While there is no official "free download" for Phil’s Lab paid courses, the creator provides an extensive library of free, high-quality educational content that covers similar ground to his premium offerings. Official Paid Courses

3. The Newsletter

Phil’s Lab, created by Philip Salmony, provides specialized education in high-speed hardware and PCB design, offering both extensive free tutorials and structured premium courses. While the "full courses" are paid products hosted through platforms like FEDEVEL, a significant amount of the curriculum is available for free on his YouTube channel. How to Access Phil's Lab Content for Free

• A full custom PCB (e.g., STM32F4 dev board or USB hub)
• Embedded firmware from scratch (bare-metal or HAL)
• Understanding of signal integrity, power delivery, and ESD protection