bootloadhid ☆

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Description:
HID-based USB bootloader for AVR microcontrollers

Type: Formula | Latest Version: 2012-12-08@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: avr bootloader usb embedded firmware

Install: brew install bootloadhid

About:
bootloadhid is a firmware-only USB bootloader for AVR microcontrollers that utilizes the V-USB library to implement a low-speed USB device. It allows users to program AVR chips via a standard USB connection without requiring a dedicated USB hardware interface. This tool is particularly valuable for embedded developers creating custom devices with USB connectivity.

Key Features:

Firmware-only implementation requiring no special USB hardware
HID-based communication compatible with standard USB drivers
Supports multiple AVR microcontroller families
Small memory footprint suitable for resource-constrained devices

Use Cases:

Programming custom AVR-based USB devices in development
Updating firmware on field-deployed embedded systems
Creating USB-enabled projects without dedicated USB ICs

Alternatives:

avrdude – Standard AVR programmer that supports various hardware interfaces but requires dedicated programmers
dfu-programmer – Device Firmware Upgrade tool for Atmel AVR chips with built-in DFU bootloader

License: GPL-2.0-only OR GPL-3.0-only

Dependencies: libusb-compat

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, arm64_big_sur, sonoma, ventura, monterey, big_sur, catalina, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 12, 2025 7:25pm		0	VERSION_BUMP	f7d027e2