1. Introduction
DSBC-102 is a Bluetooth key finder. The product is developed based on a high performance Bluetooth SoC BK3431 chip. This product can be connected to tuya app to realize the function of two-way object finding.
- Key chain finder
- Anti-lost for the elderly/children
- Anti-lost for the pet
2. Appearance
| Model | Bluetooth | Beeper | Tuya app | Status |
|---|---|---|---|---|
| DSBC-102-1 | ● | ● | ● | MP |
3. Hardware Block Diagram
4. Product Specification
| Item | Performance |
|---|---|
| DSBC-102-1 | |
| Outline Size | φ41mm |
| Net weight | ~30g |
| Main IC | BK3431 |
| Protocol | Bluetooth 4.2 |
| Transmission frequency | 2.400 - 2.4835GHz |
| TX power | 4dBm |
| Receiving Sensibility | -96dBm |
| Transmission distance | ~10meters |
| Average power consumption | <50uA |
| Working voltage: | 2.2~3.6VDC |
| Operation temperature | -10~65°C |
| Storage temperature | -30~85°C |
| Color | Green |
| Built-in battery | CR2032 180mAh |
| Battery life | 2Years （Depends on the mode of operation） |
| IP protection | IP68 |
| Certification | CE, FCC |
| When device has not bound to app | < 10 uA |
| When device has bound to app | < 30 uA |
| When call device from app(device beep) | < 2.5 mA |
| Connection distance | 50 meters in open field |
| Pairing mode lasts time(when press reset button more than 5 seconds ) | 30 seconds |
| When device disconnected with app | Device will be always in advertising mode |
5. Instructions
The product can be configured and used through the tuya app. The following is the operation method of the basic functions. For other further function usage, please refer to the app’s instructions for use.
Step 1: Upload “Tuya” from your APP Store, you can also scan the Qr code below ,and then registered a user.
Step2: Plug it into the power supply, press the reset button more than 5 seconds, until the distribution network indicator flashes.
Step3: Open the Tuya APP and add device, Choose the Anti-lost (BLE) device.
Step4: Press and hold the button on the product until hear a beep. The device will be found in the app as shown in the picture below, and then click the “+”to bonded the device
Step5: Press the call device on the app, the anti-lost device will beep, and the user can find the item according to the position of the sound. In addition, if you press the product button twice in a short time, the phone will start an alarm, so that the phone can be found. Otherwise, when the anti-lost device is far away from the mobile phone, the mobile phone will also send out an alarm indicating that the item is lost
6. Caution
- Being close to a metal object will interfere with the signal, causing the signal to be weaken.
- Note the distance between product and the receiver to guarantee the accuracy of receiving.
- Keep away from the corrosive objects.
7.Installation
With Lanyard accessories, can be wear the product on the neck
8. QA Requirements
| Quality & Testing Information | |
|---|---|
| Information Description | Standard（Yes）Custom（No） |
| ESD Testing | Yes |
| Battery life Testing | Yes |
| RF Antenna Analysis | Yes |
| Environmental Testing | Yes |
| Reliability Testing | Yes |
