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
TotemDuino connected to MacBook! After some mailing back and forth with the Totem team, they found a solution. Oddly enough, it’s a solution I tried, but it did not work the first time. It appears one has to install the