Quoi de neuf 2022

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Experiments carried out in the past (from 2011) are described hereafter: 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011

Making a box for my "laser game" using FreeCad and the "Laser Cut Interlocking Extension":

The aim of the game is to shoot "asteroids" using a "ship" that you can accelerate and drive left / right. It uses a laser galvo and an Arduino. Some details can be found here.
I am investigating building another "game" using, this time, a LED display (those described in Quoi de neuf 2020, December). See e.g. here.
I have designed a basic PCB to implement the NRF51822-baased door-/window- opening detector.
I have spent some time investigating at the extremely cheap PADAUK chips. Unfortunately, the cheapest ones are not available at the current time...