With the proliferation of biometric access to mobile devices, entering a password on your desktop can feel so passé. [Snazzy Labs] decided to fix this problem for his Mac by …read more (https://hackaday.com/2022/12/26/standalone-touch-id-for-your-desktop-mac/)

Turning a Microchip MPLAB Snap Into a UDPI AVR Programmer
https://hackaday.com/2022/12/26/turning-a-microchip-mplab-snap-into-a-udpi-avr-programmer/

The Unified Program and Debug Interface (UPDI) is Microchip’s proprietary interface for programming and on-chip debugging, and has become the standard on AVR MCUs after Microchip’s purchase of Atmel. Being …read more (https://hackaday.com/2022/12/26/turning-a-microchip-mplab-snap-into-a-udpi-avr-programmer/)

Connecting Commercial 433 MHz Sensors to MQTT and Home Assistant with RTL-SDR
https://hackaday.com/2022/12/26/connecting-commercial-433-mhz-sensors-to-mqtt-and-home-assistant-with-rtl-sdr/

When [Elixir of Progress] was looking at setting up environmental sensors around their home to keep track of temperature, humidity and such, the obvious ideas of using WiFi-connected sensors didn’t …read more (https://hackaday.com/2022/12/26/connecting-commercial-433-mhz-sensors-to-mqtt-and-home-assistant-with-rtl-sdr/)

Tube Audio Amplifiers Needn’t Be Complex
https://hackaday.com/2022/12/26/tube-audio-amplifiers-neednt-be-complex/

There’s a mystique in audiophile circles about tube amplifiers. They can have a very nice sound which is attributed to their even-harmonic distortion, but they are often portrayed as requiring …read more (https://hackaday.com/2022/12/26/tube-audio-amplifiers-neednt-be-complex/)

Teensy Twofer of Plug-In Emulated Retro CPUs
https://hackaday.com/2022/12/26/teensy-twofer-of-plug-in-emulated-retro-cpus/

[Ted Fried] wrote in with not one but two (2!) new drop-in replacements for widespread old-school CPUs: the Zilog Z80 and the Intel 8088. Both of the “chips” run in …read more (https://hackaday.com/2022/12/26/teensy-twofer-of-plug-in-emulated-retro-cpus/)

3D-Printed Self-Balancing Robot Brings Control Theory to Life
https://hackaday.com/2022/12/27/3d-printed-self-balancing-robot-brings-control-theory-to-life/

Stabilizing an inverted pendulum is a classic problem in control theory, and if you’ve ever taken a control systems class you might remember seeing pages full of differential equations and …read more (https://hackaday.com/2022/12/27/3d-printed-self-balancing-robot-brings-control-theory-to-life/)

One Hacker’s Battle To Slightly Improve A Sadistic Sony Headset
https://hackaday.com/2022/12/27/one-hackers-battle-to-slightly-improve-a-sadistic-sony-headset/

One thing you won’t read in reviews of pricey Sony WH-1000XM3 headphones – if you choose them, you’re going to find yourself in a one-sided abusive relationship. A button press …read more (https://hackaday.com/2022/12/27/one-hackers-battle-to-slightly-improve-a-sadistic-sony-headset/)

All About USB-C: Illegal Adapters
https://hackaday.com/2022/12/27/all-about-usb-c-illegal-adapters/