Entries in making on Unique.https://unique.rzen.dev/en-ushttps://unique.rzen.dev/reviews/nfc-business-card/https://unique.rzen.dev/reviews/nfc-business-card/Wilson Harper's PCB business card harvests energy from the phone tapping it to animate 21 Charlieplexed LEDs — and the write-up shows every decision, including the one that breaks the datasheet on purpose.Mon, 31 Aug 2026 00:00:00 GMTmakingpcbnfcelectronicsdiyopen-sourcehttps://unique.rzen.dev/reviews/ivan-bohun/https://unique.rzen.dev/reviews/ivan-bohun/A live personal site running on six £12 ESP32-S3 boards in a London flat: four serving blades hold a leader election over encrypted radio and fail over MAC, IP and TLS certificate in under four seconds.Sun, 16 Aug 2026 00:00:00 GMTmakingself-hostingesp32open-sourcenetworkingtlshttps://unique.rzen.dev/reviews/morningprint/https://unique.rzen.dev/reviews/morningprint/An Epson receipt printer wakes before its owner and prints one piece of CP437 block art and a short verse, themed to the day. MIT-licensed, and honest about the week it went wrong.Fri, 07 Aug 2026 00:00:00 GMTmakingraspberry-pithermal-printergenerative-artopen-sourceescposhttps://unique.rzen.dev/reviews/cycloidal-gearbox/https://unique.rzen.dev/reviews/cycloidal-gearbox/Three iterations of a printed cycloidal drive for a NEMA 17, with measured torque and efficiency, plus a Fusion 360 script that generates the rotor profile for any ratio.Sun, 02 Aug 2026 00:00:00 GMTmaking3d-printingcadopen-sourceengineeringfusion-360https://unique.rzen.dev/reviews/giant-d20-kit/https://unique.rzen.dev/reviews/giant-d20-kit/Lumin's Workshop and Jazza Studios ship a foam-smithing kit that builds a rollable twenty-sided die in three absurd sizes, with handed bevel cutters and no glue anywhere in the box.Wed, 29 Jul 2026 00:00:00 GMTmakingfoam-craftdicetabletopgiftablekithttps://unique.rzen.dev/reviews/chompsaw-power-tool-for-kids/https://unique.rzen.dev/reviews/chompsaw-power-tool-for-kids/A kid-safe benchtop power tool that cuts cardboard with an oscillating hole-punch action instead of a blade — certified for ages 3+, and engineered around a child's hands rather than shrunk down from an adult tool.Sat, 04 Jul 2026 00:00:00 GMTmakingkidstoolsdesigncardboardstem