Making a keyer for doing CW / morse code on hamradio. This key is made from old tamper switch. vid 1

Help a technician out. This will help you trouble shoot in the future. #firealarm #trouble #tech

How to measure a ceiling tile so your horn strobes are centered.

Things to do when replacing a Honeywell communicator with a starlink communicator.

Changing chips on simplex nac panel so it will communicate.

Why you should use underground cable for vault wiring.

communicator mounted.

How to mount a new fire lite fire panel.

What to do with the shield on wire? #firealarm #wire #shield

wiring a ps10 potter switch 120 and monitor module.

How to find a missing device on a gamewell fci fire alarm system part 2. Bad smoke detector.

finish ps10

How to wire a Simplex Nac circuit. this is an old horn strobe.

telco troubleshooting for fire alarm.