Capelevate Blog

Notes from the lab

Tutorials, deep dives & benchmarks from our engineering team — ESP32, PCB design, drones, IoT.

ESP32 vs ESP8266 — which one should you pick in 2025?

A practical breakdown of features, performance, and cost — with real numbers from our lab benchmarks.

From copper pours to fiducials — the exact checklist that has saved us thousands in re-spins.

Kp, Ki, Kd — demystified with real oscilloscope traces from our X-frame test rig.

Payload size, latency, battery — which protocol wins in which scenario?

Libraries, hierarchical sheets, DRC & the plugins we swear by.

Hardcoded creds, open MQTT, no TLS… fix these before shipping.