![]() Used with analogReference().Ĭonfigures the reference voltage used for analog input (i.e. Reference voltage (0-5V) for analog inputs. Using pinMode(), digitalWrite(), and digitalRead() functions. Or used as digital output pin to drive different modules like LED, relay, etc. These pins can be configured as digital input pin to read the logic value (0 or 1). Here is an explanation of what every element and interface of the board does:Īrduino MEGA has 54 digital input/output pins (of which 15 can be used as PWM outputs). Keyestudio MEGA 2560 compatible board Advanced: Keyestudio MEGA 2560 compatible board Advanced This gives your projects plenty of room and opportunities. With 54 digital I/O pins, 16 analog inputs and a larger space for your sketch, it is the recommended board for 3D printers and robotics projects. The MEGA 2560 is designed for more complex projects. When connect the external power, output 5V, the drive current can be 2A. However, keyestudio MEGA 2560 compatible board Advanced features the voltage-regulator chip MP2307DN. When connect the external power, output 5V, the drive current is 1A. The voltage regulator chip used in keyestudio MEGA 2560 R3 board is NSP1117. Note: the most important difference between keyestudio MEGA 2560 compatible board Advanced and keyestudio MEGA 2560 R3 board is the voltage regulator chip used in the board. Just simply connect it to a computer with a USB cable or power it via an external DC power jack (DC 7-12V) or via female headers Vin /GND (DC 7-12V) to get started. With its bootloader, program can be downloaded directly with USB and you don’t need to use other external programmer. It contains everything needed to support the microcontroller. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, 2 ICSP headers, and a reset button. Keyestudio Mega 2560 compatible Advanced is a microcontroller board based on the ATMEGA2560-16AU, fully compatible with Keyestudio Mega 2560 R3 board and ARDUINO MEGA 2560 REV3. 7.1.3 Introduction for Arduino IDE Toolbar.7.1 Step1 | Download the Arduino environment (IDE).7 Detailed Use with ARDUINO Software as follows:.If you know, please kindly share it here. You can find it on w5500.cpp: void W5500Class::init(uint8_t ss_pin)īut please be aware if your Wiznet module is already flashed by software reset, you need to rewrite the MAC Address using Ethernet.begin(mac) (and it goes without saying, please comment #define WIZ550io_WITH_MACADDRESS on file Ethernet2.h before do Ethernet.begin(mac)).īut this solution came up with anoher question: Why we need to do software reset after all? I have comment it and still haven`t find any problem till today. I peek into the Ethernet library and found out everytime we init the Wiznet module, we do software reset. So the conclusion is if you use software reset, the MAC Address value (and the other like IP, DNS, Gateway, etc) on the Common Register W5500 became zero. I stumbled into this problem a days ago, and I think I came up with some solution (or so I think).īefore I came up with a solution, I read this thread: WIZ550io schematic and PIC memory for MAC Address - #4 by Edward - WIZ550io - WIZnet Developer Forum
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