Machine screws aren’t made for wood or sheet metal, they make specific screws for those applications. You probably also know there are special screws for plastic. But did you know …read more (https://hackaday.com/2026/04/10/using-metal-screws-in-plastic-parts/)

Rust-y Firmware for Waveshare Smartwatch
https://hackaday.com/2026/04/11/rust-y-firmware-for-waveshare-smartwatch/

Waveshare makes a nifty little ESP32-S3 based smartwatch product, but its firmware is apparently not to everyone’s liking. Specifically, it’s not to [infiniton] a.k.a [Bright_Warning_8406]’s liking, as they rewrote the …read more (https://hackaday.com/2026/04/11/rust-y-firmware-for-waveshare-smartwatch/)

What’s Your Favorite Kind of Hack?
https://hackaday.com/2026/04/11/whats-your-favorite-kind-of-hack/

Talking with [Tom Nardi] on the podcast this week, he mentioned his favorite kind of hack: the community-developed open-source firmware that can be flashed into a commercial product that has …read more (https://hackaday.com/2026/04/11/whats-your-favorite-kind-of-hack/)

Authenticate SSH with Your TPM
https://hackaday.com/2026/04/11/authenticate-ssh-with-your-tpm/

You probably don’t think about it much, but your PC probably has a TPM or Trusted Platform Module. Windows 11 requires one, and most often, it stores keys to validate …read more (https://hackaday.com/2026/04/11/authenticate-ssh-with-your-tpm/)

Implementing PCIe over Fiber Using SFP Modules
https://hackaday.com/2026/04/11/implementing-pcie-over-fiber-using-sfp-modules/

Although we can already buy commercial transceiver solutions that allow us to use PCIe devices like GPUs outside of a PC, these use an encapsulating protocol like Thunderbolt rather than …read more (https://hackaday.com/2026/04/11/implementing-pcie-over-fiber-using-sfp-modules/)

A Suction-Driven Seven-Segment Display
https://hackaday.com/2026/04/11/a-suction-driven-seven-segment-display/

There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, vacuum tubes, and transistors being some well-known examples. In a smaller way, …read more (https://hackaday.com/2026/04/11/a-suction-driven-seven-segment-display/)

Kiki is the Unknown Array Language
https://hackaday.com/2026/04/11/kiki-is-the-unknown-array-language/

Kiki bills itself as the “array programming system of unknown origin.” We thought it reminded us of APL which, all by itself, isn’t a bad thing. The announcement post is …read more (https://hackaday.com/2026/04/11/kiki-is-the-unknown-array-language/)