Amateur radio is a hobby that is often thought of as being exclusive to those with a healthy expendable income. In recent years however, the tides have turned. Cheap microcontrollers …read more (https://hackaday.com/2021/12/08/four-band-digital-hf-sdr-transceiver-offers-high-performance-for-only-60/)

Made to Spec: the Coming Age of Prototyping as a Service
https://hackaday.com/2021/12/08/made-to-spec-the-coming-age-of-prototyping-as-a-service/

In the last decade, the price for making a single PCB plummeted. And we’ve featured tons of hacks with boards hailing from places like OSH Park or Seeed Studio. But …read more (https://hackaday.com/2021/12/08/made-to-spec-the-coming-age-of-prototyping-as-a-service/)

Squishy Robot Hardware Does Well Under Pressure
https://hackaday.com/2021/12/08/squishy-robot-hardware-does-well-under-pressure/

If your jealousy for Festo robots is festering, fret not! [mikey77] has shown us that, even without giant piggy banks, we can still construct some fantastic soft robotics projects with …read more (https://hackaday.com/2021/12/08/squishy-robot-hardware-does-well-under-pressure/)

Fail of the Week: Hackaday Writer Attempts XBox Repair
https://hackaday.com/2021/12/08/fail-of-the-week-hackaday-writer-attempts-xbox-repair/

Like a lot of Hackaday readers, I pride myself on being “the fix-it guy” in my family. When something breaks, I get excited, because it’s a chance to show off …read more (https://hackaday.com/2021/12/08/fail-of-the-week-hackaday-writer-attempts-xbox-repair/)

3D Printed Lithographic Moon Lamp
https://hackaday.com/2021/12/08/3d-printed-lithographic-moon-lamp/

After years of being a software developer, [Chris] was excited to get back into embedded development and we’re glad he did. His 3D printed lithographic moon lamp combines a number …read more (https://hackaday.com/2021/12/08/3d-printed-lithographic-moon-lamp/)

An Easy Music Visualizer With the Arduino Nano
https://hackaday.com/2021/12/08/an-easy-music-visualizer-with-the-arduino-nano/

Flashing LEDs are all well and good, but they’re even better if they can sync up with ambient sounds or music. [mircemk] has built the LUMAZOID visualizer to do just …read more (https://hackaday.com/2021/12/08/an-easy-music-visualizer-with-the-arduino-nano/)

[Getting Rid Of] The Ghost In the LED
https://hackaday.com/2021/12/08/getting-rid-of-the-ghost-in-the-led/

Multiplexing is a very old technology in which control signals are intermixed for the sake of being able to control more devices than there are control signals. For [mihai.cuciuc], the …read more (https://hackaday.com/2021/12/08/getting-rid-of-the-ghost-in-the-led/)

Almost-Modern TeleType is Silent
https://hackaday.com/2021/12/08/almost-modern-teletype-is-silent/