do I need to buy a Micro SD separately?

No. This model doesn't have a Micro SD card slot.

Came with no instructions. Are there online instructions available?

It's a rubber ducky. There are tutorials online (both in text format and in video format AKA YouTube).

Does this need Arduino drivers just on the programming computer, or also on the target machine in order to function as an HID and execute kenystrokes?

You will need the Arduino IDE to program that BadUSB rubber ducky.... But you don't need it for the "victim PC"

How can I open the metal case (without destroying it) to get to the atmega32u4 inside?

The cover for the PCB is pressed into a shell. It's either a rather tight fit, or glued. You may be able to pull it out with pliers if you're ok with damaging the contacts and possibly cracking the PCB. Ideally there is foam lining the top, so dremeling it with some time would most likely work. Sorry for the long winded and not quiet conclusive answer.

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HiLetgo BadUsb Beetle Bad USB Microcontroller ATMEGA32U4 Development Board Virtual Keyboard for Arduino Leonardo R3 DC 5V 16MHz

HiLetgo BadUsb Beetle Bad USB Microcontroller ATMEGA32U4 Development Board Virtual Keyboard for Arduino Leonardo R3 DC 5V 16MHz

Product ID: 301898771

Details

Brand
HiLetgo
Compatible devices
Computers
Connectivity technology
Micro USB
Keyboard description
Virtual
Recommended uses for product
Gaming

⚡16 MHz Speed

🔌5V Power

🔢10 Digital Pins

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KSh7396

Duties & taxes included

In stock

Sold byAmazon KenyaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate Your Projects with the Beetle!

INNOVATE ANYWHERE - Perfect for DIY enthusiasts and professionals alike, take your projects on the go!
COMPACT POWERHOUSE - Weighing only 9g, this board is your portable coding companion.
SEAMLESS INTEGRATION - Compatible with Arduino Leonardo R3 for effortless development.
VERSATILE CONNECTIVITY - 10 digital I/O pins and 4 PWM channels for endless project possibilities.
UNLEASH YOUR CREATIVITY - Transform your ideas into reality with the ATmega32U4 microcontroller.

The HiLetgo BadUsb Beetle is a compact and powerful microcontroller development board featuring the ATmega32U4 processor, operating at 16 MHz with a 5V power supply. It offers 10 digital I/O pins and 4 PWM channels, making it an ideal choice for both hobbyists and professionals looking to create innovative projects.

Specifications

ASIN	B07W5K9YHP
Additional Features	Backlit
Antenna Location	Gaming
Best Sellers Rank	#62,054 in Computers ( See Top 100 in Computers ) #914 in Single-Board Computers
Brand	HiLetgo
Built-In Media	[1] BadUsb Beetle USB ATMEGA32U4 Development Board Module
Color	Black
Compatible Devices	Computers, Laptops
Connectivity Technology	Micro USB
Customer Reviews	4.3 4.3 out of 5 stars (173)
Enclosure Material	Acrylonitrile Butadiene Styrene
Hand Orientation	Ambidextrous
Keyboard Description	Virtual
Keyboard Layout	QWERTY
Manufacturer	HiLetgo
Mfr Part Number	3-01-1521
Model Name	Bad USB Beetle USB ATMEGA32U4 Development Board for Arduino Leonardo R
Model Number	3-01-1521
Number of Keys	5
Power Source	Corded Electric
Processor Count	1
Style Name	Modern
Theme	Modern
Unit Count	1.0 Count
Water Resistance Level	Not Water Resistant

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