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Miroslav Hancar

HW designer / embedded programmer

Slovakia
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6 Followers
33 Following
14 Projects
127 Likes
miroslav-hancar
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This user joined on 02/25/2020.

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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

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These candles flicker like a real candles and can be activated with real flame
Project Owner Contributor

LED candles

miroslav-hancarMiroslav Hancar

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...wattemeter, voltmeter, ammeter...
Project Owner Contributor

Single phase energy meter

miroslav-hancarMiroslav Hancar

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Universal PCBs for testing filter designs
Project Owner Contributor

PCBs for active filters

miroslav-hancarMiroslav Hancar

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Simple DSP devboard
Project Owner Contributor

dsPIC development board

miroslav-hancarMiroslav Hancar

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This device is used to amplify the voltage drop across a shunt resistor, which can be useful for measuring very small currents
Project Owner Contributor

Battery powered current sense amplifier

miroslav-hancarMiroslav Hancar

View all 14 projects

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Plastic covered photo cells + Supercapacitor with unlimited life
Project Owner Contributor

ArmaLamp - Armageddon resistant night lamp

bobriciusbobricius

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A device based on PZEM-004T that monitors power, current, voltage, frequency, etc.
Project Owner Contributor

Power Monitoring

strangerandstrange.rand

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

Homemade Successive Approximation Register ADC

mitsuru-yamadaMitsuru Yamada

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An open-source manual pick and place machine for PCB artisans
Project Owner Contributor

Pixel Pump Pick & Place

robin-reiterRobin Reiter

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

TL431 rogowski coil current sensor

stephenStephen

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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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Home automation controller
Project Owner Contributor

AquaController 2.0

vadim-teselkinVadim Teselkin

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Sleep trainer for kids
Project Owner Contributor

Lighthouse

strangerandstrange.rand

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A mobile phone built using the arduino nano board
Project Owner Contributor

Arduino Phone

xtreme-techXtreme Tech

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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

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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

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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

155
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Power a circuit requiring galvanic isolation.
Project Owner Contributor

Isolated Bias Power Supply

brian-cornellBrian Cornell

140
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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

139
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Simple Fitness Monitoring Device for your Hamster based on ATtiny412
Project Owner Contributor

Hamster Wheel Tracker

stefan-wagnerStefan Wagner

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A little class AB amplifier with low distortion
Project Owner Contributor

Amperra v1.0: The DIY Amplifier

toster92t.oster92

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You'll learn how to create a circuit to control anyone mobile robot with wheels.
Project Owner Contributor

Dedicated Control Board for Mobile Robots with Whe

silcios-labSilícios Lab

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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

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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

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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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