Other
“Many IOT projects operate intermittently. If they have to run by battery this is an enormous power drain. For example, a project that operates 30 seconds every 10 minutes wastes 95% of the battery capacity! This circuit manages battery power …
“1 Boolean logic with Arduino Binary and boolean sometimes seem like buzzwords, particularly “binary,” but that’s just because people become so fond of this mode of thinking once they get into it. Hint: They’re the cool geeks with …
“A lightweight ATMega328p based information display panel thingie for RepRap firmware based 3D Printers; specifically the Duet controller. This is somewhat of a Parts bin special; I wanted to add some sort of temperature feedback to my DuetWifi controlled 3D …
“Why one more capacity tester I read through a lot of different tester build instructions but none of them seem to fit my needs. I wanted to be able to test also more than just singe NiCd/NiMH or Lion …
“cVert is the result of an idea I’ve been kicking around for years, and took a few months of work to bring to fruition. The idea was to use a Geiger counter as a true random number generator to …
“A cheap beam break sensor utilising a reflector panel instead of a transmitter / receiver setup. Capable of handling long distances. Specific parts list: I found These LEDs with a half-angle of 5 degrees able to emit 100mA of power. They …
“Cool little Pocket Metal Locator sensitive enough to identify small nails and tacks in wood with four independent search coils and LEDs. This cool little Pocket Metal Locator is sensitive enough to identify small nails and tacks in wood and …
“The Boldport Cordwood has 6 LEDs. My guitar has 6 strings. So let’s make a tuner.. The Boldport Cordwood has six LEDs. Six is one of my favourite numbers .. like the number of strings on a standard guitar. So …
“This cool little Pocket Metal Locator is sensitive enough to identify small nails and tacks in wood and compact enough to fit into awkward spaces making it convenient to carry and use for metal locating. The unit has four independent …
“In developing an OLED ID Tag, I needed to make my design as energy efficient as possible. One approach was to only display the tag if there was someone nearby (think ComiCon or Exhibition booths). The sensors themselves can draw …