Conscious Monkey™ Technologies

Random Number Generators

The RNG-01A produces approximately one to three random numbers per minute from background radiation. Explore randomness, probability, gaming, PSI and ESP testing, and micro-PK experiments with a physical source of random events.

Choose Your RNG How It Works

LCD readout, serial output, selectable number ranges, and free experimental software.

RNG-01A circuit board and LCD beneath a transparent cover

Instrument features

Selectable Ranges. Visible Results.

The RNG-01A combines a radiation-based random source with a display and computer output for experiments and data collection.

Seven Number Ranges

Select 1–2, 1–4, 1–8, 1–16, 1–32, 1–64, or 1–128 to suit your experiment.

LCD & Serial Output

Read generated numbers on the LCD and send them through the serial port to compatible software.

Color & Distribution

A four-color LED output provides a visual display. In the 1–4 range, the LCD can show running tallies of all four numbers to help check their distribution.

A physical source of randomness

How It Works

The RNG-01 uses the randomness of radioactive decay to generate random numbers. The timing of individual nuclear decay events is fundamentally unpredictable.

A built-in miniature Geiger counter detects background radiation. Its output is monitored by a PIC microcontroller, which cycles through numbers in a register at approximately 1,000,000 numbers per second.

When a radiation event is detected, the microcontroller stops the cycling, reads the current number in the register, and outputs that number.

More About How Our RNG Works →

Detect background radiation
The internal Geiger counter detects a radiation event.
Capture the current number
The PIC microcontroller reads its rapidly cycling number register at the event's arrival.
Display and output the result
The generated number appears on the LCD and is available through the serial output.