Calculate resistance value and tolerance of resistors by their color codes (maintenance fork)

Get data from temperature/humidity sensor (DHT11)

Component Tester

Analog Button Muxer, click & hold: the intuitive way.

Switching on and switching off LEDs according to the data from analog input

This will guide you on how to play musical notes of any song on a piezoelectric buzzer, using Arduino Uno R3, a resistor and some connecting wires.

Simple FM Radio using TEA5767 and Rotary Encoder.(Serial Output)

Use the resistive divider to calculate the unknown resistor, and use the average filter to smooth the value.

Project about pet food dispenser with arduino. Simulation link: https://www.tinkercad.com/things/9iVNfFJeRKA

Timothy Do's Arduino Experiments. Run AT YOUR OWN RISK.

Code used to run Arduino to read a photoresitor (LDR) hit by a laser, also controlled by Arduino. Data is provided through the Serial

Find two standard resistor values that have a certain ratio.

Inductance and Resistance meter, Arduino based. Push button input. 3 tests, 4 resistor test ranges. One Inductance test, Analog input display , outputs to serial monitor and OLED. Resistor range is from 0 ohms to 2 Mohms , Inductor range is 80uH to 30,000uH.

Exercício: Criação de um relógio usando arduino e display de 7 segmentos no Tinkercad

An arduino application that blinks led lights

A simple capacitance meter implemented on ESP32-C3. The only external component required is a 2Mohm resistor.

Sensor TCRT5000 funcionando com o corte de luz ultravioleta

LCRDT-Tester is an electronic component tester based on Arduino Nano v3 with internal reference incl. pcb schematics & code