apache httpd for android phone 2018-11-05 19:56 UTC
Today, I installed apache httpd web server on my phone.
In the google play store, search for http server.
After installation, the index.html file was visible to the world. No settings needed.
You need to know your phone's IP. My phone uses an IPv6 address. The format for IPv6 addresses to put in your web browser is: http://[2700:xxx....]:8000/ with 8000 being the optional port. The open and close square brackets seems necessary for IPv6 addresses.


Good explanation of USB-C 2018-10-19 15:28 UTC

USB-C can even transfer 100 watts of energy. The article does not explain how though.


How to Read a Screw or bolt Thread Callout 2018-07-30 14:24 UTC
I find this wikihow on how to read screw/bolt thread code very simple and informative.

All I wanted to know was what a marking on a pack of bolts meant. For example 1/4 20 1.5. I had guessed that the last number is probably the length by measuring the bolt. But the rest of it? Now I know it means: diameter of the screw or bolt, number of threads per inch and length of body.


48 Megapixel Smartphone Camera Possible, Sony 2018-07-23 20:27 UTC
On Monday, July 23, Sony announced a new stacked smartphone camera sensor with the highest-yet megapixel count, 48 megapixels, and a unique Quad Bayer array design. The move will allow smartphones integrating the upcoming sensor, the IMX586, to boost image quality with a unique design that Sony claims also produces good results in low light.


Debian Linux Router in 15 Minutes 2018-07-20 02:04 UTC
I just found a website ( 8 years old, but still valid ) that shows you how to build a simple router in just a few minutes.
From the looks of it, it can be applied to just about any distribution of Linux.


Scientists grow brain in a laboratory 2018-04-26 14:01 UTC
Scientists grow brain in a laboratory. They hope to solve problems like Alzheimer's disease.
New questions arise such as is the brain a person?


Blockade, the original Snake; Snake, the original slither.io 2018-04-07 02:49 UTC
Slither.io is a game where you play a worm that goes around eating pellets.

It originated from Snake. And Snake came from the original 1976 arcade game, Blockade.


The original Blockade:

Walmart's new scan and go 2018-03-27 21:21 UTC
Walmart's new answer to rising costs is scan and go. You walk in and take a scanner and go get your items. You would scan each item with the scanner or app on your phone and then place them in the shopping cart. When you are done you would check out at a machine and show the recipe to the gest greeter at the door.


IBM Designs 1x1 mm Computer 2018-03-20 15:04 UTC
IBM designs a 1x1 mm computer that is about equivalent to an x86 chip from 1990.


That's the size of a large grain of common table salt. You can put that anywhere. They propose usage in inventory control and tracking.

It could be equip with a solar cell and a communication module.

New Raspberry Pi 3 B+ still at $35USD 2018-03-14 13:30 UTC
Happy pi day in USA.
The Raspberry Pi Foundation has released a new pi on pi day (USA 3/14/2018). It has been two years since their last release, a Raspberry Pi 3 B.


* It's CPU runs at 1.4GHz vs the old one at 1.2GHz. Broadcom BCM2837B0, Cortex-A53 (ARMv8) 64-bit SoC @ 1.4GHz
* The built-in wifi is improved at 2.4GHz and 5GHz. IEEE 802.11.b/g/n/ac, Bluetooth 4.2, BLE
* Gigabit Ethernet over USB 2.0 (maximum throughput 300 Mbps)

Other specs are about the same.

The input power requirements are 5 Volts at 2.5 Amps DC. It uses much more energy than previous pis.

There is now support for Power-over-Ethernet (PoE), but it requires separate PoE HAT