officeAir – A temperature and Humidity Meter and Google Sheet Logger with Raspberry Pi and I2C sensors

Posted on 05/07/202005/07/2020 by Zoltan

This project lets you log temperature and humidity data via Raspberry Pi and a sensor easily and automated way into you google sheet, collecting the raw data and automatically drawing a nice chart as data coming in. (The name and use case comes from life: initially we set this up to monitor DecentLabs office climate Read more about officeAir – A temperature and Humidity Meter and Google Sheet Logger with Raspberry Pi and I2C sensors[…]

RPi Speaker – An Open Source Fully Integrated Active Speaker for RPi

Posted on 10/02/201610/02/2016 by Zoltan

Didn’t find an elegant compact solutions out there. I’m using only the GPIO pins, no need to route the audio jack output back to the PCB like existing solutions. Also using an on board amplifier which supplied from RPi 5V. Built a few prototypes yet and working nice 🙂 Enjoy! https://github.com/rfsparkling/RPi_Speaker https://www.reddit.com/r/RASPBERRY_PI_PROJECTS/comments/55hk5k/rpi_speaker_an_open_source_fully_integrated/

QRPi – WSPR on a Rasbperry Pi

Posted on 02/16/2016 by Zoltan