For those of us who aren’t blessed with a green thumb and who are perhaps a bit forgetful, plants can be surprisingly ...

With strong reflectance, the output voltage tends towards GND; with weak reflectance, it tends towards Vcc. The resistor wired in series with the infrared LED sets the operating current to a safe ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

DIY WiFi-Controlled Drone Complete Circuit Diagram The complete circuit diagram for the DIY WiFi Controlled Drone is shown below. It can also be downloaded in PDF format from the link given at the end ...

An easily implementable signal conditioning circuit for resistive humidity and temperature sensors is presented. It is based on a relaxation oscillator in which both the frequency and the duty-cycle ...

The TDS sensor detects water conductivity. The Arduino reads this analog signal and converts it to digital. A calibrated formula calculates the TDS value in ppm. The LCD displays the real-time TDS ...

The SGP30 is a digital multi-pixel gas sensor designed foreasy integration into air purifier, demand-controlledventilation, and IoT applications. Sensirion’s CMOSens®technology offers a complete ...

A Simulation Program with Integrated Circuit Emphasis macro model is proposed to simulate and understand the interaction between magnetoresistor (MR) and vertical magnetotransistor (VMT) in the ...