Can this be used to update Ender 3 Pro firmware?

Yes, it can. Not all Ender 3 or Ender 3 Pro printers ship with a bootloader. You can use this to either burn a bootloader and then flash the firmware via USB, or you can use this to flash the firmware directly to the main board. I have used it to burn a bootloader onto a Creality 1.1.3 board, and then flashed the firmware from the source code Creality has available on their site.

I have an Ender 3 without a bootloader, will this work to flash Marlin firmware directly to the board without installing a bootloader?

Yes, as USBAsp I was able to load a bootloader on an Ender3 board.

Will this programmer work with win 7 and atmel studio 7? where is the operating instructions?

Here is document link, https://protostack.com.au/download/Users%20Guide%20(AC-PG-USBASP-UG-V2.0).pdf

On the instructions pdf, 4.2.3 procedure, step d, where do i find a bootloader binary file to go from this thing to the ender 3?

Believe I got the boot loader from YouTube video on how to. You should be able to get it from the creakily site also

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for ATMEL 51 AVR USB ISP ASP Microcontroller Programmer Downloader with Cable + 10Pin to 6Pin Adapter Board for Ender 3 or Ender 3 Pro

Product ID: 107385894

Details

Brand
Geekstory
Compatible Devices
Personal
Hardware Interface
USB
Item Weight
0.3 Ounces
Style
Classic

⚡Self-adaptive automatic speed control

💻Windows-only USB interface

🔌Supports 5V & 3.3V power supply

E£ 1765

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Description

⚡ Power your projects with precision and speed—because your Ender 3 deserves the best!

FIRMWARE UPGRADE READY - Easily update your downloader firmware via the dedicated programming interface—stay future-proof.
NEXT GEN SPEED CONTROL - New self-adaptive automatic speed control ensures ultra-smooth programming every time.
ENDER 3 3 PRO COMPATIBLE - Specifically designed to upgrade and flash your Ender 3 or Ender 3 Pro firmware with confidence.
DUAL VOLTAGE POWER SUPPORT - Effortlessly switch between 5V and 3.3V to match your target board’s needs.
PLUG PLAY USB CONVENIENCE - Direct USB connection for seamless Windows integration—no hassle, just code.

The Geekstory ATMEL 51 AVR USB ISP ASP Microcontroller Programmer is a Windows-compatible, USB-powered device featuring an onboard ATMega8 chip, dual voltage support (5V/3.3V), and advanced self-adaptive speed control. It includes a 10Pin to 6Pin adapter board, making it ideal for firmware updates on Ender 3 and Ender 3 Pro 3D printers. With easy driver installation and firmware upgrade capabilities, it’s a must-have tool for professional makers and developers seeking reliable, efficient microcontroller programming.

Specifications

ASIN	B07NZ59VK2
Best Sellers Rank	#4,804 in USB Cables
Brand	Geekstory
Compatible Devices	Personal Computer
Customer Reviews	4.2 4.2 out of 5 stars (524)
Hardware Interface	USB
Item Weight	0.3 Ounces
Manufacturer	Geekstory
Mfr Part Number	GR0151+GR3382
Model Number	USBASP-GR0151+GR3382
Operating System	Windows
Style Name	Classic
UPC	747356629607
Unit Count	1 Count

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E£ 1765

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In stock

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