Useful tips for everyday
How do I connect Arduino Uno to buzzer? The Connections are pretty simple: Connect Supply wire (positive) of the buzzer to the Digital Pin of…
How do I connect pins to Arduino? Connect the anode of the LED to one end of the resistor and the other end of the…
How many relays can be connected to Arduino? Each IO Expander can control up to 16 daisy chained Relay Expanders for a total of 256…
Can digital pins be used as ground? Pins are not guaranteed to sink current greater than the listed test condition. You can just try converting…
Does NTP work without Internet? This driver doesn’t support an actual clock, but rather allows the server to synchronize to its own clock, in essence…
What does a level converter do? A level shifter (level translator), in digital electronics, also called logic-level shifter or voltage level translation, is a circuit…
How do I install a serial port driver? How to Install a PCI Serial Port Driver Step 1 – Plug the PCI Serial Port into…
What is the role of a photoresistor? A photocell or photoresistor is a sensor that changes its resistance when light shines on it. The resistance…
How do I test an Arduino board? Testing the Arduino Uno Board Connect one end of the wire to A0 port. Connect the other end…
Is SPI bidirectional? As mentioned, one variant of SPI uses a single bidirectional data line (slave out/slave in, called SISO or master out/master in, called…