| Customization: | Available |
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| Type: | Watch |
| Chipset: | Esp32 |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Support payments in USD |
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LILYGO® TTGO T-Watch-2020 ESP32 Main Chip 1.54 Inch Touch Display Programmable Wearable Environmental Interaction
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 |
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Power Supply Specifications |
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| Power Supply | Micro USB (5V/1A) |
| Charging current | The charging current is programmable and self-adjustable (default 350mA) |
| Battery | 3.7V lithium battery |
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Wi-Fi |
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| 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 |
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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 |
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Software specification |
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| 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 |
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