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William Herr

He/Him - Electrical Engineering stuff - Creator of RPDot and UltraTimer

Houston
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29 Following
1 Projects
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william-herr
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This user joined on 08/24/2023.

7k
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0
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World's Smallest RP2040 Development Board
Project Owner Contributor

RPDot

william-herrWilliam Herr

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A physical switch for my computer to choose between Linux and Windows
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Hardware boot selection switch

stephen-holdawayStephen Holdaway

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How to power up and communicate with the cheap RCWL-0516 radar sensor module
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First steps with the RCWL 0516 radar switch

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A last gasp Uninterruptible Power Supply for any Raspberry Pi computer.
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Single SuperCapacitor UPS for Raspberry Pi

bud-bennettBud Bennett

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Reverse engineering the SMA-Q2 smartwatch to run open source firmware on it
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Color Open Source Smartwatch

emerythemeryth

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133
Takes 3D surface scans at close range. It is simple to construct as it uses off the shelf hardware and software.
Project Owner Contributor

3D scanner

jolarJolar

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This is a fast, heavy-duty Pulse Engine derived from my Commercial grade desulfator. Up to 80% battery yields overnight.
Project Owner Contributor

Battery Desulfator Kit, TESLA 12V compatible

mosaicmercmosaicmerc

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Emulate Citroen's Lexia / Actia Diagnostics tool to query the CAN bus and log the results to SD card.
Project Owner Contributor

CAN Diagnostics Logger with Arduino CAN shield

haydenhayden

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3D printed fully customizable exoskeleton arm development kit
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3D Printed Exoskeleton Arm

kristjan-berceKristjan Berce

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Robotic Exoskeleton for Grip Enhancement and Stroke Rehabilitation
Project Owner Contributor

BEOWULF

chad-paikChad Paik

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Since rpi zero is unobtainum, I got a few.
Project Owner Contributor

raspberry pi zero handheld computer

jaromirsukubajaromir.sukuba

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Hack a Raspberry Pi case to include IR LEDs and the NoIR Camera module for a home CCTV setup
Project Owner Contributor

Raspberry Pi Night Vision Camera Hack

wesley-archerWesley Archer

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A self-igniting candle implemented using AVR and PIC microcontrollers
Project Owner Contributor

AVR vs PIC: The case of the candle

thierryThierry

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Fully 3D-printable electric longboard drivetrain with built-in idler system.
Project Owner Contributor

3D-Printed Electric Longboard

yowhwuiyowhwui

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How to make a small FM Radio with oled display which all functions are controlled by a single rotary encoder.
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DIY Arduino Due TEA5767 FM Radio

mircemkmircemk

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Thermostat touch for home user with wifi and web control based on Raspberry pi
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Raspberry Thermostat

jpnosjpnos

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You may see it's just a stickered chip? NO! This is totally self-contained "mod-chip"
Project Owner Contributor

Minimal and self-contained ATmega1284P "mod chip"

kodera2tkodera2t

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scalable hardware for neural network system
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NSCE-ngbrain

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Another Z80 single-board computer.
Project Owner Contributor

Z80 Single-board computer (with AVR controller)

scottScott

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