Portable Power Supply

Portable Power Supply

I have a few excellent external batteries, the kind with USB female connectors used to charge phones. Now I needed a high voltage 12V battery, or more specifically something in…
Easy PCB Manufacturing

Easy PCB Manufacturing

For a maker, there's now no excuse in not using his/her creativity to the maximum extent. All the tools are readily available, you just need to think of what you…
LoRaWAN, RN2483 and BME680

LoRaWAN, RN2483 and BME680

Some of the best moments are those when exciting technologies come together to create even greater products or results. This is such an example. Taking advantage of the latest IoT…
City Air Quality

City Air Quality

Introduction Environmental surveillance is a big thing. Important for our health, but also resource consuming when it comes to designing a system that works. I started with the first unit…
DIY Geiger Counter Kit 1.1

DIY Geiger Counter Kit 1.1

This is an Open Source Digital Radiation Dosimeter, that can be used both as a portable detector, but also as a monitoring station to upload readings to the uRADMonitor network.…
The finalists

The finalists

There was a tough road to get the 3x Portable Environmental Monitor beta prototypes to the Hackaday Headquarters in time, but the effort was worth it! With today's official announcement,…
Portable Environmental Monitor

Portable Environmental Monitor

The portable environmental monitor addresses pollution, the kind that we are unable to see but directly affects our health and causes life threatening diseases. Airborne toxic chemicals, radioactive dust and…
ESP8266 Troubleshooting

ESP8266 Troubleshooting

I got a few esp8266 modules back in 2014, shortly after they've been announced on HackaDay. I didn't have much time for them, being caught with other projects, up until…