Projet de SmartWatch.

Pour quoi faire ?

Applications

• Horloge
• Météo
• Notifications
• Pedometre
• Battements de coeur
• Audio Control / Playback Control
• OSM navigation

Modèles

Hackable

LilyGo TTGO T-Watch

• Official doc
• English
• Firmware

Reviews:

• https://tech.scargill.net/lilygo-ttgo-esp32-t-watch-2020/
• https://www.cnx-software.com/2020/05/17/lilygo-ttgo-t-watch-2020-is-a-nicer-looking-arduino-programmable-esp32-watch/

Doc :

• Power

Applications :

• https://my-ttgo-watch.co.uk/

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：2.4GHz2.5GHz(2400M2483.5M)
• 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

Pine Time

• Site officiel
• Firmware

Spécifications :

• Square 1.3-inch 240×240 IPS capacitive touch display
• Software: Any open-source operating systems built on top of numerous RTOSes
• SoC: Low-power Nordic Semiconductor nRF52832
  • 64 MHz + Floating Point
• 4 MB of User Storage
  • 0.5 MB of OS Storage
• Bluetooth 5 & Bluetooth Low Energy
  • Compatible with almost any device
  • Over-the-air update
• Health Tracking
  • Step Counting (with Accelerometer)
  • Heart Rate Detection
• Notification access
  • Wrist vibration
  • Quick glance via lift-to-wake.
• All-week 180 mAh battery
  • 2-pin USB charging dock
• Solid build
  • Dimensions: 37.5mm x 40mm x 11mm
  • Weight: 38 grams
  • Made with Zinc Alloy and Plastic
  • Dustproof and water-resistant up to 1m (Rated at IP67)

Idées

Faces

• Tron
• Jarvis