Arduino
Last weekend, my friends and I, went to a Hackathon, in the field of Medicine. And WON :) As a Hackathon can be - At first a Real-World problems presented to us from the realm **hospitality**. Some of the problems where interesting and some not. At first, we chose the "
Raspberry-pi
About to embark on a trek in South-East Asia, I really didn't want to take a laptop or tablet. The first is too heavy for the type of traveling I'd be doing. The second doesn't give me the USB connections I need. Added to
ESP8266
We all know how fidgety it is to flash the ESP: 3.3 volts only, smoothing capacitors, GND-GPIO 0, VCC to CH_PD. Wouldn't it be nice if there was a simple adapter? A quick look in ebay reveals that at least for the ESP-01 you can pick
USB
As most readers of this blog probably know, there's a limit to how much current you can pass through a Raspberry Pi. When used with a WiFi dongle, mouse and keyboard, a connected Hard Drive or external webcam can be all too much - so it's
charger
One of the first posts to appear on this blog was Amir's very informative description of the workings of the cell phone power supply (charger). In passing, he mentioned AWG (American Wire Gauge). This post aims to explain its significance in a little more detail. Amir described using
Arduino
From time to time I'll write here about something I like to call "Fast-Projects". Usually a "Fast-Project" is an easy project that comes to my mind on a free evening and I challenge myself: Built it in less than an hour - or forget
bottles
This is a following post to I'm Talking on Sunshine - Part 1, where the goal was to build a solar-powered station for charging many cell phones - the result was of course awesome!! After describing how to build a solar panel on my first post, I'
Battery
During the last two years I've built a few projects involving phone chargers. Same time I had some problems with my own phone charger and chargers I ordered from Ebay. All in all, I've learned a lot about chargers and phone batteries and would like to