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revwillie

red stapler, soldering iron, hot glue gun in no particular order

Bethesda, MD
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revwillie
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This user joined on 10/26/2016.

94.6k
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Follow for the 'Hacklet' and latest news about hackaday.io
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Hackaday.io Project

lutetiumLutetium

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It's cheap, doesn't use a specialized heart rate AFE and can blink LEDs with your pulse :)
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uECG - small open source wireless ECG sensor

ultimate-roboticsUltimate Robotics

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HeartyPatch is a fully open-source, IoT connected, BLE enabled heart-rate variability & ECG patch with great accuracy
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HeartyPatch: A single-lead ECG-HR patch with ESP32

ashwin-k-whitchurchAshwin K Whitchurch

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Basic energy monitor using the ESP8266 and the ATMega328
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ESP8266 Current Monitor

patrick-mcdonnellPatrick McDonnell

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This is a design for a low-cost extruder for printing objects directly from recycled plastic flakes instead of using filament.
Project Owner Contributor

Trash Printer - Recycled Plastic 3D Print Head

sam-smithSam Smith

8.5k
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NP-41 is a hardware realization of the Nonpariel calculator simulator. It executes the original HP-41C / CV byte-codes.
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NP-41 RPN Calculator

chris-chungChris Chung

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Nonpariel Physical (NP) is a standalone calculator microcode emulator. NP-25 executes microcodes for HP-21, HP-25C and HP-33C.
Project Owner Contributor

NP25 Calculator

chris-chungChris Chung

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CalcHack is a project to add missing features to graphic calculators. It adds many exciting functions students wanted for a long time.
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CalcHack

sean-dylan-goffSean Dylan Goff

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a citizen science phenology monitoring network
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PhenoPi

koen-hufkensKoen Hufkens

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Grow your own mycelium bike frame.
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Shvroom

jean-nelsonJean Nelson

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My colleague and I had to design a cottage business website as part of my grade eleven computer science course.
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Cottage Business Website

jasmeet-brarJasmeet Brar

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Superbooks
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bubblin

marvin-danigMarvin Danig

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