Average rainfall 2001-2016, global tropics

Map: Average rainfall 2001-2016, global tropics

xspectrolum: On-off switch

Introduction

Finding a neat power switch for the Spectrometer Arduino project turned out to be more difficult than expected. In June 2020 PchButik offered a simpler switch that I then used for the first battery powered versions of the spectrometer.

Single pole gliding power switch

The single pole gliding power switch fits more neatly into the spectrometer box. The orientation of the holes for the soldering also diminished the risk of short cuts.

Single pole gliding power switch.