By ALICE | 05 June 2024 | 0 Comments

Guangzhou Intelligent Vending Cabinet Exhibition 2024

Smart vending machines (such as unmanned vending cabinets and automated vending machines) typically use weight sensors to monitor the removal and replenishment of goods. Weight sensors provide several key benefits:

  1. Inventory Monitoring: Weight sensors can provide real-time monitoring of the number of items on each shelf inside the vending machine. When items are taken or replenished, the sensors record the weight changes, updating the inventory data accordingly.

  2. Theft Prevention: Weight sensors help detect unauthorized removal of items. If a weight change is detected without a corresponding payment record, the system can trigger an alarm or lock the machine.

  3. Efficient Restocking: Real-time inventory monitoring allows operators to know the stock levels of each vending machine. This enables timely restocking, improving operational efficiency and preventing stockouts.

  4. Checkout: In some advanced smart vending machines, weight sensors can be used for precise checkout. After a customer selects items, the system confirms the type and quantity of items through the weight sensors, automatically calculating the total price.

In summary, the use of weight sensors in smart vending machines enhances automation, improves user experience, and effectively manages inventory.


Weight sensors are used in various emerging smart industries beyond smart vending machines. Here are some examples of other smart industries that utilize weight sensors:

  1. Smart Agriculture: Weight sensors are used in precision farming to monitor the weight of crops, livestock, and feed. They help optimize feeding schedules, monitor crop yields, and ensure livestock health and growth.

  2. Smart Logistics and Supply Chain: Weight sensors are used in automated warehouses to weigh packages and pallets, ensuring accurate shipping and handling. They are also used in smart conveyor systems to manage and sort packages based on weight.

  3. Smart Retail: In addition to vending machines, weight sensors are used in smart shelves and checkout systems in retail stores. These sensors help monitor inventory levels in real-time, enable automated checkout processes, and enhance loss prevention.

  4. Smart Kitchens and Appliances: Weight sensors are integrated into smart kitchen appliances like refrigerators, scales, and cooking devices. They help in monitoring food quantity, ensuring accurate measurements for recipes, and managing grocery lists by tracking item usage.

  5. Smart Healthcare: Weight sensors are used in medical devices such as smart scales, hospital beds, and patient monitoring systems. They help track patient weight changes, manage medication dosages, and monitor the usage of medical supplies.

  6. Smart Waste Management: In waste management systems, weight sensors are used in smart bins to monitor the amount of waste collected. This information helps in optimizing waste collection routes and schedules, reducing operational costs and environmental impact.

  7. Smart Manufacturing: In manufacturing, weight sensors are used in automated production lines to ensure precise measurements of raw materials and finished products. They help maintain quality control and reduce material wastage.

  8. Smart Packaging: In the packaging industry, weight sensors ensure that products are packaged accurately according to weight specifications. This is crucial for maintaining product quality and compliance with regulations.

  9. Smart Transportation: Weight sensors are used in smart transportation systems to monitor vehicle loads, ensuring they do not exceed safety limits. They are also used in toll collection systems to charge vehicles based on weight.

These are just a few examples of how weight sensors are integrated into various smart industries, enhancing automation, accuracy, and efficiency.

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