Cute Brass Lunar Lander Is A Neat Little Environment Monitor

Sometimes form can make a project more attractive than its simple function. [Mohit Bhoite]’s free-form builds are great examples of this. His latest effort is a gorgeous little device that di…

Pocket CO2 Sensor Doubles As SMD Proving Ground

While for some of us it’s a distant memory, every serious electronics hobbyist must at some point make the leap from working with through-hole components to Surface Mount Devices (SMD). At fi…

Recycling Junk E-tags Into A LoRaWAN AQI Sensor

[Aduecho] had seen those cheap eBay deals of e-paper-based pricing tags, and was wondering if they could be hacked to perform some other tasks. After splitting the case open, the controller chip wa…

LoRa Air Quality Monitor Raises The Bar On DIY IoT

We’ve seen an incredible number of homebrew environmental monitors here at Hackaday, and on the whole, they tend to follow a pretty predicable pattern. An ESP8266 gets paired with a common te…

A Merciless Environmental Monitoring System

We’ve seen plenty of environmental monitoring setups here on Hackaday — wireless sensors dotted around the house, all uploading their temperature and humidity data to a central server h…

Jigglypuff Sensor Breathes CO2 So You Don’t Have To

We’ve seen a lot of environmental monitoring projects here at Hackaday. Seriously, a lot. They usually take the form of a microcontroller, a couple sensors, and maybe a 3D printed case to kee…