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BuildCircuit is an online store for selling electronics kits and components related to Arduino, Raspberry Pi, etc. We operate from Sydney, Australia.

We design and sell basic electronic kits and Arduino modules for all electronics enthusiasts.


CD4017 AND NE555 timer based lucky number select kit

AU $4.95
Calculated at checkout
Current Stock:
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Out of Stock

This product is shipped from Sydney, Australia. Worldwide shipping available- we ship to USA, Canada, New Zealand, UK, EU and Non-EU countries.

CD4017 and NE555 are very versatile chips. You can find hundreds of electronic experiments using these two chips on various sites. For example, check this out...

In this project, NE555 has been configured in astable mode and gives clock pulses at a set frequency to CD4017. 10pcs of 5mm LEDs have been connected to output pins of CD4017 and for each pulse from NE555, the CD4017 decade counter switches on its output pins to glow the LEDs and finally all the LEDs are switched off except one(randomly) and that is your lucky number.

It can be used for playing "choose your lucky number" by kids. 

The kit package includes the following components: 

  • 1 x Bare PCB with silkscreen labels
  • 1 x CD4017
  • 1 x NE555 timer
  • 1 x DIL socket for CD4017
  • 1 x DIL socket for NE555 timer
  • 2 x 470K Ohm resistor (We will send 4 color code resistor)
  • 2 x 1.2K Ohm resistor (We will send 4 color code resistor)
  • 1 x S9014 transistor
  • 1 x 103 code ceramic capacitor
  • 1 x 100µF electrolytic capacitor
  • 1 x 47µF electrolytic capacitor
  • 1 x Tactile switch
  • 10 x 5mm RED LED
  • 1 x 9V battery connector
Related documents: 

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Information about shipping

BuildCircuit is a trustworthy online store established in Sydney, Australia. We have been maintaining our quick shipping service since we started the store in Turku, Finland(in 2012).

Shipping information for international customers

We ship our products to more than 45 countries using Australia Post. Our regular customers are from the USA, Canada and Europe. We are currently using four different shipping methods to ship the orders to international destinations. We request you to select 'Standard Post' or 'Registered Post' while checking out so that you can receive your package quickly.

We usually ship your orders within 1-2 days. Small orders are usually processed and shipped on the same day.

Shipping information for Australian customers

All the orders from Australia are shipped on the next day at 9.00AM. Orders with Express Australia Post are also shipped on the next day if your order is placed before 1.00PM. We provide tracking code for Standard, Registered and Express Post orders only.

Australia Post has never lost any package since we started our business in Ausralia. So, we request you all to buy with confidence.

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For International Customers: For registered and express post orders, you will receive a notification on your email after the package is landed in your country. Examples given below:


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