Monday, November 5, 2018

Suggest a Arduino Calculator Tutorial

It's a great tutorial show you how to make a simple calculator using ATmega 328p microcontroler, same as the MCU on Arduino UNO.

This calculator has only simple functions (+, -, *, /), it supports decimal numbers and it can be reprogram or modify as you want.

2x 5x7 cm perf board
AtMega328P borrowed from Arduino Uno
128x32 I2C OLED display
16Mhz crystal oscillator
100nF capacitor
2x 22pF capacitor
17x 2 pin push button
1K resistor for LED
10K pullup Resistor
3.7V battery

~ adafruit/Adafruit-GFX-Library
~ adafruit/Adafruit_SSD1306
~ Program Code

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