I created a cheap "button box" using a external numeric pad. If your in r/trucksim then you will have seen my one i made for American Truck Simulator. Im a very casual/new
Amazon.com: SIM-PANEL Classic ATS/ETS2 Button Box for American Truck Simulator (ATS/ETS2 Button Box w/Desk Clamps & VESA Compatibility) : Automotive
Excalibur - Trucking Series Controllers - Evol PC Gaming
Small Button Box for Flight Simulator ETS ATS Control Panel W/ CB Microphone | eBay
ATS Button Box (Gold, Push Start)
American Truck Simulator Shifter and ATS Button Box for - Etsy Finland
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Faceplates (Patriot Box) | ATSAccessories.com
Community Designs - SIM Dashboard
Community Designs - SIM Dashboard
Amazon.com: SIM-PANEL Classic ATS/ETS2 Button Box for American Truck Simulator (ATS/ETS2 Button Box w/CB Communications w/VESA Compatibility) : Automotive
Heavy Hauler - Trucking Series Controllers - Evol PC Gaming