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Walker Arce

Electrical Engineer

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This user joined on 12/25/2017.

My Projects

Development of a rotary scanning arm control system

3D Scanner Arm Control Board

A Teacup firmware compatible 3D printer control board in one square inch.

One Square Boy: A 3D Printer Control Board

Interacting with the OpenBCI through a simple hardware device

OpenBCI Network Interface Board

Development of a TTL stepper motor driver

Discrete Motor Driver

Development of a four output motor driver shield

TC78S122FTG Arduino Shield

Projects I Like & Follow

Supplyframe DesignLab: 2022 Hackada…

Grow vegetables with ultraponics tower

UltraTower

Supplyframe DesignLab: 2022 Hackada…

Remote Radio Message Recording, Queueing, and Transmission (for Normal and Emergency Communications)

Project Boondock Echo

A lost art, that few can still use, and guard viciously as a company secret.

Universal Coil winding Machine

Simple, inexpensive bird feeder that dispenses peanuts in exchange for dropping stuff in a hole. A vending machine for clever birds.

Vending Machine for Birds

My take on an Arduino based PIMD

Pulse Induction Metal Detector

An easy, half-bridge SSTC that can produce beautiful, 12" sparks with only a few watts of input power

The Easy, Powerful Solid State Tesla Coil

This is a scanning electron microscope I am building from scratch from mechanical, electronics and control software.

My Custom Scanning Electron Microscope

2021 Hackaday Prize

A new way to generate wind energy using only polyester film based flexible circuits

Flexible circuit wind generator

Stuart MacKenzie

Supplyframe DesignLab: 2022 Hackada…

Solar Tracker based on ESP32 with low cost actuators integrated on Home Assistant

Home Assistant Solar Tracker

This is a homemade 7-bit SAR ADC using discrete components for principle study.

Homemade Successive Approximation Register ADC

2021 Hackaday Prize

This project focuses on the development of open-source, low-cost, waterjet-powered robotic speedboats for education and research

Low-Cost, Waterjet-Powered Robotic Speedboats

This article will guide you to construct custom made high voltage variable capacitors with in range of nanofarad.

DIY HV Variable capacitor

An open source haptic force feedback glove

Remote Feelings

A dream school project: control one or more cctv cameras with only a arduino

Controlling a cctv camera with arduino!

For the first time, you can build a High-Speed AFM and get 46x46µm, 512x512 pixels image in 9.3 seconds. Costs you less than a Mac Pro!

Low-cost and high-speed nanoscale imaging tool

This is a mechanical press. It has about 200 kg/ 440 lb press capacity (theoretically). The working area is about 100x100x150 mm.

Building a Mechanical(Geared) Press (3d printed)

I needed a place to hold my scope probes above the festoon of wires and junk on my bench. Here's my solution.

Scope Probe Caddy

Portable, low-power Geiger counter that doesn't look ugly.

Discrete Transistor Geiger Counter

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Bits

Erwin Rieger wrote 10/15/2021 at 17:13

Thanks for your like :-)

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Mitsuru Yamada wrote 09/24/2021 at 00:31

Thank you for liking my project #Homemade Successive Approximation Register ADC !

Are you sure? yes | no