Put It Back
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In recent years, many people have experienced theft of their belongings, especially in public places or crowded areas, making them an easy target for thieves. To help people protect their belongings more easily, an innovative device has been introduced on the market, allowing users to safeguard their belongings without fear of being stolen.
This device is called the "Anti-theft Alert", and its function is to automatically emit an alarm sound or display a warning message when the item it is attached to is moved or taken away, alerting the user that their belongings are being stolen. Moreover, this device can be easily placed on items such as handbags, luggage, waist packs, bicycles, and so on. Users simply need to clip it onto the appropriate position of their item to protect their belongings anytime and anywhere.
The design of the Anti-theft Alert is very simple, consisting mainly of a photoresistor and a small electronic chip. When users clip the device onto their belongings, the photoresistor will be triggered when someone moves the item, sending a signal to the electronic chip, which will then display a message or emit an alarm sound, alerting the user that their belongings are being stolen.
The advantages of the Anti-theft Alert are not only its ease of use and high sensitivity but also its energy-saving feature. It only requires a small and thin battery to operate, and under normal usage, the battery life can last for several years, eliminating the need to frequently replace the battery.
The price of the Anti-theft Alert is also very affordable, costing less than a hundred dollars for a reliable device, making it a great tool for safeguarding your belongings. If you often go to crowded places or use public transportation frequently, the Anti-theft Alert is definitely one of the theft prevention tools you cannot afford to miss.
Supplies
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1.arduino UNO*1
2.Photoresistance*2
3.servo motor*1
4.plastic sheet*1
5.resistance*1
6.Hot glue gun*1
7.utility knife*1
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1.Draw your favorite characters and cut them with a raspberry cutter
2.connect circuit
3.Plastic sheet cut out 6 pieces 20*20 cm and 1 piece 20*6 cm
4.Assemble the plastic sheet
5.configuration circuit