SoundBytes CTC Bell
SND-CTCBELL
The SoundBytes CTC Bell is a simple, fully self-contained sound module that plays a single stroke bell from a US&S Model 506 CTC console.
Features
- Recorded from an actual bell off a US&S Model 506 CTC
console
- Integrated speaker & volume control
- Easy to install and use
- Powered from 5 to 24VDC
Note: Please do not use old model railroad power packs as a DC supply.
These often produce large output spikes far in excess of their
nameplate voltage ratings, are not suitable for powering modern
electronics, and will damage SoundBytes modules. Please read this article for more details.
Thank you to Seth Neumann of Model Railroad Control Systems for providing the recording used to make this bell!
Electrical Connections
The SoundBytes module needs 5-24 volts of clean direct current (DC) power to operate. Connect the white wire to GND to activate a single ring of the bell. Leave the white wire disconnected when not in use.
Red Wire = 5V to 24V
Black Wire = GND
White Wire = GND to activate
The volume can be adjusted by using a small screwdriver to turn the white, square potentiometer on the PCB.
Here is an example showing the SoundBytes module connected to a toggle switch:
Specifications
1.25"(L) x 1.25"(W) x 1.25"(H)
Documents
The complete gEDA design files are available on GitHub.
-
$22.00
- 6 in stock
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News & Application Notes
20% off all SoundBytes!
Simple SoundBytes Switching
We’ve gotten the question a number of times about how to turn the SoundBytes modules on and off with a switch. It’s actually really easy, but since the question gets asked, I figured I’d do a very quick write-up on it.
First of all, the module requires a clean DC power supply of between 5 and 24 volts. (Note: PLEASE do not use old toy train power packs for this. They do not provide clean DC power, and it’s often far, far over the ratings of the module. Please read this for more details.) The positive side connects to the red wire, and negative / ground connects to the black wire.
To activate the sound player, the white wire needs to be electrically connected to the negative side of the power supply (the black wire). You can do this in any number of ways: a single-pole switch between the white wire and the black wire (SPST or SPDT, either will work), or a push button between black and white wires, or if you want it to play continuously, just connect the black and white wires together permanently. To stop the sound, the white wire should remain disconnected (meaning the switch is off or open).
Here’s a simple diagram showing how to wire it to a toggle switch:
SoundBytes + Scale Sound Systems
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