USBTinyISP AVR ISP Programmer – ATtiny44/45/85 Bootloader

USBTinyISP Micro USB AVR ISP Programmer Module

Program your AVR microcontrollers with ease using this compact USBTinyISP Micro USB AVR ISP Programmer. Designed for makers, hobbyists, and electronics enthusiasts, this tiny yet powerful module lets you flash firmware and burn bootloaders directly onto popular ATtiny and ATmega series chips — no external power supply needed.

Whether you're working on a DIY wearable, a custom sensor node, or a compact embedded project, this programmer provides a reliable, low-cost solution for in-system programming via your computer's USB port.

Made in Mainland China.

Key Features

• Wide Compatibility: Supports ATtiny44, ATtiny45, ATtiny85, and other AVR microcontrollers compatible with the USBTinyISP protocol
• Micro USB Interface: Connects directly to your computer via standard Micro USB — no drivers headache on most systems
• 5V Operating Voltage: Runs at a stable 5V supply voltage, matching the logic level of most AVR chips
• Compact SMD Design: Tiny form factor makes it easy to carry and store in any project kit
• Bootloader Burning: Ideal for burning bootloaders and uploading sketches to AVR chips using the Arduino IDE or AVRDUDE
• No External Power Required: USB bus-powered for convenient, clutter-free use at your workbench
• New Condition: Ships brand new, ready to use out of the box

Specifications

What's in the Box?

• 1 × USBTinyISP Micro USB AVR ISP Programmer Module

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Frequently Asked Questions

Q: Which microcontrollers are compatible with this USBTinyISP AVR ISP programmer?

A: This programmer is compatible with ATtiny44, ATtiny45, ATtiny85, and most other AVR microcontrollers that support the USBTinyISP protocol, including many ATmega series chips. It works seamlessly with the Arduino IDE (as an external programmer) and AVRDUDE command-line tool.

Q: Do I need to install special drivers to use this AVR ISP programmer?

A: On most Linux and macOS systems, the USBTinyISP is recognized automatically. Windows users may need to install the LibUSB or Zadig driver. Once set up, you can select "USBtinyISP" as the programmer in the Arduino IDE under Tools > Programmer.

Q: Can I use this programmer to burn bootloaders onto ATtiny chips?

A: Yes! This module is specifically designed for burning bootloaders and uploading firmware directly to ATtiny44, ATtiny45, ATtiny85, and compatible AVR chips. Simply connect it via the ISP header, select the correct board and programmer in the Arduino IDE, and click "Burn Bootloader."

Q: Is an external power supply required to use this module?

A: No external power supply is needed. The programmer is fully USB bus-powered through its Micro USB connection, making it a convenient and portable tool for your workbench or on-the-go projects.