UNGA Holdings announced that its subsidiary World Peace has launched a Bluetooth 4.0 BLE multifunctional smart watch solution based on Atmel, ST, TI, and Toshiba. Its functions include environmental perception, health monitoring, data management, and more.
The market size of wearable devices in the next 5 years will reach 50 billion U.S. dollars. From smart watches to fitness trackers, various wearable device markets are showing significant growth. All daily necessities, such as glasses, bracelets, clothes, shoes, and even hats, can use Bluetooth wireless technology to send the collected activity data to the application software of the smartphone or tablet computer, and analyze the data through the cloud. , Feedback to the user life and health tips and other information. And Bluetooth 4.0 BLE technology, which is characterized by low energy consumption and high speed, will soon become a conventional connection solution for wearable technology. To this end, the General Assembly Shiping launched a number of multi-functional smart watch solutions based on Bluetooth 4.0 BLE technology.
Figure 1-Block diagram of the bluetooth 4.0 BLE smart wearable solution
1. The multi-functional smart watch solution based on Atmel ATSAM4L
Figure 2-The functional block diagram of the Atmel ATSAM4L-based multifunctional smart watch based on Atmel ATSAM4L
Function description
â‘ Time recording function: time recording function (year, month, day, week, hour, minute, second), alarm function, stopwatch function.
â‘¡ Temperature measurement function: over-temperature, under-temperature alarm function.
â‘¢ Air pressure measurement function: calculate the altitude based on the air pressure value.
â‘£ Acceleration measurement function: 3-axis acceleration measurement, step counting function, fall monitoring (optional).
⑤ Heart rate measurement function: ECG signal measurement, heart rate data calculation, lead-off monitoring.
â‘¥ OLED display function: display time and date, temperature, air pressure, acceleration data, heart rate.
⑦ Battery management function: battery charge management, battery discharge management.
⑧ Bluetooth data transmission function: transmit temperature data, air pressure data, acceleration data, and heart rate data to BLE devices.
Important features
â‘ Using Atmel ATSAM4LS2BA M4 processor, up to 48MHz;
â‘¡Using TDK ultra-small Bluetooth module;
â‘¢Using NXP PCF8563T low-power CMOS real-time clock/calendar chip;
④The temperature measurement adopts ADI ADT7420 ±0.25°C precision, 16-bit digital I2C temperature sensor;
⑤The pressure measurement adopts EPCOS T5402 digital pressure sensor with a measuring range of 300 hPa ~ 1100 hPa;
â‘¥Acceleration measurement adopts ADI ADXL362 ultra-low power consumption, 3-axis MEMS accelerometer;
⑦Heart rate measurement adopts ADI AD8232 single-lead heart rate monitoring analog front end.
Figure 3-Photo of the multi-functional smart watch solution based on Atmel ATSAM4L of the General Assembly World Peace
Second, the United Nations General Assembly World Peace based on ST STM32L151 light collection monitoring heart rate watch solution
Figure 4-The functional block diagram of a heart rate watch based on ST STM32L151 light collection monitoring
Function description
â‘ Detection of pedometer function: When a person is walking, the step data can be collected according to the change of acceleration.
â‘¡ Heart rate detection: When the green LED light of ADPD142RG is close to the human artery, the heartbeat can be monitored by the reflection of light.
â‘¢ Support Bluetooth low energy 4.0 wireless communication: BlueNRG uses BLE module to send pedometer data and heartbeat detection data to the mobile phone.
Important features
â‘ Adopt ST STM32L151 high-performance ARM Cortex-M3 32-bit core chip, up to 33DMIPS at 32MHz;
â‘¡Use ST BlueNRG to embed BlueNRG4.0 Low-Energy protocol stack Bluetooth network processing chip;
â‘¢Acceleration measurement adopts ST LIS3DH ultra-low power consumption, 3-axis MEMS accelerometer;
â‘£Heart rate monitoring adopts ADI ADPD142RG red and green LED to measure heart rate.
Figure 5-Photo of the General Assembly Shiping based on the ST STM32L151 light collection and monitoring heart rate module
Third, the General Assembly World Peace is based on the ST STM32L151 single-lead heart rate monitoring watch solution
Figure 6-The functional block diagram of the General Assembly Shiping based on the ST STM32L151 single-lead heart rate monitoring watch
Function description
â‘ OLED interface display: The interface will display under different conditions: no connection status, connection status, sleep status, calories, steps, distance, completion degree, warning, reminder (including sedentary reminder, alarm clock), ambient temperature and humidity, Heart rate status, atmospheric pressure, UV intensity, charging display, and 24-hour time display.
â‘¡ Button control function: Through the button, different functions and OLED interface display are controlled.
â‘¢ Data storage function: supports the storage of exercise data and sleep data.
â‘£ Data synchronization function: Synchronize with mobile devices via Bluetooth 4.0.
Important features
â‘ Adopt ST STM32L151 high-performance ARM Cortex-M3 32-bit core chip, up to 33DMIPS at 32MHz;
â‘¡Use ST BlueNRG to embed BlueNRG4.0 Low-Energy protocol stack Bluetooth network processing chip;
â‘¢Acceleration measurement adopts ST LIS3DH ultra-low power consumption, 3-axis MEMS accelerometer;
â‘£The temperature and humidity measurement adopts ST HTS221 capacitive digital sensor;
⑤Heart rate measurement adopts ADI AD8232 single-lead heart rate monitoring analog front end.
Fourth, the General Assembly World Peace is based on TI CC2541 watch solution with pedometer function
Figure 7-The functional block diagram of a watch with pedometer function based on TI CC2541
Function description
â‘ OLED interface display: The interface will display under different conditions: no connection state, connection state, sleep state, calories, steps, distance, completion degree, warning, reminder (including sedentary reminder, alarm clock), charging display, display 24-hour time.
â‘¡ Tap function: tap once, switch display content and tap four times; switch device mode (tracking sleep or tracking exercise).
â‘¢ Data storage function: supports the storage of exercise data and sleep data.
â‘£ Data synchronization function: Synchronize with mobile devices via Bluetooth 4.0.
Important features
â‘ Use TI CC2541 low energy 2.4GHz Bluetooth application SoC solution;
â‘¡Using NXP PCF8563T low-power CMOS real-time clock/calendar chip;
â‘¢Acceleration measurement adopts ADI ADXL345 ultra-low power consumption, 3-axis MEMS accelerometer.
Picture 8-The General Assembly World Ping based on TI CC2541 watch solution with pedometer function photo
Fifth, the General Assembly World Peace is based on the Toshiba TZ1001 highly integrated smart watch solution
Figure 9-The functional block diagram of the Toshiba TZ1001 highly integrated smart watch based on the General Assembly World Peace
Function description
â‘ OLED interface display: the interface will display calories, steps, distance, completion degree, ECG display, pulse display, charging display, and display time under different conditions.
â‘¡ Two function buttons:
• Long press on the left button: turn on or turn off the device;
• Press the left button once: After entering the startup mode, enter the measurement page;
• Press the left button twice: After entering the startup mode, enter the experience page;
• Press the right button once: After entering the startup mode, turn on Bluetooth and connect with the phone.
â‘¢ Data synchronization function: Synchronize time, ECG, pulse, step count and other data with mobile devices via Bluetooth 4.0.
Important features
â‘ Adopt Toshiba TZ1001 which integrates Bluetooth 4.0 conforming to low power consumption, as well as sensors and processors, specially applied to wearable devices;
â‘¡Using Toshiba TC7763, a wireless charging chip that conforms to the Qi wireless charging standard and can achieve an output power of up to 5w;
â‘¢Using Toshiba TCR2DG33 LDO for voltage conversion and power supply to the main chip.
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