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Mario Frei

I am a mechanical engineer working with electronics in an architecture environment

Zürich, Switzerland

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This user joined on 04/06/2018.

My Projects

The 2018 Hackaday Prize

Modular sensing platform for research

SENSEation

mario-frei Mario Frei

Projects I Like & Follow

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

Hackaday.io Project

The 2017 Hackaday Prize

HeartyPatch is a fully open-source, IoT connected, BLE enabled heart-rate variability & ECG patch with great accuracy

HeartyPatch: A single-lead ECG-HR patch with ESP32

ashwin-k-whitchurch Ashwin K Whitchurch

The 2018 Hackaday Prize

A 1 square inch PCB module with 2 tiny solar cells, a highly efficient Li-Ion charger and with 3.3V and 1.8V output

Tiny Solar Energy Module (TSEM)

jasper-sikken Jasper Sikken

In this period of isolation, I'm trying to build an oximeter with parts already in house. An oximeter is made by two leds and a photodiode.

Oximeter do it yourself

giulio-pons Giulio Pons

The 2016 Hackaday Prize

Pi + Picamera + M12 lens + Arduino microscope/experimental setup for diagnostics and scientific experiments!

Flypi - cheap microscope/experimental setup

andre-maia-chagas Andre Maia Chagas

The 2015 Hackaday Prize

Creating a generic data logging platform that is easy to build & modify for many different environmental monitoring projects.

The Cave Pearl Project

ed-mallon Ed Mallon

The 2017 Hackaday Prize

Creating a four legged robot with a running bound gait.

Mr. Runner

alex-martin Alex Martin

AVR-HV is USB base high voltage parallel programmer for Atmel AVR series microcontrollers.

AVR-HV: High voltage programmer for AVR MCUs

dilshan-jayakody Dilshan Jayakody

The 2018 Hackaday Prize

Super-small BQ25504-based device charges a LiPo battery at ~7 mA using an inexpensive solar cell in direct sunlight

Ultra-Low Power LiPo Charger via Energy Harvesting

kris-winer Kris Winer

A kick-ass high-power ARM board with everything you need -- and small enough to fit in your pocket.

Thunder Pack

Keep track of air quality with pretty graphs

ESP32 Air Quality Monitor

Official Hackaday Prize Entry

A monster flashlight containing a 100W 8500Lm led with big heatsinks and batteries. With morse function to tell the night goodbye.

Portable 100W led flashlight

yannick-gigawipf Yannick (Gigawipf)

Hack a Raspberry Pi case to include IR LEDs and the NoIR Camera module for a home CCTV setup

Raspberry Pi Night Vision Camera Hack

wesley-archer Wesley Archer

Slowly putting together a portable sdr with a pi for fun.

Raspberry Py SDR

emerica Emerica

[ an open-access peer-reviewed journal ]

Hackaday Journal of What You Don't Know

aleksandar-bradic Aleksandar Bradic

The 2018 Hackaday Prize

This is low cost 3d printed robot arm based on Ikea Tertial lamp.

Tertiarm - 3d printed robot arm

anastascar anastas.car

Hackaday Prize 2019

Arduino-compatible board with 128x64 OLED display and 6 buttons for playing simple 2D games.

Tiny game console

mislav-breka Mislav Breka

2021 Hackaday Prize

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

Pixel Pump Pick & Place

robin-reiter Robin Reiter

View all

Bits

Mario Frei wrote 07/09/2018 at 16:27

You're welcome. Your project page is very comprehensible written. I’ve always been a bit afraid of doing power harvesting. Now, I am very tempted to buy your breakout board.

Are you sure? yes | no

Kris Winer wrote 07/09/2018 at 15:38

Thanks for following my Ultra-Low Power LiPo Charger project!

Are you sure? yes | no