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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

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 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

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

[ an open-access peer-reviewed journal ]

Hackaday Journal of What You Don't Know

aleksandar-bradic Aleksandar Bradic

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

The 2017 Hackaday Prize

Datalogger WIFI and Bluetooth for the IOT product

IOT Datalogger

reginald-sourn Reginald Sourn

The 2018 Hackaday Prize

Using ninjaflex, I have revived a dead Phillips CD-i

3D printed belt for Phillips CD-i

The 2017 Hackaday Prize

A cheap to produce and easy to assemble robot for use in STEM education.

E.R.N.I.E

sebastian-goscik Sebastian Goscik

The 2018 Hackaday Prize

This compact shield packs a serious punch with LTE CAT-1, GNSS positioning, temperature sensor, and voice support!

LTE CAT-1 Cellular Shield for Arduino

timothy-woo Timothy Woo

YES, naturally my owning MCU has OLED display.

tiny BLE board with OLED

Arduino IDE for Building Compiling Environment of ESP32

Arduino IDE for Building Environment of esp32

Imagine 50 smart-home devices on your WiFi network, pretty annoying right? LEDs are in, LiFi is cool, IOT is hot, lets see what we can do

Power LED LiFi Communication for IOT Smarthomes

Proto ArduPi SHIELD - universal prototyping shield for Raspberry Pi and Arduino family

ProtoArduPiSHIELD shield for Raspberry Pi Arduino

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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