ATtiny861A MCU

£6.00 GBP
The price is for a single piece.
There are 3 pieces in the retail box.
The quantity has to be a multiple of 3.
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Categories: Component IC

Behold the Extraordinary Lonely Binary ATtiny861 - The Ultimate AVR-20PU 20 Pin Wonder!

Prepare to be amazed as we unravel the incredible universe of features that the Lonely Binary ATtiny861 holds within its tiny, yet mighty, core! This genius microcontroller is like a superhero with a plethora of talents, ready to elevate your projects to soaring heights of technological brilliance!

Let's dive into the magic it brings to the table:

Enchanting Memories: With 8K bytes of In-System Programmable Flash, 512 bytes of EEPROM, and 512 bytes of SRAM, the Lonely Binary ATtiny861 has a treasure trove of memories to capture every enchanting moment of your creativity!

Light Up Your Ideas: Equipped with 16 general-purpose I/O lines and 32 general-purpose working registers, this microcontroller illuminates your path to innovation, making every project a beacon of brilliance!

Time is of the Essence: The Lonely Binary ATtiny861 is a master of time, featuring an 8-bit Timer/Counter with compare modes and an 8-bit high-speed Timer/Counter to keep your creations in perfect harmony with the universe!

Seamless Connectivity: Embrace the power of the Universal Serial Interface, Internal and External Interrupts, and an 11-channel, 10-bit ADC - all ready to forge connections and weave your projects into a mesmerizing tapestry of technology!

Power-Packed Dreams: Fear not the energy drain, for this marvel offers four software-selectable power-saving modes! From the incredible Idle mode that stops the CPU while keeping the essentials alive, to the dreamy Power-down mode that saves register contents until the next magical interruption - your power consumption nightmares are vanquished!

Silence the Noise: Enter the ADC Noise Reduction mode, where the CPU and all I/O modules halt except ADC, silencing any switching noise during ADC conversions. Your projects shall know only harmony and tranquility!

Wake-Up Wonders: In Standby mode, the crystal/resonator oscillator remains active while the rest of the device slumbers, granting your projects a speedy and low-power wakeup call, ready to shine once more!

Discover the Lonely Binary ATtiny861 - Where a world of limitless possibilities awaits your imagination! Embrace the marvels of Lonely Binary and let your projects soar to galaxies of innovation and laughter!

Lonely Binary - Igniting Sparks of Creativity, One Pin at a Time!



What’s in the Box

There are 3 pieces in the retail box.
The listing price is for

  • 1 x ATtiny861A



  • 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 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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