WebFeb 9, 2024 · Interfacing MQ137 Sensor with Arduino to Measure Ammonia in PPM Home Microcontroller Based Projects Measuring PPM from MQ Gas Sensors using Arduino (MQ-137 Ammonia) Measuring PPM from MQ Gas Sensors using Arduino (MQ-137 Ammonia) Published February 9, 2024 33 Aswinth Raj Author Measuring PPM from MQ-Gas Sensors … WebJul 29, 2024 · The sensor can detect a wide range of phosphate concentration from 0.1 to 30 ppm, signifying this sensor’s application for various agricultural applications. The …
Measure Soil Nutrient using Arduino & Soil NPK Sensor
WebArduino Uno LM393 Speed Sensor Module 5V geared motor with encoder wheel PCB and breadboard Cables and connectors 16×2 LCD 10K POT The link to the project is given below- Touch Sensor touch sensor About Touch Sensor: Unlike pushbuttons, a touch sensor is activated due to physical contact. WebThe ultrasonic sensor HC-SR04 includes four pins: VCC pin: needs to be connected to VCC (5V) GND pin: needs to be connected to GND (0V) TRIG pin: this pin receives the control signal (pulse) from Arduino. ECHO pin: … cthompson gmail.com
An IoT-Enabled Portable Water Quality Monitoring System ... - IEEE …
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