how to make electronic component tester, using Arduino nano ,dfrobot

dfrobot . website 👇👇👇👇👇👇 Circuits and diagrams can be found on the blog 👇👇👇👇👇👇 COMPONENTS 👇👇👇👇👇👇 1- Arduino Nano 2- OLED Display- SSD1306 3- Diode - 1N4148 4- Switch 5- Resistor 100ohm,100k , 470k 6- : Monochrome “ 128x64 I2C/SPI OLED Display (Breakout) 7- : 3W Mini Audio Stereo Amplifier