raspberry-pi | Circuitrocks

ESP32 Mesh Replaces a $120k Bowling Scoring System for $1,600

An abandoned 8-lane bowling center needed an $80k scoring system. One builder replaced it with an ESP-NOW mesh of ESP32s for about $1,600 instead.

Ann Arandia Jul 21, 2026

Deploy Ultralytics YOLO on a Raspberry Pi 4 or 5 with Intel OpenVINO for real edge computer vision, no cloud GPU or workstation needed.

Ann Arandia Jul 19, 2026

A Raspberry Pi Zero 2 W and a Waveshare ePaper screen become a distraction-free typewriter, with a live word-count display and a screen that…

Ann Arandia Jul 19, 2026

A Raspberry Pi Zero 2 W and a six-color e-paper frame that auto-displays field-guide art of birds spotted near your home.

Ann Arandia Jul 17, 2026

Raspberry Pi Press put 16 Pico, HAT, and AI e-books on Humble Bundle at name-your-price. Here is what each title teaches and where to…

Ann Arandia Jul 15, 2026

Maker Huy Vector bent brass tubes into a frame for a Raspberry Pi 5 handheld with a 4-inch HDMI screen and an I2C keyboard.…

Ann Arandia Jul 14, 2026

QuadRF is an open source phased-array kit that turns a Raspberry Pi 5 into a real-time RF camera, mapping Wi-Fi and wireless transmitters in…

Ann Arandia Jul 13, 2026

OpenClaw lets an AI agent act on its own, and a Raspberry Pi is the safest sandbox to run it. Here is what the…

Ann Arandia Jul 12, 2026

The open-source Lini handheld runs a Raspberry Pi CM5 and breaks out a full 40-pin GPIO header with 6A rails, turning a pocket computer…

Ann Arandia Jul 11, 2026

A Raspberry Pi Zero 2 W, a 3.5-inch GPIO screen, and a thumb keyboard fold into a pocket Linux rig. Here is how the…

Ann Arandia Jul 10, 2026

T4EQ built a Raspberry Pi 4 that caches school video lessons and serves 40 tablets over a local router, with zero internet needed after…

Ann Arandia Jul 8, 2026

A maker rebuilt Rocky from Project Hail Mary using a Raspberry Pi 5, seven servos, and Claude AI so it can chat and scuttle.…

Ann Arandia Jul 7, 2026