Things you need: Arduino Uno LM35 temperature sensor 16×2 LCD display 330Ω resistor 10kΩ trimmer jumper wires Characteristic of LM35DZ sensor: Units in ̊ Celsius
Tag: Arduino
Using Arduino to interface with 16×2 LCD
Components used: Arduino Uno 16 x 2 LCD 10K potentiometer 330Ω resistor jumper wires breadboard type A / type B USB cable connected to PC
Using Arduino to control 8 segment display
Below is the code for the Arduino sketch. A short clip… ‐——————————————————————————– Using serial in parallel out shift register (MC74HC595AN) to connect 7 segment LED
Using NPN transistor as a switch
The schematic for the circuit. Using Arduino Uno, 12v led strip, 9v battery and 2N3904 transistor, with some simple code to control on/off. And a
Connecting an Active Low switch to Arduino
Arduino Uno has a built in ‘pull up’ resistor integrated into its circuit. We can use this resistor by using INPUT_PULL as the mode argument
Connecting a switch to Arduino
This sketch is just a switch connected to Arduino Uno, the voltage is 3.3v, the LED act like a resistor (else the circuit will be
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