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4 Forrest Mims Kits


Price: $99.95 + $18.79 shipping
In stock.
Usually ships within 2 to 3 days.
Ships from and sold by Jameco Electronics.
2 new from $99.95

Specifications for this item
Brand Name JAMECO KITPRO
Part Number FORREST MIMS KITS
Number of Items 1
Item Weight 2.73 pounds

4 Forrest Mims Kits Includes: Toy Organ kit PN: 2155508 Vibration sen... Read full product description




Product Features

  • 4 Forrest Mims Kits

    Includes:
  • Toy Organ kit PN: 2155508
  • Vibration sensor

Product Details


Product Description

4 Forrest Mims Kits

Includes:
  • Toy Organ kit PN: 2155508
  • Vibration sensor kit PN: 2155532
  • Atari Punk Console kit PN: 2155487
  • Fridge Alarm kit PN: 2155495

    Toy Organ
    The Toy Organ project is a music maker based on a simple 555 timer circuit from Forrest's well known Engineer's Mini Notebook, Volume 1: Timer, Op Amp & Optoelectronic Circuits & Projects. With the addition of a resistor, some capacitors and some buttons, you can generate several different tones. Add on a couple potentiometers and you can control the volume and the pitch of a note. Even more, when you press several buttons at the same time, another unique tone is generated.

    Vibration sensor kit
    The circuit shown here doesn't use any moving parts to detect vibration. Rather, a piezo speaker element is used as a sensitive vibration sensor. Curious how it works? The piezo speaker is connected to the input of an op amp operated as a comparator. This operation is achieved by eliminating the usual feedback resistor between the output (pin 6) and the inverting input (pin 2). In operation, tiny vibrations cause the piezo element to generate a small voltage. The LED glows when the voltage exceeds that applied to pin 3 of the op amp by sensitivity control R2.

    Atari Punk console
    The Atari Punk Console has become the popular name for a simple circuit that I first described as a "Sound Synthesizer" in Engineer's Notebook: Integrated Circuit Applications (1980) and then a "Stepped Tone Generator" in Engineer's Mini-Notebook: 555 Circuits (1984). The circuit creates a sequence of tones whose frequencies vary in distinct steps as a potentiometer is adjusted. Some in the electronic music community began experimenting with the circuit, and it is eventually labeled the Atari Punk Console by Kaustic Machines. "Atari Punk Console" yields 15,100 hits in a Google search. The circuit even has its own Wikipedia page. Even older than the At

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