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Dave Lehman

Rails developer, keyboard builder, 3D printer.

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This user joined on 03/13/2023.

Projects I Like & Follow

The 2016 Hackaday Prize

Hooking up a DIY spectrometer to professional spectroscopy software

Universal software for DIY spectrometers

friedrich-menges Friedrich Menges

Bluetooth transmitters are different and highly integrated modules. Here is the info, to use and select proper module for different purpose.

Bluetooth Transmitter – Chipset, Power, Datasheet

sagar-001 Sagar 001

Aloidia is a staggered, split, fully wireless solar-powered mechanical keyboard with extremely long battery life.

Aloidia: wireless split solar powered keyboard

nguyen-vincent Nguyen Vincent

The 2017 Hackaday Prize

A quick and dirty antenna to save me buying Yet Another Dongle just to get Bluetooth in my garden. Also works with WiFi dongles...

Bluetooth & WiFi Antenna Upgrade

morningstar Morning.Star

oshpark

electronic conference badge for 2018 Open Hardware Summit attendees

2018 Open Hardware Summit badge

oshpark oshpark

Supplyframe DesignLab: 2022 Hackada…

Raspberry Pi Phone-Your Own Phone That Can Call and Text Under $70

Raspberry Pi Phone

Reverse Engineering Bluetooth Data

Bluetooth Data Owon B35T Multimeter

alain-mauer Alain Mauer

BlackIce is the fusion of FPGA & ARM - a low cost open source hardware FPGA dev board bound together with innovative open source toolchain

BlackIce - Low Cost Open Hardware FPGA Dev Board

Tomographic scanner using my X-Ray machine, a simple motor to rotate the object and a reconstruction software

X-Ray CT Scanner

francisco-piernas Francisco Piernas

How to use the Anycubic Mega Pro laser addon with LightBurn

Anycubic Mega Pro running with LightBurn

ringo2k Ringo2k

Design for 3D printed Helmholtz Coil that can be configured for any wire size, number of wraps and magnetic strength

Highly Configurable 3D Printed Helmholtz Coil

A collection of OS 3D printed electronic components you can assemble on demand faster than buying/ordering in person or online.

Opensource 3D Printed Electronic Components

Supplyframe DesignLab: 2022 Hackada…

Modular open hardware robot for uROS2 & Microblocks

Rosmo robot

Step-by-step instruction on running Dropbox on Raspberry Pi using ExaGear Desktop

Run Dropbox on Raspberry Pi

Project homepage & downloads: https://sites.google.com/view/flips-cubicle

LED Cube RGB 12x12x12 powered by Raspberry Pi

flip-schaumal Flip Schaumal

This is the second version of a device I designed to alert me in the unfortunate event the nozzle clogs. It communicates with the printer!

3D Printer Clog Detector V2

elite-worm Elite Worm

AI Based Object Tracking Robot Using Arduino and HuskyLens

Arduino AI Object Tracking Robot

jithin-sanal Jithin Sanal

Video rig grip with embed arduino to control sony camera

Arduino LAN-C Grip

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