Category Archives: wifi

Ask Hackaday: Does Your Car Need an Internet Killswitch?

Back in the good old days of carburetors and distributors, the game was all about busting door locks and hotwiring the ignition to boost a car. Technology rose up to combat this, you may remember the immobilizer systems that added a chip to the ignition key without which the vehicle …read more

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Posted in Ask Hackaday, automobiles, bluetooth, car hacks, cars, interent, Interest, killswitch, Original Art, trucks, Vehicles, wifi | Leave a comment

Tiny ESP32 Fits inside USB-A Connector

The ESP32 was introduced a few years ago as an inexpensive way to outfit various microcontrollers with WiFi or Bluetooth. Since then it has been experimented with and developed on, thanks to its similarities to the ESP8266 and the ability to easily program it. Watching the development of this small …read more

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Posted in bluetooth, d2wd, ESP32, femto, Femtoduino, Microcontrollers, micropython, small, usb, wifi | Leave a comment

ESP8266 and ESP32 WiFi Hacked!

[Matheus Garbelini] just came out with three (3!) different WiFi attacks on the popular ESP32/8266 family of chips. He notified Espressif first (thanks!) and they’ve patched around most of the vulnerabilities already, but if you’re running software on any of these chips that’s in a critical environment, you’d better push …read more

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Posted in crash, ESP32, ESP8266, hack, security, security hacks, sky is falling, vulnerability, wifi, wireless hacks | Leave a comment

The Amazon Dash Button: A Retrospective

The Internet of Things will revolutionize everything! Manufacturing? Dog walking? Coffee bean refilling? Car driving? Food eating? Put a sensor in it! The marketing makes it pretty clear that there’s no part of our lives which isn’t enhanced with The Internet of Things. Why? Because with a simple sensor and …read more

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Posted in acoustic modem, amazon, amazon dash button, amazon dash hack, amazon dash wand, Amazon Echo, battery, bluetooth, Dash button, e-waste, Hackaday Columns, hardware, Microcontrollers, reverse engineering, teardown, wifi | Leave a comment

This WiFi Spoofing Syringe Is For External Use Only

A browse through his collected works will tell you that [El Kentaro] loves to build electronics into interesting enclosures, so when he realized there’s enough room inside a 150 ml plastic syringe to mount an ESP8266, a battery, and a copious amount of RGB LEDs, the “Packet Injector” was the …read more

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Posted in beacon, ESP8266, fake network, huzzah, led hacks, Microcontrollers, pressure sensor, RGB LED, wifi, wireless hacks | Leave a comment

Four Years Of Learning ESP8266 Development Went Into This Guide

The ESP8266 is a great processor for a lot of projects needing a small microcontroller and Wi-Fi, all for a reasonable price and in some pretty small form factors. [Simon] used one to build a garage door opener. This project isn’t really about his garage door opener based on a …read more

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Posted in chrome, chrome development tools, coding, ESP, ESP8266, garage door, guide, howto, html, microcontroller, web server, wifi, wireless hacks | Leave a comment

Torturing an Instrumented Dive Watch, for Science

The Internet is a wild and wooly place where people can spout off about anything with impunity. If you sound like you know what you’re talking about and throw around a few bits of the appropriate jargon, chances are good that somebody out there will believe whatever you’re selling.

Case …read more

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Posted in BMP280, clock hacks, crown, depth, dving, ESP-01, misc hacks, pressure, seal, sensor, temperature, watch, water pressure, wifi | Leave a comment

Connecting New York City To The Backbone: Meet NYC’s Mesh Network

Access to fast and affordable internet is a big issue in the USA, even in a major metropolis such as New York City. Amidst a cartel of ISPs who simply will not deliver, a group of NYC inhabitants first took it upon themselves to ease this situation by setting up …read more

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Posted in computer hacks, internet, isp, mesh networking, nyc, nyc mesh, wifi | Leave a comment

Breakout Board Becomes Pogo Pin Programmer

Making a programming jig becomes exponentially more difficult after two pins and who would even consider building one if they were not setting up more than twenty boards? If it were easy for novices to construct jigs, we might all have a quiver of them on the shelf next to …read more

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Posted in firmware, Microcontrollers, pogo, Pogo pin, pogo pin jig, programming, software, Wemos, wifi | Leave a comment

Pocket-Sized Deauther Could Definitely Get You In Trouble

Interfering with radio communications, whether through jamming, deauthing attacks, or other meddling, is generally considered a crime, and one that attracts significant penalties. However, studying such techniques should provide a useful edge in the electronic wars to come. In this vein, [Giorgio Filardi] has recently built a WiFi deauther the …read more

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Posted in deauth attack, Deauthentication, wifi, wireless hacks | Leave a comment