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Wireless Wrist-Worn LED Communication Device for Noisy Pool Repair Environments

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  • #1 21672758
    X-Pert Pool Service
    Anonymous  
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  • #2 21672759
    Richard Gabric
    Anonymous  
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  • #3 21672760
    Malcolm Whinfield
    Anonymous  
  • #4 21672761
    Richard Gabric
    Anonymous  
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  • #5 21672762
    Phil Dixon
    Anonymous  
  • #6 21672763
    Malcolm Whinfield
    Anonymous  
  • #7 21672764
    X-Pert Pool Service
    Anonymous  
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  • #8 21672765
    Richard Gabric
    Anonymous  

Topic summary

A swimming pool repair technician seeks a wireless wrist-worn LED communication device to enable two-person teams to communicate in noisy environments where voice and hand signals are ineffective due to loud blowers and lack of line of sight. The proposed device would have multiple buttons and corresponding LEDs that light up simultaneously on both units to convey messages. Suggested technical solutions include using non-Bluetooth 2.4 GHz transceivers from manufacturers like Nordic Semiconductor, Texas Instruments, or Microchip, with small loop antennas to mitigate detuning near the body. Linx Technologies offers wireless modules operating between 400 and 900 MHz as alternatives. Design considerations include adherence to radio frequency interference (RFI) standards and ensuring reliable range up to 30 meters. Vibration alerts were recommended for hands-free notification, especially for users who may not constantly watch the LEDs. An acknowledgment system is advised to confirm message receipt and execution, addressing potential wireless link failures. Alternative solutions discussed include wrist-mounted mobile phones, pager systems with multi-button transmitters, and walkie-talkies equipped with external earpieces, microphones, or noise-cancelling headsets to overcome ambient noise challenges. Suppliers mentioned include Elsema and Wavelink, which provide paging and wireless communication products suitable for specialized needs.
Summary generated by the language model.
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