USBASP USBISP USB AVR Programmer ISP with 10-Pin to 6-Pin Adapter

USBASP / USBISP USB AVR ISP Programmer with 10-Pin to 6-Pin Adapter

The USBASP/USBISP is a low-cost, open-source USB in-system programmer (ISP) for Atmel AVR microcontrollers. Compatible with avrdude, Arduino IDE, and AVR Studio, it supports a wide range of AVR devices via the standard 10-pin and 6-pin ISP headers. Includes a 10-pin to 6-pin adapter for maximum compatibility.

Key Specifications

Parameter	Value
Interface	USB 1.1 / 2.0 Full-Speed
Programming Interface	ISP (In-System Programming)
Connector	10-pin IDC + 6-pin IDC (adapter included)
Target Voltage	3.3V / 5V selectable
Clock Speed	375kHz (adjustable via jumper)
OS Support	Windows, Linux, macOS
Firmware	Open-source USBASP firmware

Supported AVR Devices

ATmega8, ATmega16, ATmega32, ATmega48, ATmega88, ATmega168, ATmega328P, ATmega2560, ATtiny13, ATtiny25, ATtiny45, ATtiny85, AT90S series, and more.

Why Choose This Programmer?

• Broad Compatibility — Works with virtually all AVR ISP-capable devices
• No External Power Needed — USB-powered, plug-and-play on Linux/macOS
• Open-Source Firmware — Updateable, community-supported USBASP firmware
• Slow Clock Mode — Jumper JP3 enables 8kHz clock for fresh/fused chips
• Adapter Included — 10-pin to 6-pin adapter covers both ISP header standards

Typical Applications

• Burning bootloaders onto Arduino boards (Uno, Nano, Pro Mini)
• Programming bare ATmega/ATtiny chips directly
• Flashing custom firmware via avrdude CLI
• Recovering bricked Arduino boards with wrong fuse bits
• Embedded systems development and prototyping

Compatible Software

avrdude (command: -c usbasp), Arduino IDE (Tools → Programmer → USBasp), AVR Studio, PlatformIO.

FAQ

Q: Does it work on Windows 10/11 without drivers?
A: Requires Zadig (libusb-win32) driver installation on Windows. Linux and macOS work natively.

Q: Can it program ATmega328P at 3.3V?
A: Yes — set the voltage jumper to 3.3V and use slow clock mode if the chip is running below 1MHz.

Package Contents

• 1× USBASP/USBISP USB AVR Programmer
• 1× 10-pin to 6-pin ISP Adapter
• 1× USB Cable

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