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Miroslav Hancar

HW designer / embedded programmer

Slovakia
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8 Followers
33 Following
15 Projects
138 Likes
miroslav-hancar
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This user joined on 02/25/2020.

2.6k
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With a current consumption of only few uA, this thermometer is capable of running for years from single CR2032 (and forever from solar cell)
Project Owner Contributor

Ultra Low Power thermometer

miroslav-hancarMiroslav Hancar

1.3k
94
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These candles flicker like a real candles and can be activated with an actual flame
Project Owner Contributor

LED candles

miroslav-hancarMiroslav Hancar

1.8k
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Electricity meter with touchscreen and remote access
Project Owner Contributor

Single-phase energy meter

miroslav-hancarMiroslav Hancar

1k
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Universal PCBs for testing filter designs
Project Owner Contributor

PCBs for active filters

miroslav-hancarMiroslav Hancar

7
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Simple DSP devboard
Project Owner Contributor

dsPIC development board

miroslav-hancarMiroslav Hancar

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Buying a ready-made power supply would be too easy, so I decided to make my own.
Project Owner Contributor

DC Power Supply

miroslav-hancarMiroslav Hancar

View all 15 projects

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Another take on a DIY Geiger Counter, capable of alpha, beta and gamma detection, in a 3D printed enclosure.
Project Owner Contributor

Geiger Counter

dan-julioDan Julio

3.5k
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Rogowski coil current sensor using cheap shunt regulators as opamps.
Project Owner Contributor

TL431 rogowski coil current sensor

stephenStephen

3.3k
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5
14
A quad OpAmp Makes a Buck Regulator
Project Owner Contributor

OpAmp Buck Regulator

aaron-lagerAaron Lager

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Yet another DIY electronic load project.
Project Owner Contributor

Dynamic Electronic Load

bud-bennettBud Bennett

1.9k
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This was created to be a 4H project. The kids would learn to program, understand what a PWM signal was and how to solder
Project Owner Contributor

Analog meter Arduino Clock

hamblinjoehamblin.joe

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Ethernet Switch, USB HUB, USB-Ethernet and USB-RS232 Adapter
Project Owner Contributor

Integrated HUB - Ethernet, USB, RS232

jesse-farrellJesse Farrell

947
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a cute tiny infrared thermometer with -70 to 380 °C temperature range
Project Owner Contributor

Ultra Compact Infrared Thermometer

gokuxgokux

861
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A linear CC-CV charger to handle various secondary lithium chemistries. Built with Op Amps and Comparators.
Project Owner Contributor

Op Amp Based Lithium Charger

roflhoffROFLhoff

632
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Configurable gain and bandwidth current sense amplifier. DC to 1MHz/100kHz bandwidth, at 25x/50x gain.
Project Owner Contributor

"High" Bandwidth - Current Sense Amplifier

jesse-farrellJesse Farrell

616
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Adding utility to a piece of 1970's test equipment.
Project Owner Contributor

Computer Control for an old Electronic Load Box

bharbourBharbour

610
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A compact PCB to monitor water levels via ultrasonic sensor, display data on OLED, and log via Zigbee; all built with ATMega328p and PTVO
Project Owner Contributor

Water Tank Monitor

nicolas-colomerNicolas Colomer

300
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The inductance meter on the popular Arduino-like microcontroller.
Project Owner Contributor

InductoMeter

kasparsKaspars

262
3
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4
A headless 62.5MS/s 10MHz bandwidth oscilloscope.
Project Owner Contributor

NewtScope One

schuyler4schuyler4

231
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How to make an audio FFT spectrum analyzer on a 256x50 pixel VFD display.
Project Owner Contributor

Arduino FFT Spectrum analyzer on VFDdisplay GP1287

mircemkmircemk

225
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A badge add-on that's a re-programmable remote for your TV or other IR-controllable device and a I2C-controlled IR blaster.
Project Owner Contributor

Remote Control SAO

ben-combeeBen Combee

131
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A little class AB amplifier with low distortion
Project Owner Contributor

Amperra v1.0: The DIY Amplifier

toster92t.oster92

122
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A half decent torch
Project Owner Contributor

GoodTorch

shrinath-nimareShrinath Nimare

103
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Simple waveform generator 1 Hz - 5 MHz and adjustable amplitude up to 3.3V. USB-C powered.
Project Owner Contributor

Simple Function Generator

gosGos

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Brian Cornell wrote 08/06/2022 at 17:55 • point

Thanks for the like https://hackaday.io/project/186696-isolated-bias-power-supply

  Are you sure? yes | no

Mitsuru Yamada wrote 09/24/2021 at 00:23 • point

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

  Are you sure? yes | no

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