like so numerous of the projects we feature, this one started with a cheap eBay module purchase. In this case, it was a little Tesla coil that made good sized arcs but wasn’t quite good enough. The result was a super-sized solid state Tesla coil with better results and room to grow. As [GreatScott!] discovered, […]
We’re no complete stranger to radiation detector builds, however [Dmytry]’s MicroGeiger prototype is one of the smallest as well as a lot of beneficial we’ve seen. The concept behind the MicroGeiger comes from the observation that just about every contemporary smartphone can supply a little bit of power with the microphone jack. normally this is utilized […]
[Caleb] was given a tiny LED flashlight which has a crank used to charge it. regrettably it wasn’t holding a charge, and constant cranking didn’t work very well either. He cracked it open to find a single lithium button cell. instead of using a drop-in replacement he soldered in his own incredibly capacitor. The stock […]
After about six weeks of testing [Yifanlu] has released a steady version of the Kindle 3 firmware for utilize with Kindle 2 hardware. whatever seems to be working just fine with the patched firmware. We promptly jumped to the final thought that the upgrade need to run quite sluggish on the older hardware. [Yifanlu] addresses […]
[Frank Buss] developed an electronic version of a sticky note: a WiFi enabled, solar-powered ePaper, with magnets embedded in the casing. It’s based on the new ESP32, and the idea is that you can update it through your smart-phone or over the Internet through a cloud app to show any message you want. Being an […]
In 1979, [Nolan Bushnell] released Asteroids to the world. Now, he’s playing the game again, only this time around with the assist of a laser projector as well as a Kinect that turns any individual sitting on a stool – in this situation [Nolan] himself – into everyone’s preferred vector spaceship. It’s a job for heavy steam […]
[tari] sent in a idea about a MAX5214 DAC examination board AVNET is providing away this summer. The MAX5214 / MAX5216 is a neat bit chip supplying a 14 or 16 bit DAC with a serial interface in a small 8-pin package. [tari] believes this eval board might be hacked into a function generator, as well […]
NASA spends a great deal of time researching the earth as well as its surrounding area environment. One specific function of rate of interest are the Van Allen belts, so much to ensure that NASA developed special probes to research study them! They’ve now found a protective bubble they believe has been produced by human transmissions in the VLF […]
After getting his hands on this relic [Gregory Charvat] handle to hack it, converting the receiver into a transceiver. It may be old, however the R-390A is nothing to scoff at. It’s capabilities include AM, code, as well as FSK operation from 500 kHz to 32 MHz. however it is a receiver with no method […]