Heavy Duty 4 X 4 Matrix Keypad

Heavy Duty
£6.00 GBP
The price is for a single piece.
There are 2 pieces in the retail box.
The quantity has to be a multiple of 2.
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Categories: Component Input Switches
Tags: Input

Introducing the "Lonely Binary Matrix Keypad" - the ultimate secret agent's companion for your projects!

Get ready to channel your inner spy as you punch in your top-secret code on this heavy-duty matrix keypad! It's like having a mission control center at your fingertips, complete with numbers, special characters, and even letters A, B, C, and D!

With its 16 buttons arranged in a sleek telephone-line 4x4 grid, this keypad is the epitome of elegance and espionage. It's as if James Bond himself designed it for covert operations!

But wait, there's more! This keypad operates like a secret agent's matrix, utilizing just 8 microcontroller pins to scan through its undercover buttons. It's like having an undercover hacker who knows how to optimize your resources like a boss!

And don't worry, we've got you covered with tutorials and an library. It's like having a secret codebook to unlock the full potential of the Lonely Binary Matrix Keypad.

So, don't wait for MI6 to recruit you. Equip yourself with the "Lonely Binary Matrix Keypad" and unleash the spy within. It's the keypad that's stylish, resourceful, and packed with enough intrigue to make even 007 himself jealous!

What’s in the Box

There are 2 pieces in the retail box.
The listing price is for

  • 1 x Heavy Duty 4 X 4 Matrix Keypad



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through lonelybinary.com. This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


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