Today, I would like to remember a pioneer, an internet giant, who passed away on December 26, Larry Roberts. He was the project manager of the ARPA net project, which was the precursor to the internet. He might not be
Today I built my ‘datacenter’… Three Raspberry Pi’s that will form a stack of ‘power’ to run System/370 Operating Systems… For a full photo report see this link.
PC to bench power supply This post describes how I made a power supply for my workbench. It delivers 3,3V, 5V, 12V and -12V. Do these voltages sound familiar to you? Read on… Power supply Color chart Connections
Totem – Robotic arm The guys at Totem sent me a sample of their robotic arm to review (link points to the mechanical version without the electronics). The version I received contains several Totem Bus modules to drive the arm. It
Totem – Side Panel One Libraries Together with the guys from Totem, I’m developing libraries and classes to make use of the Side Panel 1 components. We decided, for educational purposes, to make one library per component. At Github, you
IoT : Internet of Things – beta test Totem Bus system Feeling a bit privileged today… I’ve been invited to participate in the (beta) testing of the Totem Bus system. It is a system with which one can connect up to
Totem mechanics Raspberry Pi stand The stand I made for my Raspberry Pi a while ago made it to the Totem website. They liked it and one of the guys created instructions on how to make it.
Totem Mini Lab – New review As I wrote yesterday, I received a replacement Lab Board. Today I’m testing it by repeating the tests I did for the first full review. First I will give you the conclusion, the details
Totem Mini Lab – replacement Lab Board Today I received a replacement Lab Board in which the guys of the Totem team made improvements, amongst others, based upon my tests and suggestions. Here’s the contents of the package. A new
Totem Rotary encoder – explained How does it work? I was fumbling around with the Totem Mini Lab’s Side Panel 1, especially with the rotary encoder that s mounted on this side board. At first, I could not make heads