M5Stack Limit Switch Unit
📦 Location of the warehouse: Munich
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M5Stack Limit Switch Unit
The Limit Unit is a limit switch sensor designed to provide limit protection in various mechanical equipment applications. When the switch bar of the unit is pressed or activated, it triggers a change in the digital signal from 3.3V to 0V.
This change in signal serves as a limit signal that can be utilized by microcontrollers (MCUs) or other peripheral devices. By monitoring this signal, the MCU or peripherals can detect the limit point or position of the mechanical equipment and take appropriate actions or initiate limit protection measures.
The Limit Unit is commonly used to prevent mechanical systems from exceeding their safe operating limits. When the switch bar is pressed, it indicates that a specific limit has been reached, such as the end of travel, maximum extension, or a critical position. This information can be used to trigger immediate actions, such as stopping the equipment, activating safety mechanisms, or sending alerts.
The unit's simple design and compatibility with digital signals make it easy to integrate into various mechanical systems and control setups. It provides a reliable and straightforward method for implementing limit protection in equipment that requires precise position monitoring or boundary detection.
Product Features
- Contact limit switch
- Long durability, up to 400K times lifetime
- Multiple installation methods
Includes
- 1x Unit limit
- 1x HY2.0-4P Cable (20cm)
Application
- Stop switch/Limit switch
Specification
| Spec | Parameter |
|---|---|
| Switch Bar Length | 16mm |
| Mechnical Lifetime | 400K Times |
| Power Supply | DC 5V |
| Output Logical Signal | DC 3.3V |
| Standby Current | DC5V@2mA |
| Operation Current | DC5V@3mA |
| Net Weight | 6.3g |
| Gross Weight | 11.4g |
| Product Size | 37 * 24 * 9.5mm |
| Package Size | 92 * 135mm |
Effective Date: March 27, 2025
At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 60 days of the shipment date.
1. Warranty Disclaimer
Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.
2. Warranty Policy
Warranty Period
The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.
Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.
If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.
After the warranty period, support may still be available at a reasonable fee.
Warranty Exclusions
The warranty does not apply in the following cases:
- The product is beyond the 12-month warranty period.
- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
- Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
- Unauthorized repair attempts by the customer.
- The product is not defective but has been opened and is non-returnable by policy.
3. Returns & Refunds
If you're not satisfied with your purchase, you may be eligible for a return or exchange:
- Return for Refund: Within 15 days of receipt (unopened).
- Return for Replacement: Within 30 days of receipt (damaged or defective).
- Exchange Window: Up to 30 days from receipt.
Please email us at info@openelab.io for a return authorization before sending anything back.
Return Conditions
- Items must be in original, clean, and mint condition with packaging intact.
- Returns of damaged, used, scratched, modified, or programmed items will not be accepted.
- Include the receipt, a brief note with your name, order number, and reason for return.
Shipping & Fees
- Customers are responsible for return shipping to our warehouses in Europe, the US, or China.
- Refunds may be subject to additional shipping fees unless the return is due to our error.
- A flat €8 shipping fee will be deducted for returned items that originally qualified for free shipping.
Payment Platform Fees
For refunds processed through third-party platforms such as PayPal or Braintree, a standard 3.5% service fee may be deducted to cover payment processing costs.
