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

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 auto speed control

💡Dual LED indicators for power & programming

🔌USB direct connect for instant use

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€ 22.28

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Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Geekstory
Compatible Devices
Personal
Hardware Interface
USB

Description

⚙️ Power up your Ender 3 firmware game with precision and ease!

COMPACT RELIABLE - Lightweight, space-saving design trusted by pros for consistent, error-free programming.
ADAPTIVE SPEED CONTROL - Automatically optimizes programming speed for flawless chip flashing every time.
FIRMWARE UPGRADE READY - Easily update the programmer’s firmware via the dedicated interface to stay future-proof.
VERSATILE VOLTAGE SUPPORT - Supports both 3.3V and 5V target boards, ensuring broad compatibility with your projects.
PLUG PLAY USB CONVENIENCE - Seamlessly connects to Windows PCs without hassle, making firmware updates effortless.

The ATMEL 51 AVR USB ISP ASP Microcontroller Programmer is a compact, Windows-only USB device featuring an onboard ATMega8 chip, dual LED indicators, and self-adaptive speed control. It supports 3.3V and 5V target boards and includes a 10Pin to 6Pin adapter, making it ideal for updating Ender 3 and Ender 3 Pro firmware with reliable, professional-grade performance.

Specifications

ASIN	B07NZ59VK2
Best Sellers Rank	#3,678 in USB Cables
Brand	Geekstory
Compatible Devices	Personal Computer
Customer Reviews	4.2 out of 5 stars 525 Reviews
Hardware Interface	USB
Item Weight	0.3 Ounces
Manufacturer	Geekstory
Mfr Part Number	GR0151+GR3382
Model Number	USBASP-GR0151+GR3382
Operating System	Windows
Style	Classic
Style Name	Classic
UPC	747356629607
Unit Count	1 Count

Reviews

R**A

27.09.2023

R**D

9.02.2026

J**E

5.05.2021

M**A

14.01.2025

C**E

6.03.2025

B**N

18.10.2024

K**Z

11.08.2025

E**T

6.02.2022

E**O

12.06.2025

L**E

16.01.2025

S**G

20.04.2024

J**R

4.09.2023

A**R

28.05.2025

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