Ketra unapologetically charges $100 for its A20 LED bulb, and the bulb needs a controller to work. Here’s what you find inside the bulb that makes it worth the premium price. A tunable A20-style LED light bulb from Ketra, in Austin, Tex., may be the world’s most expensive classic LED bulb. It lists at about […]
We took a look inside an LED bulb from high-end lighting supplier Ketra to understand its super-neat abilities to change color temperature and dim down to zero light via wireless control or conventional light dimmer. We found a lot of interesting stuff inside the bulb.
TV viewers who tuned into episode five (having the catchy title “eps1.4_3xpl0its.wmv”) of Mr. Robot watched the main character employ a hack that destroyed magnetic tape data backups held at Evil Corp.’s Steel Mountain facility. Technology-literate viewers might wonder whether the events of episode five could really unfold in real life the way writers envisioned […]
The internals of the Hello Barbie doll are relatively simple. And parents worried that Barbie might be listening surreptitiously to their kids have nothing to fear, as we discovered when we analyzed the electronics running the doll. Still, we found a few surprises in terms of construction techniques.
Parents leery of privacy invasion have little to fear from Barbie, whose language skills mainly reside in the cloud. There’s been a lot of discussion in the media about privacy and home appliances that listen to conversations. The Hello Barbie doll is a voice-enabled toy that has been part of the controversy. It uses Wi-Fi […]
Robotic race cars make clever use of software and infrared optics to follow lines slyly hidden on the track. Leland Teschler, Executive Editor The Overdrive starter kit we analyzed contains sections of track that can go together in various ways and can even include jumps. An interesting feature of the track is that its sections […]
Chest-mounted electronics do a more accurate job of counting heart beats than do optical sensors on the wrist. That’s one of the conclusions to come out of a close look at this sport watch aimed at runners. Leland Teschler Executive Editor A sport watch from Garmin called the Forerunner 220 is basically a runner’s watch […]
The post Teardown: The Garmin Forerunner 220 sport watch and heart monitor appeared first on Microcontroller Tips.
A new LED bulb from the furniture maker Ikea of Sweden comes with its own remote controller which mounts to the wall and uses Bluetooth to switch the bulb on and off, adjust bulb color temperature and dimming level. One interesting point about the bulb: It uses two separate strings of LEDs, apparently as a […]
The online retailer Amazon made headlines when it introduced a super-inexpensive smart phone from Blu Products in Miami called the R1 HD. The media splash arose because Amazon Prime members could get the phone for as little as $50 if they were willing to put up with seeing ads on the phone’s lock screen. With […]
How do you rig up an LED bulb so it works on the internet of things? That’s the question we try to answer in this teardown of a smart LED bulb and gateway from Osram Sylvania. In a nutshell, it is a tale of two different technologies with the LED bulb power functions built on […]