Home OpenELAB Bluetooth 4.0 Shield Expansion Shield Board
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB
Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB

OpenELAB Bluetooth 4.0 Shield Expansion Shield Board

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Sale price €17,50

📦 Location of the warehouse: China

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Keyestudio Bluetooth 4.0 Shield Expansion Shield Board - OpenELAB

OpenELAB Bluetooth 4.0 Shield Expansion Shield Board

€17,50

The key studio Bluetooth 4.0 shield is an integration of sensor shield and HM-10 Bluetooth-4.0, fully compatible with UNO R3. So it is very easy to stack it onto the UNO R3 board.
The shield has extended all the digital and analog pins out into 3PIN, simple to connect the sensor using 3PIN wire.
It also come with an HM-10 Bluetooth-4.0 used for Bluetooth communication. The slide switch is used to control the power supply for Bluetooth.
Onboard is set with jumper cap, default by communicating the Bluetooth module to UNO R3 serial port. If connect two jumpers, need to set the virtual serial port for UNO R3 board, that is D2 to TX, and D3 to RX.

Bluetooth 4.0 Parameters

  • Terminal block spacing: 3.5mm

  • Bluetooth protocol: Bluetooth Specification V4.0 BLE

  • No byte limit in serial port Transceiving

  • Realize 100m ultra-distance communication with iPhone4s in open field.

  • USB protocol: USB V2.0

  • Working frequency: 2.4GHz ISM band

  • Modulation method: GFSK(Gaussian Frequency Shift Keying)

  • Transmission power: -23dbm, -6dbm, 0dbm, 6dbm, can be modified by AT command.

  • Sensitivity: ≤-84dBm at 0.1% BER

  • Transmission rate: Asynchronous: 6K bytes ; Synchronous: 6k Bytes

  • Security feature: Authentication and encryption

  • Supporting service: Central & Peripheral UUID FFE0, FFE1

  • Power consumption: Auto sleep mode, stand by current 400uA~800uA, 8.5mA during the transmission.

  • Power supply: 5V DC

  • Working temperature: -5 to +65 Centigrade

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.