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{ Category Archives } Innovation and entrepreneurship

Itead Sonoff for an easy start

USB does fine for a microcontroller power development platform. But what do you do when you want to let some project loose in the wild? That is one of features Itead includes in its Sonoff line. For about the price of an ESP8266 development board (~ $5) you can get an ESP8266 with 1 MB […]

Wrist Actigraphy and Latest Crazes: Fitness Trackers

It started with a report based on How Much Sleep Do Fitbit Users Really Get? A New Study Finds Out by Danielle Kosecki. That lead to research about Wrist actigraphy. And then Amazon had a sale on the Letscom Fitness Tracker. Actigraphy has been around since the 50’s. The cell phone sensor revolution has put it […]

Bitcoin seduction

It started with an observation based on the Equifax fiasco by Hao-Kai Pai: Defanging identity fraud by verifying identities – “part of the damage here stems from organizations assuming that Social Security Numbers are secret … another part of the problem is that some businesses are startlingly lax about confirming who they are extending credit to.” That is […]

Mob recruitment and leading: Python development

He says they are ‘hiring’ … and it’s an ad hoc group of volunteers trying to make Python better. The problem is significant: how do you encourage and motivate volunteers to join in and add to, rather than detract from, a project such as Python. Hettinger has some rather harsh words about the need to […]

The hidden elephant with the crypto currency fad

Some claim it is the Next Big Thing and going to overturn civilization. It sounds so wonderful with peace, love, and all that: technology is going to solve all human ills and whatnot. Technology dreams seem to invite a blindness. Luboš Motl gets to the key issue with Bitcoin: Decentralized blockchain and subjectivity of the […]

What happens when you open-source a soldering iron

The TS100 soldering iron (Amazon) has been getting a lot of buzz. It’s on github and both software and hardware specifications are open. It runs off 12 to 24 volts DC so a battery pack from a power tool or laptop will run it. A laptop power supply is a common resource for it as […]

Dave Jones hosts Shahriar Shahramian and the discussion is something else.

It’s a geekfest. Shahriar Shahramian from The Signal Path met up with Dave Jones of EEVblog and discussion is well worth some time. It’s broken up into three videos each with their own focus. 1. Youtube & Bell Labs 2. Science, Debunking & Education 3. about the millimeter wave electronics and 5th generation RF These two […]

Tech directions: IkaScope

They call it the IkaScope. “Robust and reliable analog front end, Measuring signals with IkaScope is quick, easy and intuitive. Sampling rate 200 MSPS; Bandwidth 25 MHz; Memory 4000 pts; Input range ± 40V; Coupling AC / DC; Refresh rate 200 FPS*.” At this time, it’s a gleam in the designer’s eye so who knows […]

1700’s tech: A piano story

It may not have been crafting nanocircuits on silicon but innovation and craftsmanship have legs in history. Here’s a good story of that: What Does the World Oldest Surviving Piano Sound Like?: Watch Pianist Give a Performance on a 1720 Cristofori Piano. Imagine your favorite works for the piano—the delicate and haunting, the thundering and […]

Seek and ye shall find – that it’s a harder journey than you ever imagined.

Luboš Motl takes off on Nautilus’ disillusioned ex-physicist. “Bob Henderson wrote an autobiography for Nautil.Us” and that provided the ammunition for a rant on Life’s Journey that any college freshman with ambition should read carefully. This is a sketch of the “path towards the deep laws of the Universe” that I already had in mind […]