Active-Tech November Sale!

SparkFun Electric Imp Breakout $17.48 The SparkFun Electric Imp breakout board makes it easy to experiment with your Electric Imp IoT project. ESP-12F AP+STA Remote Serial Port WIFI Controller / Module $9.38 The ESP8266 (ESP-12F AP+STA) is a nice "Internet of Things" microcontroller with Wifi (or as a Wifi bridge for your project) Adafruit Metro […]

A decent website is a core of a web-centric store like ours. Back in the early days, I hand-coded HTML (yeah, go back to waybackmachine to admire that work), and what you got is what you got. Since then, we rebuilt Solarbotics.com through 3 more iterations of totally refactored hand-coded platforms, and then 2 aborted […]

Today August 21, 2017, we were treated to about 80% solar eclipse. In spite of the smoke, the weather cooperated so we couldn't miss this event. Pinhole projector boxes were made out of cereal and shipping boxes: Fancy ones were mounted onto a tripod, and a phone camera recording a time lapse video was taped […]

Look! Bird (-shaped bullets) made holes in bird... feathers! Well, not quite, although that would have been awesome too. Actually we were doing some nitrogen-assisted laser tests on various regular, i.e. boring materials, such as plywood and mat board. Then I came across some feathers and here's what it turned out to be: Now that […]