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A C++ framework for building real-time, pro-grade digital instruments on the RP2350 / Pi Pico 2 platform.
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T76 Instrument Core: Pro instruments on Pi Pico 2

marco-tabiniMarco Tabini

using an electret capsule as a speaker to calibrate another microphone
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microphone as a speaker .. to cal microphones

deepsoicDeepSOIC

Discrete optocouplers using metal can transistors and 5mm LEDs (and a saw)
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Discrete optocouplers

stephenStephen

Serving a colourful web page HMI ties up a microcontroller for a few seconds. A second microcontroller and ESP-NOW addresses this if needed.
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ESP-NOW Inexpensive Microcontroller SCADA System

nodemcu12ecanadanodemcu12ecanada

Finally! A simple method to get time and date from the internet corrected for time zone and daylight savings or standard time.
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Free, highly accurate, time and date from Internet

nodemcu12ecanadanodemcu12ecanada

Classic arcade with all the latest technological advancements, ready for the classics. Enjoy!
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THE ULTIMATE MINI ARCADE

srrubioSrRubio

A fully modular beehive, designed for FDM 3D printing with thermal-insulating sandwich walls and IoT monitoring
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Nectar Nest - The First True 3D Hive for Honey Pro

diegoDiego

* No magic here. But I show that LEDs light up from tiny currents induced by electric fields around us, with no further electronics needed.
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LEDs light up without power or electronics!*

joekutzjoekutz

A low cost robotic hand for robots and humans
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Rebelia Robotic Hand

vittorio-lumareVittorio Lumare

How to capture Gameboy Advance display signals using a 1.5 USD general purpose MCU and output it via USB Video Class (UVC)
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Gameboy Advance 2 USB (GBA2USB)

tobiTobi

Thermal imaging with MLX90642 32x24 InfraRed (IR) array
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Thermal imaging for burglar detection

florian-wilhelm-dirnbergerFlorian Wilhelm Dirnberger

A minimal 4-wire milliohm meter with 4.5 digit display
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SDO Milliohm Meter v1

kuba-sunderland-oberKuba Sunderland-Ober

Free computer if I can get it working
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Restoring an Asus Chromebox CN60

ken-yapKen Yap

I previously used the Rd-03E module at home. It worked like a diligent “honest worker” — it would simply tell you: “Someone is in the room”
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Rd-03_V2 – Test & User Experience Review

ai-thinkerAi-Thinker

custom(izable) circuit for sending some megabytes over differential pairs.
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miniMAC - Not an Ethernet Transceiver

yann-guidon-ygdesYann Guidon / YGDES

A 2048 game which runs on Midway 8080 hardware
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Up to Eleven

louis-paulLouis Paul