ESP8266 Coaster Keeps Your Drink Warm
https://hackaday.com/2023/01/27/esp8266-coaster-keeps-your-drink-warm/

Looking for the perfect winter desk accessory? [Wq] has created a beautiful coaster made out of PCBs  that can keep your drink warm with an internal heater. (Chinese). An ESP8266 …read more (https://hackaday.com/2023/01/27/esp8266-coaster-keeps-your-drink-warm/)

Hackaday Podcast 203: Flashlight Fuel Fails, Weird DMA Machines, and a 3D Printed Prosthetic Hand Flex
https://hackaday.com/2023/01/27/hackaday-podcast-203-flashlight-fuel-fails-weird-dma-machines-and-a-3d-printed-prosthetic-hand-flex/

This week, Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi meet up virtually to talk about all the hacks that are fit to print. This week’s episode starts off with …read more (https://hackaday.com/2023/01/27/hackaday-podcast-203-flashlight-fuel-fails-weird-dma-machines-and-a-3d-printed-prosthetic-hand-flex/)

LED Air Vent Gauges are a Tasteful Mod for the Mazda Miata
https://hackaday.com/2023/01/27/led-air-vent-gauges-are-a-tasteful-mod-for-the-mazda-miata/

Anyone in the JDM scene can tell you, round air vents are prime real estate for round analog gauges. If you want a gauge but don’t want to block your …read more (https://hackaday.com/2023/01/27/led-air-vent-gauges-are-a-tasteful-mod-for-the-mazda-miata/)

Cut Your Own Gears With This DIY Machine
https://hackaday.com/2023/01/27/cut-your-own-gears-with-this-diy-machine/

You can buy gears off the shelf, of course, and get accurately machined parts exactly to your chosen specification. However, there’s something rugged and individualist about producing your own rotating components. …read more (https://hackaday.com/2023/01/27/cut-your-own-gears-with-this-diy-machine/)

Reverse-Engineering the Conditional Jump Circuitry in the 8086 Processor
https://hackaday.com/2023/01/27/reverse-engineering-the-conditional-jump-circuitry-in-the-8086-processor/

As simple as a processor’s instruction set may seem, especially in a 1978-era one like the Intel 8086, there is quite a bit going on to go from something like …read more (https://hackaday.com/2023/01/27/reverse-engineering-the-conditional-jump-circuitry-in-the-8086-processor/)

A Single-Resistor Radio Transmitter, Thanks to the Power of Noise
https://hackaday.com/2023/01/27/a-single-resistor-radio-transmitter-thanks-to-the-power-of-noise/

One of the great things about the Hackaday community is how quickly you find out what you don’t know. That’s not a bad thing, of course; after all, everyone is …read more (https://hackaday.com/2023/01/27/a-single-resistor-radio-transmitter-thanks-to-the-power-of-noise/)

FPS Game Engine Built in Ancient Macintosh HyperCard Software
https://hackaday.com/2023/01/27/fps-game-engine-built-in-ancient-macintosh-hypercard-software/

Wolfenstein 3D and Doom are great examples of early FPS games. Back in that era, as Amiga was slowly losing its gaming supremacy to the PC, Apple wasn’t even on the playing …read more (https://hackaday.com/2023/01/27/fps-game-engine-built-in-ancient-macintosh-hypercard-software/)