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Open-source 32-channel EEG/BCI board (2015) — quad TI ADS1299 AFE, dual ATmega328, SPI daisy-chain, standalone microSD logging. Apache-2.0.
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Adam-EEG — Open-Source 32-Channel EEG Board

braincomlinkerbraincom.linker

A visual diagrammer that turns a node graph into a complete ESP32 Arduino/ESP-IDF web-server sketch. No toolchain.
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ESP-GenUI

geoffrey-wellsGeoffrey Wells

Experiment to create a minimal 4-bit CPU that can do something fun
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Tetra - 4-bit CPU

kaimackaimac

An ESP32-S3 board for isolated industrial I/O (DI/DO, 0-10V ADC) with native MQTT and Home Assistant integration.
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esp32io — Isolated I/O for ESP32-S3

noritamaNoritama

An ESP32-C6 based 802.15.4/Zigbee sniffer that doesn't stop at packet capture — routing trees, incident forensics, RF spectrum, etc
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Zigbee Sniffer & Diagnostics Platform

michaelmichael

Wearable portable nuclear radiation dosimeter/logger
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MASTER-2000 - wearable dosimeter

vladVlad

Add any AI persona to this robotic children's toy using an ESP32 with No PSRAM!
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I Put My Dead Grandpa in a Big Mouth Billy Bass

geoff-mcintyreGeoff McIntyre

Building a mechanical television with parts only from the 1920s. Focusing on simplicity.
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Mechanical Television - 1920s parts

paul-kocylaPaul Kocyla

Mini-PI Media Server for use on home network or as a wifi access point to stream media from
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Mini-PI Media Server

diddydiddy

Built the tricorder I actually wanted in the field: one that warns, not just measures.
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ATLAS

apollo-timbersApollo Timbers

Web UI for ChargerLAB's Power-Z KM003C USB-PD Analyzer
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PowerScope

mansour-behabadiMansour Behabadi

The 8-key macro pad with screen isn’t just another macro pad — it's a visual, scriptable, dynamic control deck you build and own.
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8‑Key Macro pad with 3.5 inch LCD

shu-yangSHU YANG

Few Hats that add wide range of audio capabilities to your Raspberry Pi
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Raspberry Pi Audio Hats

andriymalyshenkoandriy.malyshenko

Magnetic Road Transport System for TT Scale Layout — DIY Control on ESP32
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Magnetic Road Transport System for TT Scale Layout

oldaOlda

Transmitting analog RCA video using a visible light laser. An optical data transfer challenge using custom analog circuits.
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LYME

danielDaniel

A tiny ESP32-S3 desktop gremlin made from brass and PCB, with OLED eyes, motors, sensors, audio, and an AI-connected personality layer.
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TongDou

solitary-devsolitary dev

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