myTEKNOVO Listings on eBay
SUMMARY:
Please note*:

KITs are fully assembled, soldered and tested.
The KITs can be powered with a 9V Square Battery.
(Batteries are not included, thanks).


At a Glance:

Completely redesigned NE555/LM555 Tone Generator Piano with switchable and adjustable frequencies to drive the onboard Buzzer (demo video is available, please view the link below).  The KITs on this listing are fully assembled, soldered and tested.  They come in Blue PCB as shown in images.  KITs can be powered with a 9V Square Battery (please note:  Batteries are not included).  If any questions, please let us know over the eBay messages, thank you.
 

What will I receive?

2pcs x Fully Assembled
NE555/LM555 Tone Generator Piano KITs.

KITs have switchable and adjustable frequencies to drive the onboard Buzzer.


Demo Video:

Please click the link-here to watch the demo video, thanks.


KIT(s) Measurements/Specs:

Length = 3.90” (99 mm).
Width = 1.30” (33 mm).

Power-Supply (Battery) = 8-10 Volts.

Switchable:  Yes, can be switched/toggle to other frequencies.
Adjustable:  Yes, driving-frequencies are adjustable by VR1 POT.


USA Inventory / Stock:

All items for sale are in stock at hand and shipped from California.
True USA Based Seller.



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You can view more DIY KITs at our store - Click Here -.
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Related:  LED, LED Bargraph, LED Bar Graph, Arduino BarGraph, LED Display, LM3915, audio/sound level indicator.



*** If you have any questions, please contact us. ***

INTERNATIONAL BUYERS ARE WELCOME


SHIPPING AND HANDLING:
  • Depending on the size and weight of the item(s) being sold, your order will be delivered via the following shipping carriers:

UPS  USPS

  • To verify the shipping carrier being used, please check the "Shipping Information" section at the bottom or top part of this ad.

  • Make sure to also check the processing time of the order.  If we have delays on your order we will contact you within 24-48 hrs.

  • We combine shipping charges, please ask us for the correct invoice once you have completed your order.

PAYMENT METHODS:
  • PayPal payments.

  • Credit Cards (managed through PayPal only).

myTEKNOVO:
  • Visit our listings on eBay for more cool items.  You can contact us regarding any bulk(by quantity) order that you would like to place.  We give discount on bulk orders, please ask us.


myTEKNOVO