Polls

Is there an unsecured wireless network near you?
 
Create Cheap Philips Hue Compatible Devices
Thursday, 02 March 2017 13:00

The Philips Hue range is a great way to add wirelessly controllable lighting to your home, but the protocol is proprietary which makes it difficult to add our own custom hardware. [Peter] found a way to create his own Hue compatible devices based on cheap JN5168 modules that are able to connect to the Hue bridge. This means you can roll out your own lamps using cheap RGB or White LEDs, a power supply and the JN5168 Zigbee Light Link module.

He started off by trying to clone a Zigbee Light Link device to a MeshBee — Seeed studio’s open …read more

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Suddenly, Wireless Power Transmission Is Everywhere
Friday, 24 February 2017 12:01

Wireless power transfer exists right now, but it’s not as cool as Tesla’s Wardenclyffe tower and it’s not as stupid as an OSHA-unapproved ultrasonic power transfer system. Wireless power transfer today is a Qi charger for your phone. It’s low power – just a few amps — and very short range. This makes sense; after all, we’re dealing with the inverse square law here, and wireless power transfer isn’t very efficient.

Now, suddenly, we can transfer nearly two kilowatts wirelessly to electronic baubles scattered all over a room. It’s a project from Disney Research, it’s coming out of Columbia University,  …read more

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33C3: Dissecting 3G/4G Phone Modems
Tuesday, 21 February 2017 09:00

[LaForge] and [Holger] have been hacking around on cell phones for quite a while now, and this led to them working on the open cellphone at OpenMoko and developing the OsmocomBB GSM SDR software. Now, they are turning their sights on 3G and 4G modems, mostly because they would like to use them inside their own devices, but would also like to make them accessible to the broader hacker community. In this talk at the 33rd Chaos Communications Congress (33C3), they discuss their progress in making this darkest part of the modern smartphone useful for the rest of us.

This …read more

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ESP8266 BASIC Sets Up a Web Remote in No Time
Monday, 20 February 2017 09:00

One of the sticking points for us with our own Internet of Things is, ironically, the Internet part. We build hardware happily, but when it comes time to code up web frontends to drive it all, the thrill is gone and the project is only half-done.

Including some simple web-based scripting functionality along with the microcontroller basics is one of the cleverest tricks up ESP8266 BASIC’s sleeves. BASIC author [mmiscool] puts it to good use in this short demo: a complete learning IR remote control that’s driven through a web interface, written in just a few lines of BASIC.

Note …read more

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The Best Conference Badge Of 2017 Is A WiFi Lawn
Saturday, 18 February 2017 18:00

It’s February, conference season hasn’t even started yet, and already there’s a winner of the best electronic badge of the year. For this year’s MAGfest in beautiful downtown Baltimore, [CNLohr] and friends distributed 2,000 ESP8266-based swag badges.

These custom #badgelife badges aren’t. Apparently, MAGFest wouldn’t allow [CNLohr] to call these devices ‘badges’. Instead, these are ‘swadges’, a combination of swag and badges.  On board theses swadges is an ESP-12, a quartet of RGB LEDs, and buttons for up, down, left, right, A, B, Select, and Start. The swadge is powered by two AA batteries (sourced from Costco of all places), …read more

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Hacking on the Weirdest ESP Module
Tuesday, 14 February 2017 15:01

Sometimes I see a component that’s bizarre enough that I buy it just to see if I can actually do something with it. That’s the case with today’s example, the ESP-14. At first glance, you’d ask yourself what AI Thinker, the maker of many of the more popular ESP8266 modules, was thinking.

The ESP-14 takes the phenomenally powerful ESP8266 chip and buries it underneath one of the cheapest microcontrollers around: the 8-bit STM8S003 “value line” chip. Almost all of the pins of the ESP chip are locked inside the RF cage’s metal tomb — only the power, bootloader, and serial …read more

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