VHDLwhiz

Veibeskrivelse Nettsted

VHDLwhiz Helping engineers learn VHDL and FPGA design the practical way. Free articles and videos, plus paid courses and a membership.

Run by Jonas, an FPGA engineer from Norway.

20/08/2026

The VHDLwhiz Membership is $39/month until Friday, August 21. From Saturday it's $59 for new members, and whoever joins before the deadline keeps $39 for as long as they stay subscribed.

Here's what you actually get, in 60 seconds: it's not a course, it's an FPGA and VHDL training portal. 43 courses, 75 resource items, around 600 videos, and something new every month.

The resource items are things like coding challenges where you complete the code and run it through my self-checking testbench, plus example designs and testbench templates you can use in your own work.

https://go.vhdlwhiz.com/membership2026f3

11/08/2026

The VHDLwhiz Membership goes from $39 to $59 per month on August 22. Join before Friday, August 21, and you keep $39/month for as long as your subscription stays active.

Every time I've raised the price since 2021, existing members kept the rate they signed up for. People who joined in the beta launch still pay $17/month today.

Inside: 43 VHDL and FPGA courses, 75 resource items, around 600 videos, and something new on the 1st of every month.

https://go.vhdlwhiz.com/membership2026f2

10/08/2026

I hadn't shown the inside of the VHDLwhiz Membership portal since 2021.

Five years of publishing something new every month adds up, so here is the full walkthrough, as the portal looks in August 2026.

What's in there right now:

* 43 VHDL and FPGA courses, beginner to advanced, close to 600 videos in total

* 75 resource items: working modules, example projects, and coding challenges with self-checking testbenches

Something new on the 1st of every month

The newest course is an AXI4 master written in VHDL, verified with VUnit, and benchmarked against DDR3 memory on an Arty S7 board. Most lessons run in simulation, so you can follow along without an FPGA board.

Two courses are not included in the membership: the Dot Matrix course and the FPGA and VHDL Fast-Track. Those are standalone products.

One thing worth knowing while you watch. On August 22, the membership goes from $39 to $59 per month for new members.

Existing members always keep the price they signed up for. So if you join before Friday, August 21, you keep $39/month for as long as your subscription stays active.

10/08/2026

I hadn't shown the inside of the VHDLwhiz Membership portal since 2021.

Five years of publishing something new every month adds up, so here is the full walkthrough, as the portal looks in August 2026.

What's in there right now:

43 VHDL and FPGA courses, beginner to advanced, close to 600 videos in total
75 resource items: working modules, example projects, and coding challenges with self-checking testbenches
The same testbench boilerplate in five versions: plain VHDL, my own packages, VUnit, UVVM, and OSVVM
Something new on the 1st of every month
The newest course is an AXI4 master written in VHDL, verified with VUnit, and benchmarked against DDR3 memory on an Arty S7 board. Most lessons run in simulation, so you can follow along without an FPGA board.

Two courses are not included in the membership: the Dot Matrix course and the FPGA and VHDL Fast-Track. Those are standalone products.

One thing worth knowing while you watch. On August 22, the membership goes from $39 to $59 per month for new members. Existing members always keep the price they signed up for. So if you join before Friday, August 21, you keep $39/month for as long as your subscription stays active.

There's a new course on VHDLwhiz: AXI4 master in VHDL with a DDR3 benchmark demo.Using the memory interface generator (M...
04/08/2026

There's a new course on VHDLwhiz: AXI4 master in VHDL with a DDR3 benchmark demo.

Using the memory interface generator (MIG) is the easiest way to add DDR3 memory to your AMD/Xilinx VHDL projects. But you need to write an AXI4 master (a.k.a. "manager") to communicate with it.

Over the 12 lessons in the new course, I go through how the five channels of the AXI4 bus protocol work, how to verify it in simulation using VUnit's AXI slave (a.k.a. "subordinate") verification component, and how to implement the demo using a Vivado block design.

The image is a screenshot from the final lesson where we test the throughput of different burst lengths targeting DDR3 or block RAM.

The new course is available in the VHDLwhiz Membership or as a standalone purchase. View the course outline and get access here: https://go.vhdlwhiz.com/faxi4master

11/06/2026

FFT on FPGA in VHDL with a real-time audio demo.

Learn how the Fast Fourier transform (FFT) works from the ground up, then use AI to build a real-time audio spectrum analyzer in VHDL, shown live on an OLED display from an FPGA.

02/06/2026

Do delta cycles exist in hardware? No, not really.

16/05/2026

Why does the VHDLwhiz Membership cost only $39/month?

My FPGA and VHDL Fast-Track course has aged in ways I didn't expect.When I built it in 2020, the Lattice iCEstick cost a...
14/05/2026

My FPGA and VHDL Fast-Track course has aged in ways I didn't expect.

When I built it in 2020, the Lattice iCEstick cost around $21.86, and the iCEcube2 design software was free. Both have changed since.

The iCEstick FPGA board now costs $152.47.

And Lattice Semi now charges $322.93/year for iCEcube2 licenses.

(Although they have very generously let me hand out educational licenses to everyone who buys a VHDLwhiz course that uses Lattice FPGAs. Thank you, Lattice!)

Originally, I intended Fast-Track to be a lead magnet. I didn't plan on making money from it. I wanted it to be a low-bar, stepping-stone for people who wanted to get into FPGAs. That's why I focused on low-cost parts.

Another thing that irritates me is that I put a hyphen in the name, but that's a different story.

If you're starting with FPGAs today, this is what I'd recommend:

Start with the free Basic VHDL Tutorials. No hardware, no licenses, no friction. Just VHDL fundamentals.

When you're ready for more, the VHDLwhiz Membership picks up from there. Forty-plus courses spanning verification, protocols, SoC design, DSP, and project builds. You pick what's relevant to the FPGA you actually work with.

Fast-Track stays available for anyone who wants it and has the hardware sorted. But I'd rather tell you straight. Links in the comments.

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