In Thailand, smoke pollution caused by slash-and-burn agriculture has become a serious social problem, but many people cannot afford to purchase an air quality sensor that costs more than tens of ...
Lighthouse position tracking system consists of: – two stationary infrared-emitting base stations (we'll use existing HTC Vive setup), – IR receiving sensor and processing module (this is what we'll ...
A low-cost (~$100), do-it-yourself (DIY) ultrasonic water level sensor/datalogger has been designed, constructed, and tested for use in education, citizen/community science, and research settings. The ...
#include "DiyCtSensor.h" #define CT_SENSOR_COUNT 2 #define X_BLOCK_LED 13 #define Y_BLOCK_LED 12 DiyCtSensor diySensor; void setup() { Serial.begin(9600); diySensor.initBlockSensors(CT_SENSOR_COUNT); ...
Les Wright of the YouTube channel Les' Lab has figured out how to remove the Bayer filter from a Raspberry Pi camera. By doing so, Les expanded the sensitivity of the CCD image sensor for use in a ...
The folks at Coretech Robotics put together this project. It does take a little skill to build, but nothing too daunting. They used an SR-HC04 sensor because it's cheap and reasonably precise. An ...
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