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kevarek

A guy interrested in embedded systems, digital and analog electronic. RC models, bioelectronics, CNC...

Czech Reublic

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This user joined on 02/05/2015.

My Projects

Easy to build but very capable and handy DIY solder paste dispenser built mostly from cheap Ebay components and modules.

Low cost solder paste dispenser

kevarek kevarek

Precision programmable dual channel power supply 1-25V, 0-2A.

Advanced bench power supply

kevarek kevarek

Very simple +-50 A isolated current sensor with 1.5 MHz bandwidth based on Anisotropic Magneto Resistive sensor technology (MCA1101-50-3).

Isolated +-50 A current sensor

kevarek kevarek

Every person makes mistakes, wise person learns from them.

Lifetime fails project

kevarek kevarek

Small battery operated LCR meter and PCB short circuit detector.

Handy LCR meter

kevarek kevarek

Small spot welder with maximum discharge energy 75 Ws (J).

Capacitive discharge spot welder

kevarek kevarek

View all 10 projects

Projects I Like & Follow

Official Hackaday Prize Entry

The open source 3D Printable Raman Spectrometer using a RaspberryPi and easy to find off the shelf components..

ramanPi - Raman Spectrometer

Official Hackaday Prize Entry

Python-powered machine vision modules

OpenMV

Hackaday Prize 2019

High Power, High Performance 400V 300A 100+kW Motor Controller fully compatible with VESC®

Axiom: 100+kW Motor Controller

Follow for the 'Hacklet' and latest news about hackaday.io

Hackaday.io Project

Personal project to develop a quad copter using as much self designed circuitry and software as possible.

Gator Quad

Hackaday Prize 2019

The Probe-Scope is an open source 60MHz 250Msps oscilloscope probe with all guts built right in, that plugs directly into your PC via USB

60MHz Bandwidth 250Msps Probe-Scope

The 2016 Hackaday Prize

Spectrophotometer design with a sensitive detector, bright light source and a sample holder. Easily and inexpensively built.

Spectrophotometer

A DIY oscilloscope probe to dig small differential signals embedded in high common mode voltages.

A 10X 100MHz Differential Probe

No, not Electronic Dance Music - It's an Electro-Discharge Machine for PCB prototyping

Not Your Father's EDM

Jarrett Jarrett

Hackaday Prize 2019

Small magic pcb for moving miniature cars, trains or satellites :-)

Ant highway - linear motor for micro cars

Hackaday Prize 2020

SOLO is a Motor Controller designed to easily run most types of electrical motors, DC, BLDC, PMSM and ACIM. it's easy to use and versatile.

SOLO, A Universal Motor Controller

Few guidelines to help in PCB layout

PCB Design Guidelines

Easily document cables and wiring harnesses

WireViz

A small, cheap, light-weight preamplifier for student use in electrophysiology labs. Performance is quite good.

Small physiological preamplifier

Wide range impedance meter with calibration, compensation and auto-ranging

Precision impedance meter asdf_lcr1

I needed a differential probe for BLDC motor ESC development and adapted Bud's design for my needs

A 1x, 100 MHz, 35 V common mode diff probe

Simple probe for sniffing electric field on PCBs.

Simple E-field probe

MS-BOSS MS-BOSS

Bits