The red LED in the circuit indicates the presence of the input supply ... Luca Dentella has written a great tutorial on how to interface ACS712 current sensor with an Arduino. For more details and ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module ... be linked to the little circuit shown below, and use an external 5VDC ...

Stepper motors are a mainstay in precision control systems, valued for their simple open-loop operation and high torque at ...

An Arduino is a microcontroller ... You'll need the sensor module R305 to read your fingerprint and a list of other ...

The idea is simple enough: just place a INA219 current sensor between the power supply ... Of course in this case, [Mark] knew what the target Arduino Nano was doing because he wrote the code ...

usually built using a current sensor, a control circuit, and a pass transistor. The current sensor itself can be a simple low-value resistor; since the voltage across it is proportional to the ...