( /arduino/libraries/"library name"/"library name".h ) this caused me some trouble. If a shield uses the SCL/SDA pins, however, it should work with all the Arduinos (except the old ones, which don't have those pins) ArduinoGeezer October 1, 2015, 8:19pm 6. If a shield needs I2C connectivity and uses A4/A5 it will only work with a Uno (and the older 328/168 boards). Arduino Nano Every Pinout is explained in detail in this post. It comes with an even more powerful processor ATmega4809 (20Mhz) and a larger ram capacity of 6 KB (3 times). make sure you have the libraries in the correct folder. The Due also uses something other than A4/A5. The Arduino Nano Every is a pin equivalent and evolved version of the Arduino nano board. I will soon (if I get it to work) program the arduino to output the data via PWM (FrSky Smart Sensor) to use telemetry and compatibility with mini OSDĮdit1: added new testing.ino file (code for arduino) that should be sleeker. Each pin can provide or receive a maximum of 40 mA and has an internal pull-up resistor (disconnected by default) of 20-50 kOhms. If it still does not work you could download some other guys code. Each of the 20 digital i/o pins on the Arduino Leonardo can be used as an input or output, using pinMode (), digitalWrite (), and digitalRead () functions. But there are several versions out there and some of them seem to use pin 4 (SDA) and pin 5 (SCL). On my Arduino Nano (some cheap chinese knock-off) I figured that the i2c ports are on A4 and A5. If this still does not work you need to change the wire connection. if you detect your sensor on 0x77 just change this in the library. I changed the i2c address in the library to 0x76 as the sensor appeared on my scanner. If the code does not work, but you hooked up everything accordingly try scanning for i2c devices using the scanner (not my program, author is declared in the header, also I didn't write most of the other, I left the original header of those as well). VCC to the 3V3 (important, do not use 5V, could destroy the sensor)
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