JONNYPERSONAL WEBSPACE
MY INTERESTS

Five topics. Lots to explore.

Here’s what I’m interested in—nothing more complicated than that.

01

Irrigation systems

Sprinkler heads, solenoid valves, controllers, and all the little parts that make a watering system work together.

Sprinklers · Controllers · Valves
02

Sirens

Outdoor warning systems are fascinating for their designs, tones, and the ways they communicate with communities.

Outdoor warning · Siren equipment
03

Fire alarm systems

From panels and detectors to audible/visual notification devices, the technology behind fire alarms is interesting.

Panels · Detection · Notification
04

Security systems

Electronic security has its own world of keypads, sensors, cameras, and alarm controls.

Alarms · Sensors · Controls
05

Telephones

Wired telephones, signaling, and the technology connecting one end of a conversation to the other.

Phones · Connections · Communications

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