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Based on the PT2272 chipset
Drive the solenoid with a suitable transistor or relay and add proper protection where needed
The Water Hall Flow Sensor G1/2 is a hall effect flow sensor with uart designed for liquid metering
calibrate weekly
Air Quality Sensor CCS811 VOC + eCO2 Breakout digital output Based on the PT2272 chipsetDetect Gas Levels and Air Changes in Real Time The Air Quality Sensor Breakout VOC and eCO2 CCS811 is a gas sensor with i2c designed for air quality projects, leak alerts, and ventilation monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Interface: I2C. Important: Most gas and chemical sensors work best after warm up and calibration. Readings can drift with
