Wireless Sound Station

Developed, designed, and constructed a small wireless sound station as part of Speakeasy Experience improvements at the Lake Clear Lodge & Retreat.

Type
Client/Job
Timeframe
Jan 2022
 - 
Feb 2022
Status
Complete

Overview

In the winter of 2022, the Lake Clear Lodge & Retreat upgraded their 1920s Speakeasy Dinner Experience, which has a possible raid by a 1920s Copper, by adding sound effects to the raid. However, the primary sound system is located on the first floor, while the "Librarian" that needed to activate the system was located in the basement/Speakeasy.

  • Create a simple, wireless trigger for a predefined set of sound effects
  • Minimum device range of 100 feet through dense walls
  • Repeatable sound effect loops
  • Optional battery power an expansion for more SFX loops
Assembled Wireless Sound System with Transmitter (left) and receiver/player (right).
Assembled Wireless Sound System with Transmitter (left) and receiver/player (right).

How Was It Made?

Assembled wireless sound system with both covers attached.
Assembled wireless sound system with both covers attached.
  • Utilized microcontrollers with NRF24L01 wireless RF transceivers
  • Programmed communication logic and firmware using C++
  • Used SolidWorks to create CAD models
  • Wired, soldered, and assembled transmitter and receiver units in 3D printed cases

Results

CAD model of the sound system receiver and player assembly.
CAD model of the sound system receiver and player assembly.
  • Constructed a transmitter/receiver pair with 200+ foot indoor range
  • Simple trigger-activated sound effect track
  • Repeatable by resetting trigger position
  • Optional belt-mount and battery-operation
Technical Report