It's mailbag Monday time again. Grab yourself a drink, pull up a chair and let's go!

Links:

1M 4:1 Heat Shrink Tube With Glue Thermoretractile Heat Shrinkable Tubing Dual Wall 4/6/8/12/16/20MM

12 Colors Carving Paper Compatible with CO2 Fiber Semi-conductor UV Laser Marking Engraving Machine Material Ceramic Glass Stone

relay module arduino (search link)

Electronic Audio Wire 2 3 4 5 6 8 Core UL2464 Sheathed Wire 12V Electric Cable For Speaker LED Strip Automotive Outdoor Lighting

sr505 mini pir (search link)

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