Other
“3-channel voltmeter with the ability to measure both negative & positive voltages on the same circuit or 3 different circuits simultaneously Stuck with only one multimeter/voltmeter ? But, sometimes you need to check 2 or 3 voltages as the same time …
“There is an old-fashioned type of Persistence-Of-View display called Nipkow disk display. I made a desk clock using that principle. My clock has an Arduino UNO heart and a olimex mod-RTC clock module to keep the time*. It features …
“I made a Bluetooth trackball in which all the electronics are inside the ball. The ball is the entire trackball. Here it is in action: Inside the ball there’s a microcontroller and a set of sensors that together with …
“BrowZen correlates your emotional states with the web sites you visit to give you actionable insights about your time on the web. A webcam attached to an NVIDIA Jetson Xavier NX captures periodic images of the user of the computer …
“For another project I urgently needed a relatively large number to indicate a duration. From this this small “sub-project” emerged. Because with the 3D printed frame described here and a couple of WS2812 LEDs you can easily build a seven-segment …
“Here, we propose an open-source, portable, autonomous, cheap and easy-to-use device to monitor and record the concentration of CO2 in ambiant air in real-time. Using CO2 as a proxy for respiratory aerosols, the device can help define best practices regarding …
“Easily display custom animated glyphs on 16x2 LCD using the createChar() function from the LiquidCrystal library. The LiquidCrystal library makes it easy to use LCDs with Arduino. A particularly interesting function from that library is the createChar() function: you can …
“Reincarnation of Rubik’s Cube as 3D-printed version with PSoC CapSense and WS2812B illumination. Most of you might have been still babies when Rubik’s Cube was an amazing more than just a toy in the 1980s, and it’s …
“Measuring Time The human mind has been fascinated by devices that keep track of time for thousands of years. A wide range of ingenious methods have been employed by different cultures including Chinese marked candles, Egyptian sundials and Roman clepsydrae …
“Want a color-angular approach to inspecting your solder joint fillet quality? This rainbow-dome is your solution for less than $20! Hackaday covered some of the tools used for soldering inspection and I’m interested in photographing parts with this unique …