--- title: "#diy-electronics articles | Hashnode" description: "Explore 2 articles tagged #diy-electronics on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/diy-electronics" --- Tag # #diy-electronics 2 posts · 0 followers [circuitrocks](https://hashnode.com/@circuitrocks) · [Sep 27](https://hashnode.com/posts/flip-dot-display-turns-fluid-physics-into-sound-on-a-pi-pico-2-w/6ab8dfc17313e8e852d9bb20) ### [Flip-Dot Display Turns Fluid Physics Into Sound on a Pi Pico 2 W](https://circuitrocks.hashnode.dev/flip-dot-display-turns-fluid-physics-into-sound-on-a-pi-pico-2-w?utm_source=hashnode&utm_medium=feed) Flip-Dot Display Turns Fluid: A maker swapped silent LEDs for a room-filling flip-dot panel that physically clacks out real fluid physics, steered by a… 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/flip-dot-display-turns-fluid-physics-into-sound-on-a-pi-pico-2-w?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Sep 9](https://hashnode.com/posts/a-raspberry-pi-5-e-ink-frame-that-paints-the-birds-it-hears/6aa121b857318c4a1171544b) ### [A Raspberry Pi 5 E Ink Frame That Paints the Birds It Hears](https://circuitrocks.hashnode.dev/a-raspberry-pi-5-e-ink-frame-that-paints-the-birds-it-hears?utm_source=hashnode&utm_medium=feed) A microphone under the eaves, a Raspberry Pi 5 running BirdNET locally, and an A4 E Ink panel that redraws itself with 1800s bird plates. 3 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/a-raspberry-pi-5-e-ink-frame-that-paints-the-birds-it-hears?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Aug 31](https://hashnode.com/posts/this-esp32-chip-8-computer-runs-on-a-flame-and-a-stirling-engine/6a94fdeaf2e3e52d9aaed38f) ### [This ESP32 CHIP-8 Computer Runs on a Flame and a Stirling Engine](https://circuitrocks.hashnode.dev/this-esp32-chip-8-computer-runs-on-a-flame-and-a-stirling-engine?utm_source=hashnode&utm_medium=feed) ESP32 CHIP-8 Computer Runs: No battery, no wall wart. A Stirling engine and a candle push enough current to run an ESP32 CHIP-8 machine with an OLED and a… 3 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/this-esp32-chip-8-computer-runs-on-a-flame-and-a-stirling-engine?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Aug 30](https://hashnode.com/posts/wireless-esp32-bike-brakes-abs-from-car-door-lock-actuators/6a94a95e9736677f2c604a60) ### [Wireless ESP32 Bike Brakes: ABS From Car Door Lock Actuators](https://circuitrocks.hashnode.dev/wireless-esp32-bike-brakes-abs-from-car-door-lock-actuators?utm_source=hashnode&utm_medium=feed) A fat-bike brake with no cable at all: ESP32 nodes talking over ESP-NOW drive car door lock actuators, unlocking ABS and an adjustable bite point. 3 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/wireless-esp32-bike-brakes-abs-from-car-door-lock-actuators?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Aug 29](https://hashnode.com/posts/an-arduino-nano-esp32-robot-flips-all-666-pixels-of-this-display/6a9358219ded89389495a565) ### [An Arduino Nano ESP32 Robot Flips All 666 Pixels of This Display](https://circuitrocks.hashnode.dev/an-arduino-nano-esp32-robot-flips-all-666-pixels-of-this-display?utm_source=hashnode&utm_medium=feed) Arduino Nano ESP32 Robot: Most flip-disc displays need one solenoid per pixel. This 666-tile panel uses a single Arduino Nano ESP32 gantry robot that… 3 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/an-arduino-nano-esp32-robot-flips-all-666-pixels-of-this-display?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Aug 28](https://hashnode.com/posts/a-xiao-esp32-s3-clock-hiding-inside-a-fake-linksys-wrt-router/6a91508f8bcf897f8ae19206) ### [A XIAO ESP32-S3 Clock Hiding Inside a Fake Linksys WRT Router](https://circuitrocks.hashnode.dev/a-xiao-esp32-s3-clock-hiding-inside-a-fake-linksys-wrt-router?utm_source=hashnode&utm_medium=feed) XIAO ESP32-S3 Clock Hiding: Glen Akins rebuilt the mid-2000s Linksys WRT router as an NTP desk clock, swapping a Raspberry Pi Zero 2 W for a 21 mm XIAO… 3 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/a-xiao-esp32-s3-clock-hiding-inside-a-fake-linksys-wrt-router?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Aug 3](https://hashnode.com/posts/build-a-working-apollo-dsky-replica-with-raspberry-pi-and-arduino/6a7111129069b9861ba6446a) ### [Build a Working Apollo DSKY Replica with Raspberry Pi and Arduino](https://circuitrocks.hashnode.dev/build-a-working-apollo-dsky-replica-with-raspberry-pi-and-arduino?utm_source=hashnode&utm_medium=feed) Working Apollo DSKY Replica: A maker rebuilt the Apollo DSKY with a Raspberry Pi, Arduinos, and open-source VirtualAGC. 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/build-a-working-apollo-dsky-replica-with-raspberry-pi-and-arduino?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Aug 2](https://hashnode.com/posts/esp-kvm-turns-an-esp32-p4-into-a-45-open-source-ip-kvm/6a6ec2a965b88c202917aa04) ### [ESP-KVM Turns an ESP32-P4 Into a $45 Open-Source IP KVM](https://circuitrocks.hashnode.dev/esp-kvm-turns-an-esp32-p4-into-a-45-open-source-ip-kvm?utm_source=hashnode&utm_medium=feed) ESP-KVM Turns ESP32-P4 Into: A locked-up PC with no monitor nearby? ESP-KVM runs on an ESP32-P4 and hands you keyboard, mouse, and screen control from a… 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/esp-kvm-turns-an-esp32-p4-into-a-45-open-source-ip-kvm?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Jul 31](https://hashnode.com/posts/open-sauce-2026-maker-builds-you-can-recreate-this-weekend/6a6c1f92a8a2ef20b440a414) ### [Open Sauce 2026: Maker Builds You Can Recreate This Weekend](https://circuitrocks.hashnode.dev/open-sauce-2026-maker-builds-you-can-recreate-this-weekend?utm_source=hashnode&utm_medium=feed) Open Sauce 2026 Maker: Seven takeaways from Open Sauce 2026, plus how to recreate the show floor's cleverest ESP32 and Raspberry Pi builds on your own… 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/open-sauce-2026-maker-builds-you-can-recreate-this-weekend?utm_source=hashnode&utm_medium=feed) [circuitrocks](https://hashnode.com/@circuitrocks) · [Jul 27](https://hashnode.com/posts/build-a-palm-sized-pov-tv-with-a-raspberry-pi-pico/6a671fcbb3f8ccc409c53687) ### [Build a Palm-Sized POV TV with a Raspberry Pi Pico](https://circuitrocks.hashnode.dev/build-a-palm-sized-pov-tv-with-a-raspberry-pi-pico?utm_source=hashnode&utm_medium=feed) Palm-Sized POV TV Raspberry: A Raspberry Pi Pico, a stepper motor, and a spinning disk of holes turn five LEDs into a pocket-sized color TV you can build… 2 min read · [circuitrocks.hashnode.dev](https://circuitrocks.hashnode.dev/build-a-palm-sized-pov-tv-with-a-raspberry-pi-pico?utm_source=hashnode&utm_medium=feed)