8 Results for "air quality"

Pico LoRa Expansion is Finally Out! Supports 868MH
Details from Pico LoRa Expansion is Finally Out! Supports 868MH
After launch of Pico RP2040 Microcontroller there are several Pico Add-ons, HATs & Expansions arrived in the global market, But this time SB Components Launched First Ever LoRa™ Expansion for Pico. SB Components...

Audible Freq Sonar with the Stellaris Launchpad
Details from Audible Freq Sonar with the Stellaris Launchpad
Over the last year I've been working towards an underwater sonar system for ROVs and surface boats. In order to learn the basic signal processing required to detect the echoes, I initially got a simple sonar working in air with a desktop conferencing...

Smart Plant
Details from Smart Plant
Overview The Smart Plant was designed to be flashed with the ESPHome firmware, however it can be directly programmed through Arduino or ESP-IDF. And since the code is yours, so it's the data you gather, stream it to your Home Assistant server and automate...

DIY Soil Moisture Sensor with E-Ink Display
Details from DIY Soil Moisture Sensor with E-Ink Display
Greetings to all! Today I want to tell you about one of my projects, this is a soil moisture sensor with a small screen on electronic ink, the sensor works on a battery, can send data over the air to some of the Smart Home systems. This project is a...

Sensor Monitoring Using LoRa & Arduino
Details from Sensor Monitoring Using LoRa & Arduino
There are various sensor monitoring methods are available some of them using IoT and others using offline protocols like Bluetooth and BLE. But the offline method doesn’t offer a good range and online methods are expensive and very compilated. Today,...

Lora Data Sender
Details from Lora Data Sender
The DHT22 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). It's fairly simple...

TrillSat
Details from TrillSat
Introduction Polo and the Pony Express: The T Acronyms Primary Purpose Restoring Communication When Our Infrastructure is Down Secondary Purposes The Ancient Library A Clarkeian Satellite/Spacecraft Analog The Trill Tethered Rocking Orbiting Tracker...

Bat Sonar
Details from Bat Sonar
Video showing the bat sonar in actionThis video shows the sensor in action. The left graph shows the identified targets. The size of the circles indicates the strength, and the location on the graph is their measured location. The graph...