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Placeable Agricultural TRI-Chambered unit . this is a physical device for the rural farmers
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PATRIC

utkarshUtkarsh

looking to make a simple basic epaper watch with emphasis on low-power, low maintenance, and high hardiness.
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Epaper watch

unsetunset

A complete graphics pipeline written in RTL Verilog, built by a single developer using open source tools. Not a soft-core. Not an emulator.
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Building a GPU from scratch in Verilog

jostinJostin

3D printed running aid
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3D printed truck

lion-mclionheadlion mclionhead

Add a rotary encoder to an Amrel programmable power supply to improve the user interface.
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Amrel Power Supply UX Mod

ogdentoogdento

Arithmetic Logic Units.
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MIMIC

gmez-mora-rodrigo-urielGómez Mora Rodrigo Uriel

Utilizes an I2S mic and I2S amp using an ESP32 with the ESPNOW wireless protocol to communicate audio wirelessly at over 600+ meters.
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ESP32 Walkie Talkie

aditya-vermaAditya Verma

What if PCBs were designed for humans? Exploring how interaction design principles can make hardware easier to learn, use, and debug.
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PCB Map

geert-roumenGeert Roumen

Mini robo-dog being created from scratch (both software and hardware design).
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BRUNO - quadruped robo

vadimVadim

The happy ending of a tale of freeze-burst plastic, dead batteries, and menus designed by idiots.
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Irrigation timer

jeroen-brinkmanJeroen Brinkman

An easily reproducible and compacted iteration of my first Raman build. Using a surplus spectrometer, cheap laser and high-quality filters.
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CubeRaman: 3D-Printed Raman Spectroscopy

jacobJacob

Rebuilding the original Game Boy DMG with modern hardware while preserving its look, feel, and AA battery spirit.
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PicoDMG

dodger-onedodger one

PHONO-EQ-100: a compact, cased MM phono preamp designed to run on a Li-Po battery, over 180 hours per charge, charged over USB-C.
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Tiny MM Phono Preamp, Li-Po Powered, USB-C Charged

elehobicaElehobica

An open-source, $10 forest fire detection mesh network using ESP32 & ESP-NOW. Autonomous, infrastructure-free, and self-healing.
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AranyaLink - Forest fire detection mesh network

maulikMaulik

An open hardware bench tool that plugs into your CI: sensor sim, CAN, analog I/O, power control, and a Python SDK with pytest integration
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BenchPod

edward-viaeneEdward Viaene

Nothing new here, you can skip it, it just for me. I am a nut head that love glass vacuum and high voltage
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Different Vacuum Tubes

quasi-scientistQuasi Scientist