Drivers Sangon Elettronica Port Devices

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ISPnub - Stand-alone AVR programmer module
USBasp is OpenSource, it's free!

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  1. 1) Bus-powered hub - this type of hub gets power from the USB port to which it is connected only. 2) Self-powered hub - this type of hub gets power from an external power source (AC Adapter). For a bus-powered hub, there will typically be enough power to power low power devices such as flash drives, a mouse, keyboard, etc.
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€ 10
USBasp is a USB in-circuit programmer for Atmel AVR controllers. It simply consists of an ATMega88 or an ATMega8 and a couple of passive components. The programmer uses a firmware-only USB driver, no special USB controller is needed.


  • Works under multiple platforms. Linux, Mac OS X and Windows are tested.
  • No special controllers or smd components are needed.
  • Programming speed is up to 5kBytes/sec.
  • SCK option to support targets with low clock speed (< 1,5MHz).


Firmware and circuit

The following packages include circuit and firmware.
usbasp.2011-05-28.tar.gz (519 kB) TPI support, supports programmers with ATMega88 and ATMega8.
usbasp.2009-02-28.tar.gz (260 kB)
usbasp.2007-10-23.tar.gz (172 kB)

Drivers Sangon Elettronica Port Devices Via

usbasp.2007-07-23.tar.gz (176 kB)
usbasp.2006-12-29.tar.gz (118 kB) Supports programmers with ATMega48 and ATMega8.Drivers Sangon Elettronica Port Devices
usbasp.2006-09-16.tar.gz (116 kB) New VID/PID!
usbasp.2005-11-14.tar.gz (175 kB)
usbasp.2005-07-03.tar.gz (166 kB)

Drivers Sangon Elettronica Port Devices Gigabit

usbasp.2005-04-21.tar.gz (169 kB)
Please refer to Readme.txt for details on building, installing and using USBasp.


On Linux and MacOS X no kernel driver is needed. Windows requires a driver for USBasp. Please use this driver installation tool for Windows (see also: successful setup on Windows 10):
Zadig - USB driver installation made easy


  • AVRDUDE supports USBasp since version 5.2.
  • BASCOM-AVR supports USBasp since version
  • Khazama AVR Programmer is a Windows XP/Vista GUI application for USBasp and avrdude.
  • eXtreme Burner - AVR is a Windows GUI Software for USBasp based USB AVR programmers.




PartnumberValueReichelt No
C14,7uRAD 4,7/35
C2100nX7R-5 100N
C3, C422pKERKO 22P
D1, D23V6 zenerZF 3,6
CON210polWSL 10W
IC1ATmega8-16ATMEGA 8-16 (not programmed!)
JP1, JP22pol 2,54mmSL 1X36G 2,54
LED13mm LED greenLED 3MM 2MA GN
R1, R2681/4W 68
R32,2k1/4W 2,2k
R4, R5, R6, R72701/4W 270
R810k1/4W 10k
R9, R101k1/4W 1k
M1, M2JumperJUMPER 2,54GL SW
M3Socket 28SGS 28-S
M4CaseTEKO 10007

User PCB layouts

Here is a list of tested PCB layouts. If you have designed your own PCB, please let me know.

Drivers Sangon Elettronica Port Devices Online
by Thomas Fischl
Single-Side PCB, TARGET 3001! layout file
Size: 90x40 mm (optimized for case Hammond 1591ATBU)

by Pawel Szramowski (11/2007)
With Low-voltage front-end.
Single-Side PCB, EAGLE layout files, some SMD components

by Bernhard Walle
Double-Side PCB, EAGLE layout files, part list with order numbers for and
Size: optimized for case Hammond 1591ATBU
by Thomas Pfeifer
Single-Side PCB, PDF layout files, SMD components

by Tomasz Ostrowski
Single-Side PCB, PDF and EPS layout files, only four 0805 SMD parts, rest discrete components
by Christian Heigemeyr
Single-Side PCB, with some SMD 0805 components, PDF-files
With additional buttons for reset and disconnection of the target

USBasp.sch, USBasp.pcb
ComponentSide.pdf, TopSide.pdf, Schematics.pdf
by Zhurov Pavel
Single-Side PCB, P-CAD 2002 format and PDF files
Crosspiece TXD and RXD are added for the ISP connector

by J.A. de Groot
The board is single sided (EAGLE format), measures 3 by 8 cm and uses only regular components.
by Matthias Görner
Single-Side PCB, eagle-format, with PS/PDF-files
integrated sockets for target chips ATmega8 and ATmega32

Tarball with layout
by Hannes Östlund
Doubleside-Side PCB, SMD components, very small

by Sergiy Bogdancev (01/2010)
3.3V version, ATMega48 only. Single-side PCB, ExpressPCB layout format + socket board for varies AVRs. Without future serial interface, chip initially must be programmed with another programmer.

Eaglefiles (sch/brd) and CAD case design (dxf)
by Hans Hafner, HTL Mössingerstrasse-Klagenfurt, Österreich, hans.hafner (at) htl-klu (dot) at
CNC-milled case (DXF file available), Eagle layout, only a few SMD parts

Different USBasp versions: Easy to built non-smd, smd version and a very small USBasp
by Sven Hedin (01/2011)
Eagle files available.

USB Key AVR Programmer
by Fabio Baltieri (09/2011)
Very small USB key like dimensions. SMD parts.

AVR ISP Programmer
by Jaroslav Vadel (04/2012)
Small programmer. SMD parts.

Target project and PDFs (layout/schematics)
by Marius Schäfer (09/2013)

tinyUSBboard with USBasp-compatible firmware
by Stephan Bärwolf (04/2014)

USBasp on breadboard with socket for controller daughter boards.
by Fabian Hummel (11/2018)

Tjaart van Aswegen designed an SMD board: DIP TRACE and GERBER files.
by Tjaart van Aswegen (09/2019)

Feature rich (e.g. different voltage levels, integrated USB to serial converter, USB-C connector) USBasp compatible design. AVR Programmer Github project.
by Brian Pepin (12/2019)

USBasp with ZIF socket and through hole components. KiCad design on Github
by Bruno (04/2020)

USBasp board with additional 6pin header and selectable target supply (3.3V/off/5.0V).
by Marty E. (10/2020)

John included a 40 pin universal socket which takes 8, 14, 20 and 28 pin devices. He also added a versatile crystal oscillator with outputs of 1, 2, 4, 8 and 16 Mhz to clock the chips. There is also the standard 6pin ICSP connector and a user led connected to the MOSI pin.
by John P. (11/2020)

Links Firmware-only AVR USB driver libusb LibUsb-Win32

Drivers Sangon Elettronica Port Devices Download AVRDUDE - AVR Downloader/UploaDEr