![]() With this we can nudge the Arduino back to a waking state. The METRO Mini V2 works great with the Arduino IDE, and runs the ATmega328P at 16MHz so it is pin-compatible with Arduino UNO R3 - note you wont be able to. The Uno and the Pro Mini have 2 pins (d2 and d3) that have the capability to interrupt what the Arduino is doing. Most true Arduino’s have a couple of pins that do just that. Note: I am not going to go to deep into what interrupts are good for, but if you want to learn more about this concept check out my tutorial ( Using Interrupts to improve the functionality of your project ) on this topic After you receive this nudge you pay attention to what the interruption is about, and after dealing with it you put the music back on and continue with your task. The only way to get your attention is by giving you a nudge. You are so concentrated on this that the outside world is lost to you. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit METRO 328 Fully Assembled - Arduino IDE compatible ATmega328 : ID 50 - We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. You should change the OLED address in the following line, if necessary. Double-check the OLED display I2C address: with the OLED connected to the Arduino, upload this code and check the I2C address in the Serial Monitor. You wear headphones blasting your music loud to drown out your surrowndings. Check that the OLED display is properly wired to the Arduino. The best way to describe it is You are working on something you really need to concentrate on. With its impressive features and cutting-edge technology, this display. Be careful with libraries that turn off the interrupts for some time, that makes the I2C Slave part unreliable. ![]() Discover the power of the 1.3 inch OLED display module and its seamless integration with Arduino. When you have the Arduino Pro Mini 3.3V as a I2C Slave and use SoftwareWire for the sensors, and the display with SPI-alike signals, then everything is straightforward. Step 2: Installing the Required Libraries. Before we go into the code to put an Arduino to sleep we need to understand the interrupt concept. Interfacing 1.3 INCH OLED Display Module with Arduino.
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