Hardware Hackers DIY Pick2026/05/31 01:29:25A $15 ESP32 board + one SOIC8 chip = 13-platform retro handheldDynaMight1124's CYD Emulator Station upgrades the $15 Cheap Yellow Display (ESP32-2432S028) into a 13-platform retro game handheld by soldering a PSRAM chip onto an unpopulated SOIC8 footprint and running Retro-Go v1.46. $30–45 BOM, Intermediate difficulty, weekend-build.
Hardware Hackers DIY Pick2026/05/24 01:19:22$50 PVC turbine produces 200W from a 3-meter water drop — no concrete, no permitsDaniel Connell's Low Head Turbine turns a 3-metre head of flowing water into ~200 W DC using a $30–50 BOM of PVC fittings, a 120 mm PC fan, and a scavenged hoverboard hub motor — no PCB, no firmware, no soldering required.
Hardware Hackers DIY Pick2026/05/17 22:56:14This weekend's build: Linux terminal inside a clamshell evening bagBuilder cc (bossbratox) packed a Raspberry Pi 3A+, touchscreen, and a full Python TUI OS into a pink clamshell purse — no soldering, $274 BOM, MIT-licensed, 1–2 day intermediate build.