Author

Caleb Renwick

Electronics & Smart Home Writer

More than eight years of hands-on experience setting up, managing, and troubleshooting home networks, from single-router apartments to mesh systems with network storage, cameras, and connected devices.

Caleb Renwick writes for PickHollow about home Wi-Fi, networking gear, and smart home devices. He helps readers figure out where their Wi-Fi falls short, what works with their existing gear, and which upgrades fit their home.

Articles by Caleb Renwick

Light bulb base sizes chart showing common screw, pin, and twist-lock bulb bases

Caleb Renwick · Lighting & Holiday Decor · Nov 11, 2026

Light Bulb Base Sizes Chart: A Handy Reference Guide

A light bulb base sizes chart makes it much easier to replace a bulb without guessing. The base is the part that connects the bulb...

Types of light bulbs including LED, incandescent, halogen, CFL, and smart bulbs

Caleb Renwick · Lighting & Holiday Decor · Nov 11, 2026

Types of Light Bulbs: Which One Is Right for You?

The main types of light bulbs are LED, incandescent, halogen, CFL, fluorescent tube, and smart bulbs. For most rooms, an LED is the best default...