![]() ![]() SCK (pin13) goes V cc, and then from N c to SCLK. Once the code is uploaded and I open the serial monitor I get only 'NotAvailable'. MOSI is pin 11 MISO is pin 12 SCK is pin 13 SS is pin 10 (on UNO) But SCK (pin13) how connect 74HC4050 and then go to SCLK. Writing the pin LOW is taking place in a function, after. Id like to write pin to LOW, connect push button between that pin and reset pin, but Arduino just doesnt write the pin LOW. I tried this simple code (connecting TX pin 12 with RX pin 11) in order to check Serial.read() and Serial.write(). digitalWrite doesnt write pin to LOW (Arduino MEGA 2560) Im working on a code for a project and I noticed that one piece of my code doesnt work as it should. I tried it with several codes (ADC,serial communication etc.) and the problem keeps happening, i don't know if it's the arduino's USB cable o arduino itself. Hi everyone I was trying to understand why I cant make Arduino Mega 2560 Serial work properly. FreqCount - Example with serial output. And the Mega sports a whopping 256 kB of flash program space. That's a whole lot of extra LEDs Instead of one hardware serial port, there are four. There are 54 I/O pins, instead of the 14 an Uno gives you. Here is sample code that will work with the arduino. The Arduino Mega is what you might get if you packed four Arduino Uno's into one board. Pin 47 is used to measure the frequency on the 2560 mega and cannot be changed. FreqCount Library, for Measuring Frequencies in the 1 kHz to 5 MHz Range. Int led=22, pulsador=23, valor_pulsador, led_2=13 īy the way that problem only happens when i use as a voltage source the arduino's USB cable, when i use a as voltage source a battery it doesn't happen. To do this you need to download the library at. the code works fine but after a while the led (PIN 22) turns off and the led (PIN 13) turns on by 2 seconds and turn off that situation happens time after time. I have connected the HM-10 (power, GND, Tx to Pin 1 (Tx0) and Rx to Pin 0 (Rx0). ![]() ![]() Hello guys, i am having a problem with the PIN 13, the led that most of arduinos have, i made a code that by pushing a button it will turn on or turn off a led, for the led i used the DIGITAL PIN 22 and for the button the DIGITAL PIN 23. Im trying to establish a serial communication with a HM-10 BLE module from DSD Tech with an Arduino Mega 2560 board. ![]()
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