Train Bell or Strobe Light Pulser

Railroad Bell Sound Effects Circuit

Want to add real bell sounds to your model railroad train crossings? This circuit pulses an ordinary doorbell to produce a real metal 'ding-ding-ding' sound. You choose the bell from your local builders supply or hardware store that is most to your liking. The MRB1 Pulser will ring it at the rate and intensity that you set.

Flashing Strobe Light Effects Circuit

Modern antenna towers, smoke stacks and other tall structures are equipped with bright white strobe lights as a warning to low flying aircraft. You can produce the same effect on your tall model structures with bright white LEDs and the MRB1 Pulser. Adjustable flash rate and duration (LEDs not included).

Installation instructions

Pulses a DC load (bell, LED lights, etc.) up to 1.5 amps Always use a series resistor with LEDs (not included) Pulse rate adjustable from 4 per second to once every 4 seconds Pulse duration adjustable from 2 to 95 milliseconds Remote on/off control Easy connection to MRX1 Crossing Signal Controller May also be controlled by an external relay, transistor switch or open collector logic gate Compact size: 2.0 x 1.5 x 0.65 in. Clear plastic hinged case Power required: 9 to 14 volts AC or DC, 500 milliamps min. continuous current (may vary depending on load) PS906 power adapter works well for LEDs and common low voltage (AC or DC) door bells Bell and LEDs not included

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