Overengineered Sim Racing Solutions Gear & Rev Indicator Review – The €50 Gateway Drug
Quick summary· AI-generated
Laurence reviews a budget-friendly SimHub gear/rev indicator: Arduino-based hardware in a 3D-printed enclosure that connects via USB-C and integrates seamlessly with SimHub. Setup is plug-and-play with automatic Arduino detection; the device displays current gear and RGB rev lights that respond to pit limiter and shift points. The author found it surprisingly polished for the price (£45/€50) and notes that proper RPM configuration in SimHub is critical for correct behavior. While not essential, the accessory adds enough visual feedback that it encourages further rig upgrades.
Excerpt from Laurence Dusoswa
This is probably how your addiction to sim racing equipment starts. At around £45 / €50, the Overengineered Sim Racing Solutions gear and rev indicator looks harmless. It’s small, simple and absolutely not something you need.
And that’s exactly the problem. Once it’s sitting on your rig, flashing through the rev range and showing your current gear, it adds just enough extra polish that you start wondering what else you could add.
What is it?
Fundamentally, this is a very simple SimHub accessory. You get a gear indicator, RGB rev lights and the ability to use those LEDs for things like flags, pit limiter alerts and custom sequences. It’s Arduino-based hardware inside a 3D-printed enclosure, and it connects to your PC over USB-C.
You do need to provide your own USB-A to USB-C cable. That’s worth knowing before it arrives.
Yes, you could absolutely build something similar yourself. If you enjoy DIY electronics and 3D printing, go for it. But at roughly £45, I think the appeal here is obvious: somebody else has already built it, enclosed it nicely and made the whole thing essentially plug-and-play.
SimHub setup is incredibly easy
Once connected, the device appeared automatically for me in SimHub under the Arduino section. I didn’t need to flash firmware or start configuring an Arduino from scratch.
In fact, it basically worked out of the box. My first problem was entirely self-inflicted: I’d mounted it upside down. SimHub lets you change the matrix orientation, so a quick 90-degree adjustment fixed that without physically remounting anything.
From there, changing gear immediately updated the display and the LEDs behaved as expected. With the pit limiter active they flashed appropriately, then returned to functioning as rev lights when I left the pits.
Make sure your RPM settings are correct
I initially thought the rev lights were coming on too early in the Mazda. It turned out I had a per-car RPM override in SimHub set to around 6,000 RPM.
Once I disabled that override, everything behaved properly. As I approached the top of the rev range, the LEDs built naturally and the gear indicator itself flashed near the shift point.
That’s worth checking if yours appears to be behaving strangely. The hardware may be doing exactly what SimHub is telling it to do.
It looks good even on a high-end rig
This was probably my biggest surprise. My rig has considerably more expensive hardware on it, including steering wheels that already provide gear displays and…
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