Grumpy Old Geeks Products Arduino starter kit R4 Product Arduino starter kit R4 2 mentions in 1 episode An electronics starter kit one host says he ordered while learning about circuits. Mentions 760: Level 5 Podcasting Accident Aug 27, 2026 43:56 I ordered my first Arduino starter kit, the R4 45:57 I got this kit because it doesn't require soldering at first