MULTIPURPOSE ESP8266 KEYCHAIN
one of the best feature of the ESP8266 is its ability to self-host a web server, allowing for fairly complicated user interactions. The dEEbugger by [S-March] is a nifty little ESP8266 based device with a plethora of features in a small package. The USB-powered device has a web user interface that enables it to be used as a …
IPOD INTEGRATION FOR factory RADIOS
a lot of factory radios in cars and trucks don’t include a line in. alfaGato made a decision he wanted to integrate an iPod into his system, but wanted to maintain the factory functions. His Saab 9-3 came with GM’s OnStar system (not activated) which he thought would make a decent in road into the …
ASK HACKADAY: exactly how ARE THESE THIEVES EXPLOITING AUTOMOTIVE KEYLESS ENTRY?
A new assault on automotive keyless entry systems is making headlines as well as we want to understand exactly how you believe it’s being done. The Today show reports that automobiles of different makes as well as designs are being damaged into utilizing keyless entry on the passenger’s side of the car. It seems like …
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TEMPEST FOR ELIZA
“Tempest for Eliza” is a program written by Erik Thiele to demonstrate the RF transmission properties of CRT monitors. The program is capable of transmitting sound over AM frequencies just by the distinct way it drives the monitor. The electromagnetic emissions of CRTs can be a safety and security problem as demonstrated by Van Eck …
QTLEDTEST – software TO assess OLED displays
A few days ago we featured the USBPass, an offline password keeper made with very few components. At the end of our write-up we discussed that [Josh] was already working on another version of his hardware, which involved adding an OLED screen to the platform. To help him pick one he created QtLedTest, a Qt-based tool …
PROTOTYPE SODIUM ION BATTERIES IN 18650 CELLS
French researchers have announced a prototype of an 18650 sodium-ion battery. If you’ve gotten a powerful LED flashlight, a rechargeable battery pack, or a–ahem–stronger than normal LASER pointer, you’ve probably run into 18650 batteries. You often find these inside laptop batteries and –famously– the Tesla electric automobile runs on a few thousand of these cells. …
RETROCOMPUTING ON A CHIP
new electrical elements allow us to reconstruct old wiring a lot more efficiently. Especially, the easily accessible as well as affordable FPGA kits which offer the possibility to put together wiring of lots of old computers as an “on-a-chip” solution. When I handled to get a hold of an old bubble LED screen as well …
NTP, RUST, as well as ARDUINO MAKE A PHENOMENAL frequency COUNTER
Making a microcontroller perform as a frequency counter is a fairly simple task including the measurement of the time period during which a number of pulses are counted. The maximum frequency is nevertheless restricted to a fraction of the microcontroller’s clock speed as well as the accuracy of the resulting instrument depends on that of …
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ELECTRIC SNOW SCOOTER
[Dane] made a decision he wanted to make a rather large electric scooter, capable of taking him through even the most inclement weather — that’s right, even snow. Well, after about 18 months of stop as well as go work it is finally total — for now. It features an excellent 7kW brushless 3-phase motor, …
ASK HACKADAY: ARE EXTRUDERS THE only possible tools FOR TOOLCHANGING?
Toolchanging in 3D printers is no longer something from the bleeding edge; it’s going mainstream. E3D has a top quality set for a toolchanger as well as movement system, our own Joshua Vasquez has shared details about the open-source toolchanging Jubilee design, as well as just just recently Prusa3D formally revealed the Prusa XL, which …
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