Technology · Ideas · Exploration

Where ideas
catch fire.

Deep dives into Raspberry Pi hardware, self-hosted DNS, network privacy tools, and the technology powering home lab enthusiasts.

12+
Raspberry Pi Models Covered
4
DNS & Privacy Tools
Project Possibilities
Hardware

Raspberry Pi Models

Detailed specs, benchmarks, and guides for every major Raspberry Pi generation — from the powerhouse Pi 5 to the pocket-sized Zero 2W.

🚀
Raspberry Pi 5
The fastest Pi yet. BCM2712 quad-core at 2.4GHz, PCIe 2.0, hardware video decode, and the new RP1 I/O chip.
4GB · 8GB
Raspberry Pi 4
The workhorse generation. Dual 4K display, USB 3.0, Gigabit Ethernet — in 1GB to 8GB RAM variants.
1GB · 2GB · 4GB · 8GB
🔧
Raspberry Pi 3
The generation that went mainstream. Built-in Wi-Fi and Bluetooth for the first time. Models A+, B, and B+.
Model A+ · B · B+
🪄
Raspberry Pi Zero 2W
Full quad-core power in a tiny form factor. 512MB RAM, Wi-Fi, Bluetooth — the ultimate compact Linux computer.
Compact · $15
Network & Privacy

DNS & Privacy Tools

Step-by-step installation and setup guides for the best self-hosted DNS and ad-blocking solutions.

🕳️
Pi-hole
Network-wide ad blocking via a DNS sinkhole. Block ads on every device in your home without installing anything on them.
Ad Blocking · DNS
🛡️
AdGuard Home
A powerful DNS server with a clean web UI. DoH, DoT, parental controls, and detailed per-device statistics.
DoH · DoT · Privacy
🔗
Unbound
A validating, recursive, caching DNS resolver. Cut out third-party resolvers entirely — query root servers directly.
Recursive · DNSSEC
⚙️
Technitium DNS
A feature-rich authoritative + recursive DNS server with a beautiful web interface and extensive protocol support.
Authoritative · Full-featured
About

What is IdeaSpark?

IdeaSpark is a technology blog focused on practical guides, hardware comparisons, and self-hosting solutions. Whether you're picking your first Raspberry Pi or setting up a privacy-respecting home network — this is your starting point. More content coming soon across Linux, home automation, networking, and open-source software.