Collaborate Disseminate
[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 …read more Continue reading Recycling Junk E-tags Into A LoRaWAN AQI Sensor
[Debasish Dutta] has designed a few weather stations in the past, and this, the fourth version of the system has had many of the feature requests from past users rolled in. The …read more Continue reading Hackaday Prize 2022: Solar Powered LoRa Weather Station For The Masses
Radioactivity has always been a fascinating phenomenon for anyone interested in physics, and as a result we’ve featured many radioactivity-related projects on these pages over the years. More recently however, …read more Continue reading Flexible Radiation Monitoring System Speaks LoRa and WiFi
When interfacing with the real world, there are all kinds of sensors available which will readily communicate with your microcontroller of choice. Moisture, pH, humidity, temperature, location, light, and essentially …read more Continue reading Water Level Sensor Does Not Use Water Level Sensor
Building and flying model rockets is great fun. Eventually, though, the thrill of the fire and smoke subsides, and you want to know more about what it’s doing in the …read more Continue reading Launch and Track Your Model Rockets Via Smartphone
[Renzo Mischianti]’s friend has to keep a water tank topped up. Problem is, the tank itself is 1.5 km away, so its water level isn’t typically known. There’s no electricity …read more Continue reading LoRa Helps With Remote Water Tank Level Sensing
Embedded engineer [Alberto Nunez] has put together a compact LoRa satellite telemetry ground station that fits in your hand and can be built for around $40 USD. The station receives …read more Continue reading DIY Low-Cost LoRa Satellite Ground Station
Setting up a wireless sensor network over a wide area can quickly become costly, and making everything communicate smoothly can be a massive headache, especially when you’re combining short range …read more Continue reading Farm Data Relay System: Combine LoRa and 2.4 Ghz Networks Without WiFi Routers And Cloud Dependence
It’s fair to say that right now is probably the worst possible time you could choose to design a new piece of hardware. Of course the reality is that, even …read more Continue reading Designing a LoRa Gateway During a Part Shortage
For some power users, the one-hundred-and-something keys on regular keyboards just aren’t enough for their everyday tasks. Macro keypads are a popular way of extending one’s input capabilities, and there …read more Continue reading Odd Inputs and Peculiar Peripherals: The LowPow ShortKeyboard Can Work on Your Desk or Out in the Field