Arduino UNO R4 WiFi
Best for: Connected prototypes and control learning
The familiar UNO form factor updated with a 32-bit main controller and onboard wireless connectivity.
Compare retailersBoards, soldering gear, and prototyping tools for practical controls and small machines.
Use our notes to choose the right format, then check current retailer availability.
Affiliate disclosure: This page contains retailer links. If you buy after clicking one, Dianao may earn a commission at no extra cost to you. As an Amazon Associate, Dianao earns from qualifying purchases.
Best for: Connected prototypes and control learning
The familiar UNO form factor updated with a 32-bit main controller and onboard wireless connectivity.
Compare retailersBest for: Dashboards, gateways, vision, and Linux control
A compact Linux computer with more CPU and I/O headroom than earlier Pi generations.
Compare retailersBest for: Reliable electronics assembly and repair
A temperature-controlled bench soldering station with replaceable tips and straightforward controls.
Compare retailersBest for: Fast small fixtures, enclosures, and concept parts
A compact bedslinger-style printer focused on automated calibration and approachable operation.
Compare retailersChoose by timing, startup behavior, software stack, and failure mode—not by headline processing power.