Simple electronic 555 timer keyboard
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
Great

Simple electronic 555 timer keyboard

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  • Product SKU: LGKT060
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₹ 349 ₹ 449
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Highlights
  • Product Code: LGKT060
  • Technical Support: upto 30mins Video support
  • Handmade
  • Make in India
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  • 20% Deposit before shipping
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Details
  • Unsoldered PCB and all components to be soldered on PCB.
  • Includes all ICs, Connecting wires, and speaker.
  • Documentation: PCB Specifications, Component list, and Circuit diagram.
  • Power Supply: No battery included, Includes 12 Volt DC adapter with the kit.
  • Video tutorial is available on YouTube.
  • One set of the readymade in working condition.
  • Includes all ICs, Connecting wires, and speaker.
  • Documentation: PCB Specifications, Component list, and Circuit diagram.
  • Power Supply: No battery included, Includes 12 Volt DC adapter with the kit.
  • Video tutorial is available on YouTube.

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Specification

Description

The Simple electronic 555 timer keyboard produces a tone according to the button being pressed. Only 1 button can be pressed at a time, that’s why it is called a monophonic organ. By choosing the capacitor values well, the tones produced may mimic those of an toy organ. The number of ‘keys’ in this toy organ may be increased by adding more switches and capacitors.

555 Pocket Keyboard is the main component of this circuit is the 555, configured as an astable multivibrator. A 555 TIMER IC configured as such outputs an oscillating signal with a frequency determined by the values of variable resistance PR1, 10k resistance (R8).In this circuit, every time one of the switches is pressed, a capacitor of a certain value is connected to the 555, causing it to deliver a signal of corresponding frequency to the speaker, thereby producing a tone specific to the switch pressed.

Block Diagram

Toy-organ-Cum-Mini-Casio-block-diagram

Physical Attributes

  • Dimensions (cm) L x W x H : 20 x 15 x 5
  • Weight (gm): 200

Product Video

Customer Reviews

Based on 3 reviews
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(3)
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k
kachi vemana
Must buy

Must buy again

p
pankaj verma
Great Deal

Ggreat Deal with kitsuru

s
sekhar babu
Amazing

Presentation of the item itself was amazing!!