where you're located, the shipping method you choose, and where your package comes from. We will keep you informed of any problems here to help you get your order as soon as possible.
If you want to know more information, please contact the customer service by contact form or sales@renhotecic.com. We will settle your problem as soon as possible. Enjoy shopping!
