Clik here to view.
How Safe is That Ultrasonic Bath for Flux Removal?
How do you clean the residual flux off your boards? There are plenty of ways to go about the job, ranging from “why bother?” to the careful application of isopropyl alcohol to every joint with a...
View ArticleClik here to view.
Hackaday Podcast 045: Raspberry Pi Bug, Rapidly Aging Vodka, Raining on the...
Hackaday editors Mike Szczys and Elliot Williams talk over the last three weeks full of hacks. Our first “back to normal” podcast after Supercon turns out to still have a lot of Supercon references in...
View ArticleClik here to view.
Chandrayaan-2 Found by Citizen Scientist; Reminds Us of Pluto Discovery
What does Pluto — not the dog, but the non-Planet — have in common with the Vikram lunar lander launched by India? Both were found by making very tiny comparisons to photographs. You’d think landing...
View ArticleClik here to view.
David Williams Is “FPGA-Curious”
If you hadn’t noticed, we had a bit of an FPGA theme running at this year’s Superconference. Why? Because the open-source FPGA toolchain is ripening, and because many of the problems that hackers (and...
View ArticleClik here to view.
Swapping the ROMs in Mini Arcade Cabinets
You’ve probably seen a few of these miniature arcade games online or in big box retailers: for $20 USD or so you get scaled-down version of a classic arcade cabinet, perfect for a desk toy or to throw...
View ArticleClik here to view.
Inkjet Printing On The Cheap With A Continuous Ink System
Inkjet printers are cheap to buy, but expensive to run. Replacement cartridges can easily cost double the price of the hardware itself, leading many to decry the technology entirely. However, the...
View ArticleClik here to view.
Simple Pogo Programmer for ESP8266 Modules
ESP8266 development boards like the Wemos D1 Mini and NodeMCU are an excellent way to get a one-off project up and rolling quickly, but their size and relative complexity mean they aren’t necessarily a...
View ArticleClik here to view.
Upgrade Your Shades to Find Lost Items
Ever wish you could augment your sense of sight? [Nick Bild]’s latest hack helps you find objects (or people) by locating their position and tracking them with a laser. The device, dubbed Artemis,...
View ArticleClik here to view.
Beer Keg Becomes High-Performance Pizza Oven
Pizza varies all around the world, with several cities having put their own mark on the Italian dish. To make an authentic pie in the Neapolitan style requires extremely high temperatures in order to...
View ArticleClik here to view.
Learn Water Purification Techniques with this STEM Learning Kit
We see a lot of great STEM education projects. These projects have a way of turning into something much larger. How many commercial devices and machines are built on Raspberry Pi’s and Arduinos? [Ryan...
View ArticleClik here to view.
ESP32 Audio Sampling with Interrupts and IRAM
Interrupting while someone is talking is rude for humans, but smart for computers. [Ivan Voras] shows how to use interrupts to service the ESP32 analog to digital converters when sampling sound....
View ArticleClik here to view.
Death to all Coca Cola Cans with This Miniature Arduino Powered Cannon
[MJKZZ] sends in this entertaining little tutorial on building a small automated cannon out of a syringe. He starts the build off by modifying an arc lighter, the fancy kind one might use to light a...
View ArticleClik here to view.
Controlling Tremors As They Happen
Some neurological disorders, like Parkinson’s disease, can cause muscle tremors which can get worse as time goes along. In the beginning it may not be too difficult to manage, but as the disease...
View ArticleClik here to view.
From Fail to Wail: Guitar Picks Made from 3D Printed Waste
Between failed prints and iterative designs that need a few attempts before you nail them down, a certain amount of wasted material is essentially unavoidable when 3D printing. The good news is that...
View ArticleClik here to view.
This FPV Tank Explores The Lawn
Radio control is good and all, and it’s always fun to watch a little vehicle scoot about the backyard. But there’s always something to be said for feeling as though you’re really in control. First...
View ArticleClik here to view.
Hackaday Links: December 8, 2019
Now that November of 2019 has passed, it’s a shame that some of the predictions made in Blade Runner for this future haven’t yet come true. Oh sure, 109 million people living in Los Angeles would be...
View ArticleClik here to view.
Open-Source Satellite Propulsion Hack Chat
Join us on Wednesday, December 11 at noon Pacific for the Open-Source Satellite Propulsion Hack Chat with Michael Bretti! When you look back on the development history of any technology, it’s clear...
View ArticleClik here to view.
Can You Piezo A Peugeot?
Car manufacturers have a problem when it comes to climate change. Among the variety of sources for extra atmospheric CO2 their products are perhaps those most in the public eye, and consequently their...
View ArticleClik here to view.
Hackaday Superconference: An Analog Engineer Dives Into RF
Those of us who work with electronics will usually come to the art through a particular avenue that we master while imbibing what we need from those around it. For example, an interest in audio...
View ArticleClik here to view.
Drive A Plasma Ball With An ATV Ignition Coil And A 555
[Discrete Electronics Guy] sends in his short tutorial on building a high voltage power supply from simple things. The circuit is a classic, but we love the resourcefulness shown. The ignition coil...
View Article