Ethernet Development Board for Keyestudio W5500 Arduino DIY Project, (No POE) CE/FCC

About Chip:

1. ATMEGA328P-AU
2. Atmega16U2 USB serial chip
3. AMS1117
4. 5V and 3.3V stability chip
5. W5500 Network Chip

About Interface:

1. ICSP Interface

Program firmware ATMEGA328P-AU

2. Digital interfaces D0-D13

Serial communication: D0 (RX) and D1 (TX)

External Interrupts: D2 (Interrupt 0), D3 (Interrupt 1)

PWM interfaces: D3, D5, D6, D9, D10, D11

SPI 통신: D10(SS), D11(MOSI), D12(MISO), D13(SCK)

3. ICSP Interface

Program Firmware Atmega16U2

4. USB port

Download the program or debug serial

5. DC power connector

7V-12V voltage access

6. Power output port

Output 3.3V or 5V, for external power supply or general ground handle

7. Analog interface A0-A5

IIC communication: A4 (SDA) and A5 (SCL)

Also available as a digital interface: A0(D14), A1(D15), A2(D16), A3(D17), A4(D18), A5(D19)

8. Network connector

RJ-45 Network Port

Medicinal Ingredients:

1. Reset button
2. 16MHz crystal oscillator
3. 25MHz crystalline oscillator