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A Comprehensive Buying Guide on ATTiny85

28 March 2024
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Are you ready to unlock the full potential of your projects with ATtiny85 microcontrollers?

In "A Comprehensive Guide to Buying High-Quality and Affordable ATtiny85," we provide the ultimate roadmap to finding the perfect balance between quality and affordability.

 attiny85

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Whether you're an experienced electronics enthusiast or just starting your journey into DIY projects, our guide equips you with the knowledge and resources needed to make informed decisions.

Follow our guide and let our expertise become your reference as you navigate the landscape of ATtiny85.

General Introduction: What Is the ATTiny85 Specification of ATTiny85

The ATtiny85 is an 8-bit AVR microcontroller renowned for its compact size and versatile capabilities.

With 8 KB of flash memory and 512 bytes each of RAM and EEPROM, it provides sufficient storage for a variety of applications.

This microcontroller operates at clock speeds of up to 20 MHz, ensuring swift execution of tasks.

Despite its small footprint, the ATtiny85 offers 6 digital I/O pins, with 3 capable of PWM output, along with 4 analog input pins.

Its interfaces include I2C, SPI, and UART/USART, facilitating seamless communication with peripheral devices.

Operating within a supply voltage range of 1.8 to 5.5 volts, the ATtiny85 accommodates diverse power requirements.

Available in 8-pin PDIP, SOIC, and MLF/VQFN packages, it caters to different design preferences and space constraints.

Overall, the ATtiny85 by Microchip Technology is an active 8-bit microcontroller from the AVR® ATtiny series. Operating at speeds up to 20MHz, it features a USI for connectivity and essential peripherals like Brown-out Detect/Reset, POR, PWM, and WDT. With 6 I/O pins, it offers versatility. It has 8KB Flash program memory, 512 x 8 EEPROM, and RAM. The voltage range is 2.7V to 5.5V. It includes a 4-channel 10-bit ADC and operates from -40°C to 85°C. Available in a 20-QFN-EP surface-mount package, it's suitable for various applications.

Features and Applications of ATTiny85

Features of ATtiny85:

  • Affordability and Availability: The ATtiny85 is inexpensive and readily available, making it ideal for experimentation and prototyping.

  • Abundant Reference Data: Extensive reference materials are available, facilitating ease of use and development.

  • High Functionality in Limited Pins: Despite its small size, the ATtiny85 offers numerous features, maximizing functionality within a limited pin count.

  • Program Memory: With 8Kbytes of program memory, the controller provides ample space for various applications.

  • Power Saving Modes: Incorporating various power-saving modes, the ATtiny85 is suitable for battery-operated applications, enhancing energy efficiency.

  • Compact Size: Its small and compact form factor enables integration into a wide range of board designs.

  • Additional Features: Equipped with a watchdog timer and other functionalities, the ATtiny85 offers enhanced reliability and performance.

Moreover, ATTtiny85 has its model series,which have different features:

The ATtiny85-15SZ operates within an operating voltage range of 1.8V to 5.5V and features a maximum clock frequency of 15 MHz. Packaged in a SOT-23-6 format, it boasts 8KB of Flash Program Memory, 512B of SRAM, and 512B of EEPROM.

Additionally, it offers 6 I/O pins, a 10-bit ADC, and 2 8-bit Timers/Counters.

Moving to the ATtiny85-20PI, it maintains the same operating voltage range of 1.8V to 5.5V but elevates the clock frequency to 20 MHz. Packaged in a PDIP-8 format, it closely resembles the ATtiny85-15SZ in features, albeit with a higher clock frequency.

Similarly, the ATtiny85-20PU shares the operating voltage range and clock frequency of the ATtiny85-20PI. However, it comes in a DIP-8 package, distinguishing it from its counterparts.

The ATtiny85V-10SU, with an operating voltage range of 1.8V to 5.5V, operates at a lower clock frequency of 10 MHz. Packaged in SOT-23-6, it offers a suitable alternative for applications requiring less demanding processing speeds.

The ATtiny85-20SH, operating at 20 MHz within the same voltage range, mirrors the features of the ATtiny85-15SZ and ATtiny85-20PU but is packaged differently in SOT-23-6.

Lastly, the ATtiny85-20XU maintains an operating voltage range of 1.8V to 5.5V and a clock frequency of 20 MHz but is packaged in a smaller UDFN format. It resembles other ATtiny85 variants but offers a space-saving solution with its compact packaging.

Applications of ATtiny85:

  • Development Boards: Used in the development of various electronic projects and prototypes.

  • Hobby Projects: Popular choice for hobbyists creating DIY electronics projects.

  • Drivers: Employed in motor drivers, LED drivers, and other driver applications.

  • Industrial Control Systems: Utilized in industrial automation and control systems for monitoring and regulation.

  • SMPS and Power Regulation Systems: Integrated into switch-mode power supplies and power regulation circuits.

  • Analog Signal Processing: Used for measuring and manipulating analog signals in sensor applications.

  • Embedded Systems: Deployed in embedded systems such as coffee machines, vending machines, and display units.

  • Peripheral Interface Systems: Integrated into systems requiring communication with peripherals and external devices.

Where to Buy A High-Quality ATTiny85[Before Buying]

Before purchasing a high-quality ATtiny85 microcontroller, it's essential to explore reputable platforms known for reliable products and services.

Here are some recommended platforms where you can buy authentic ATtiny85 microcontrollers:

  • Digi-Key Electronics:

Digi-Key is renowned for its extensive selection of electronic components, including ATtiny85 microcontrollers.

With a reputation for quality and reliability, Digi-Key ensures that you're purchasing genuine products from trusted manufacturers.

Their user-friendly interface and excellent customer service make them a preferred choice for electronics enthusiasts and professionals alike.

  • Mouser Electronics

Mouser Electronics is a trusted distributor known for its vast inventory of electronic components, including ATtiny85 microcontrollers.

With a commitment to quality assurance and timely delivery, Mouser offers peace of mind that you're receiving authentic products from reputable sources.

Their comprehensive product documentation and technical support further enhance the buying experience.

  • Arduino Store

The official Arduino Store is the ultimate destination for genuine ATtiny85 microcontrollers and compatible accessories.

By purchasing from the Arduino Store, you can trust that you're getting authentic products that are fully compatible with Arduino platforms.

With a focus on quality assurance and customer satisfaction, the Arduino Store offers peace of mind for your electronics projects.

  • Amazon

Amazon is a convenient platform for purchasing ATtiny85 microcontrollers from various sellers, offering a wide range of options and competitive pricing.

With Amazon's robust seller rating system and customer reviews, you can make informed decisions and choose from reputable sellers.

 Additionally, Amazon's fast shipping and reliable customer service ensure a seamless buying experience.

Prices of ATTiny85 in Different Platforms[You Need to Know]

Before stepping further into the study of prices of ATTiny85-20MU,it is crucial for you to acquire the feature of ATTiny85-20MU:

The ATtiny85-20MU microcontroller boasts a versatile range of features ideal for a variety of embedded applications.

Operating within a voltage range of 1.8V to 5.5V, it offers flexibility in powering various electronic systems.

With a maximum clock frequency of 20 MHz, it ensures efficient processing of instructions.

Packaged in a QFN-20 format, it maintains a compact footprint, suitable for space-constrained designs.

Its memory capabilities include 8KB of Flash Program Memory for storing instructions, along with 512B of SRAM and 512B of EEPROM for data storage.

Additionally, it provides 6 general-purpose I/O pins for interfacing with external devices or sensors, as well as a 10-bit ADC for analog signal conversion.

The presence of 2 8-bit Timers/Counters facilitates precise timing control and event counting.

With its low-power operation and potential communication interfaces like SPI or I2C, the ATtiny85-20MU offers a comprehensive solution for embedded systems requiring efficient processing and versatile functionality.

For precise and detailed specifications, consulting the official datasheet from the manufacturer is recommended.

Here comes a format for you to learn about the prices of ATtiny85-20Mu:

Platform

Price

Quantity Available

Advantage

Review

Chipsmall

1+       US$11.66800

85,888

External and Internal Interrupt Sources

4.9

Mouser Electronics

1:       HK$10.36

25:     HK$9.37

100:    HK$8.63

19,514

Enhanced Power-on Reset Circuit

4.8

Digikey

1 `       US$10.35000    

25       US$9.36040    

100     US$8.62160    



 

14,842

Low Power Idle

4.8

How to Use ATTiny85 with Arduino[After Buying]


Here's a simplified step-by-step guide:

  1. Install Arduino IDE: Download and install the Arduino IDE from the Arduino website.

  2. Add ATtiny85 Support:

    • Open Arduino IDE.

    • Go to "File" > "Preferences".

    • Paste this URL into the "Additional Boards Manager URLs" field:https://raw.githubusercontent.com/damellis/attiny/ide-1.6.x-boards-manager/package_damellis_attiny_index.json

    • Click "OK" and close the Preferences.

    • Go to "Tools" > "Board" > "Boards Manager…" and search for "attiny". Install "attiny by David A. Mellis".

  3. Connect ATtiny85 to Arduino Uno (Optional):

    • Connect Arduino Uno to your computer via USB.

    • Connect ATtiny85 to Arduino Uno according to the pin connections.

  4. Upload ArduinoISP Sketch (Optional):

    • Open "File" > "Examples" > "11.ArduinoISP" > "ArduinoISP" and upload it to Arduino Uno.

  5. Prepare ATtiny85 for Programming:

    • Disconnect Arduino Uno.

    • Connect ATtiny85 to your computer using a USB programmer or Arduino Uno.

  6. Select Board and Programmer:

    • Go to "Tools" > "Board" and select "ATtiny85".

    • Go to "Tools" > "Processor" and select "ATtiny85".

    • Choose clock speed if needed.

    • Go to "Tools" > "Programmer" and select the appropriate programmer.

  7. Write and Upload Code:

    • Write your code in Arduino IDE.

    • Click "Upload" to compile and upload the code to ATtiny85.

  8. Verify and Test:

    • Ensure your ATtiny85 works as intended.

Conclusion

This guide offers a comprehensive overview of the factors to consider when purchasing high-quality and affordable ATtiny85 microcontrollers.

By understanding the specifications, features, and considerations such as price, quantity available, and supplier reviews, buyers can make informed decisions.

Additionally, the guide provides step-by-step instructions for beginners on how to use the ATtiny85 with the Arduino IDE, empowering users to embark on their microcontroller projects confidently.

Whether you're a hobbyist, student, or professional, this guide equips you with the knowledge and resources needed to procure and utilize ATtiny85 microcontrollers effectively, ensuring a successful and fulfilling experience in the world of embedded systems and electronics.

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A Comprehensive Buying Guide on ATTiny85

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