Hackaday Podcast 078: Happy B-Day MP3, Eavesdropping on a Mars Probe, Shadowcasting 7-Segments, and a Spicy Commodore 64

Hackaday editors Elliot Williams and Mike Szczys go down the rabbit hole of hacky hacks. A talented group of radio amateurs have been recording and decoding the messages from Tianwen-1, the Mars probe launched by the Chinese National Space Administration on July 23rd. We don’t know exactly how magnets work, …read more

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A Face Mask That’s Functional and Hacker-Certified

[splat238] needed a mask for going out in public, but wanted something that fit his personal style a bit better than the cloth masks everyone else was wearing. So, he upcycled his old airsoft mesh mask using an impressive 104 NeoPixels to create his NeoPixel LED Face Mask.

The NeoPixels …read more

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Hex Matrix Clock is Spellbinding

Just when we think we’ve seen all possible combinations of 3D printing, microcontrollers, and pretty blinkenlights coming together to form DIY clocks, [Mukesh_Sankhla] goes and builds this geometric beauty. It’s kaleidoscopic, it’s mosaic, and it sorta resembles stained glass, but is way cheaper and easier.

The crucial part of the …read more

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3D Printed ESP8266 TV is a Blast from the Past

We’ve often said that one of the best applications for desktop 3D printing is the production of custom enclosures, but you certainly aren’t limited to an extruded version of the classic Radio Shack project box. As [Marcello Milone] shows with this very clever retro TV enclosure for the Wemos D1 …read more

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Reviving a DOA Smart Bulb With Custom Firmware for Its ESP8266

There are some incredibly cheap WiFi smart bulbs on the market these days, but as is often the case, you tend to get what you pay for. When [Viktor] took delivery of his latest bargain basement bulb, the thing didn’t even work. So much for Quality Assurance. On the plus …read more

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Travel Globe Spins You Around Memory Lane

We all have our own preferences when it comes to travel souvenirs — that little something that brings back the memories and feelings of a past holiday every time we look at it, whether it’s the cliché fridge magnet, some local speciality, or just the collection of photos we took. …read more

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Easy, Secure HTTPS With an ESP8266

Security has always been an issue with IoT devices. Off the shelf devices often have terrible security while DIY solutions can be complicated, needing recompilation every time a website’s fingerprint changes. [Johannes] wrote in to let us know he’s been working on a way to make HTTPS requests easier to …read more

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WiFi Networks Turned Targets in this Pocket Game

Looking for a way to make his warwalking sessions a bit more interactive, [Roni Bandini] has come up with an interesting way to gamify the discovery of new WiFi networks. Using a Heltec WiFi Kit 8, which integrates an OLED screen and ESP8266, this pocket-sized device picks up wireless networks …read more

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Smart Home Meets Dumb Terminal

Most smart home products are designed to be controlled from a mobile device, which makes sense since that’s what the average consumer spends most of their day poking around on these days. But you aren’t the average consumer, are you? If you’re looking for a somewhat more tactile experience, then …read more

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