Name: Arduino DUE Microcontroller Board
Brand: Arduino
SKU: DFR0220

Schematik raised $4.6M to help anyone build hardware with AI$4.6MIL PRE-SEED ANNOUNCEMENT

Logical pinout · physical placement not verified

Pins 1–40

Pins 41–80

Pins 81–82

D0RX0
USART serial receive 0, SAM3X PA8 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic
D1TX0
USART serial transmit 0, SAM3X PA9 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic
D2PWM2
Digital GPIO 2 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic
D3PWM3
Digital GPIO 3 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic
D4PWM4
Digital GPIO 4 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic
D5PWM5
Digital GPIO 5 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic
D6PWM6
Digital GPIO 6 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic
D7PWM7
Digital GPIO 7 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic
D8PWM8SCL2
Digital GPIO 8 / I2C 2 clock / PWM
Type · GPIO, PWM, I2CVoltage · 3.3 V logic
D9PWM9SDA2
Digital GPIO 9 / I2C 2 data / PWM
Type · GPIO, PWM, I2CVoltage · 3.3 V logic
D10PWM10CS
Digital GPIO 10 / SPI chip select / PWM
Type · GPIO, PWM, SPIVoltage · 3.3 V logic
D11PWM11COPI
Digital GPIO 11 / SPI controller out, peripheral in / PWM
Type · GPIO, PWM, SPIVoltage · 3.3 V logic
D12PWM12CIPO
Digital GPIO 12 / SPI controller in, peripheral out / PWM
Type · GPIO, PWM, SPIVoltage · 3.3 V logic
D13PWM13SCK
digital GPIO connected to built-in LED, SAM3X PB27 on official pinout
Type · GPIO, PWM, SPIVoltage · 3.3 V logic
D14TX3
USART serial transmit 3, SAM3X PD4 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic
D15RX3
USART serial receive 3, SAM3X PD5 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic
D16TX2
USART serial transmit 2, SAM3X PA13 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic
D17RX2
USART serial receive 2, SAM3X PA12 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic
D18TX1
USART serial transmit 1, SAM3X PA11 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic
D19RX1
USART serial receive 1, SAM3X PA10 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic
D20SDA
I2C serial data, SAM3X PB12 on official pinout
Type · GPIO, I2CVoltage · 3.3 V logic
D21SCL
I2C serial clock, SAM3X PB13 on official pinout
Type · GPIO, I2CVoltage · 3.3 V logic
D22
Digital GPIO 22
Type · GPIOVoltage · 3.3 V logic
D23
Digital GPIO 23
Type · GPIOVoltage · 3.3 V logic
D24
Digital GPIO 24
Type · GPIOVoltage · 3.3 V logic
D25
Digital GPIO 25
Type · GPIOVoltage · 3.3 V logic
D26
Digital GPIO 26
Type · GPIOVoltage · 3.3 V logic
D27
Digital GPIO 27
Type · GPIOVoltage · 3.3 V logic
D28
Digital GPIO 28
Type · GPIOVoltage · 3.3 V logic
D29
Digital GPIO 29
Type · GPIOVoltage · 3.3 V logic
D30
Digital GPIO 30
Type · GPIOVoltage · 3.3 V logic
D31
Digital GPIO 31
Type · GPIOVoltage · 3.3 V logic
D32
Digital GPIO 32
Type · GPIOVoltage · 3.3 V logic
D33
Digital GPIO 33
Type · GPIOVoltage · 3.3 V logic
D34
Digital GPIO 34
Type · GPIOVoltage · 3.3 V logic
D35
Digital GPIO 35
Type · GPIOVoltage · 3.3 V logic
D36
Digital GPIO 36
Type · GPIOVoltage · 3.3 V logic
D37
Digital GPIO 37
Type · GPIOVoltage · 3.3 V logic
D38
Digital GPIO 38
Type · GPIOVoltage · 3.3 V logic
D39
Digital GPIO 39
Type · GPIOVoltage · 3.3 V logic
D40
Digital GPIO 40
Type · GPIOVoltage · 3.3 V logic
D41
Digital GPIO 41
Type · GPIOVoltage · 3.3 V logic
D42
Digital GPIO 42
Type · GPIOVoltage · 3.3 V logic
D43
Digital GPIO 43
Type · GPIOVoltage · 3.3 V logic
D44
Digital GPIO 44
Type · GPIOVoltage · 3.3 V logic
D45
Digital GPIO 45
Type · GPIOVoltage · 3.3 V logic
D46
Digital GPIO 46
Type · GPIOVoltage · 3.3 V logic
D47
Digital GPIO 47
Type · GPIOVoltage · 3.3 V logic
D48
Digital GPIO 48
Type · GPIOVoltage · 3.3 V logic
D49
Digital GPIO 49
Type · GPIOVoltage · 3.3 V logic
D50
Digital GPIO 50
Type · GPIOVoltage · 3.3 V logic
D51
Digital GPIO 51
Type · GPIOVoltage · 3.3 V logic
D52
Digital GPIO 52
Type · GPIOVoltage · 3.3 V logic
D53
Digital GPIO 53
Type · GPIOVoltage · 3.3 V logic
VINpower-header
external power input barrel/header rail shown on Arduino Due pinout
Type · PowerVoltage · 6-20 V power input per official pinout
+5Vpower-header
5 V power output rail on power header and ICSP
Type · PowerVoltage · 5 V
+3V3power-header
3.3 V power output rail; Due I/O standard is 3.3 V
Type · PowerVoltage · 3.3 V
GNDmultiple
ground pins on power, digital, ICSP, and USB sections
Type · GroundVoltage · 0 V
IOREFpower-header
I/O reference voltage pin for shield compatibility
Type · PowerVoltage · 3.3 V on Arduino Due
RESETpower-header
reset line on power/header section
Type · Control
AREFanalog-header
analog reference pin
Type · Analog
D54A0analog-header
ADC channel 0, SAM3X PA16 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D55A1analog-header
ADC channel 1, SAM3X PA24 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D56A2analog-header
ADC channel 2, SAM3X PA23 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D57A3analog-header
ADC channel 3, SAM3X PA22 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D58A4analog-header
ADC channel 4, SAM3X PA6 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D59A5analog-header
ADC channel 5, SAM3X PA4 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D60A6analog-header
ADC channel 6, SAM3X PA3 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D61A7analog-header
ADC channel 7, SAM3X PA2 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D62A8analog-header
ADC channel 8, SAM3X PB17 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D63A9analog-header
ADC channel 9, SAM3X PB18 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D64A10analog-header
ADC channel 10, SAM3X PB19 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D65A11analog-header
ADC channel 11, SAM3X PB20 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain
D67DAC1analog-header
DAC channel 1, SAM3X PB16 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V analogue output domain
D66DAC2analog-header
DAC channel 0, SAM3X PB15 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V analogue output domain
D68CANRXCAN-header
CAN receive 0, SAM3X PA1 on official pinout
Type · GPIO, CANVoltage · 3.3 V logic
D69CANTXCAN-header
CAN transmit 0, SAM3X PA0 on official pinout
Type · GPIO, CANVoltage · 3.3 V logic
ICSP CIPOICSP
SPI CIPO/MISO on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI
Type · SPIVoltage · 3.3 V logic
ICSP COPIICSP
SPI COPI/MOSI on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI
Type · SPIVoltage · 3.3 V logic
ICSP SCKICSP
SPI clock on ICSP header
Type · SPIVoltage · 3.3 V logic
USB D+USB
USB differential data plus on native USB/USB1 section
Type · USB
USB D-USB
USB differential data minus on native USB/USB1 section
Type · USB

Pin	Position	Type	Function	Voltage
D0RX0		GPIO, UART	USART serial receive 0, SAM3X PA8 on official pinout	3.3 V logic
D1TX0		GPIO, UART	USART serial transmit 0, SAM3X PA9 on official pinout	3.3 V logic
D2PWM2		GPIO, PWM	Digital GPIO 2 / PWM	3.3 V logic
D3PWM3		GPIO, PWM	Digital GPIO 3 / PWM	3.3 V logic
D4PWM4		GPIO, PWM	Digital GPIO 4 / PWM	3.3 V logic
D5PWM5		GPIO, PWM	Digital GPIO 5 / PWM	3.3 V logic
D6PWM6		GPIO, PWM	Digital GPIO 6 / PWM	3.3 V logic
D7PWM7		GPIO, PWM	Digital GPIO 7 / PWM	3.3 V logic
D8PWM8SCL2		GPIO, PWM, I2C	Digital GPIO 8 / I2C 2 clock / PWM	3.3 V logic
D9PWM9SDA2		GPIO, PWM, I2C	Digital GPIO 9 / I2C 2 data / PWM	3.3 V logic
D10PWM10CS		GPIO, PWM, SPI	Digital GPIO 10 / SPI chip select / PWM	3.3 V logic
D11PWM11COPI		GPIO, PWM, SPI	Digital GPIO 11 / SPI controller out, peripheral in / PWM	3.3 V logic
D12PWM12CIPO		GPIO, PWM, SPI	Digital GPIO 12 / SPI controller in, peripheral out / PWM	3.3 V logic
D13PWM13SCK		GPIO, PWM, SPI	digital GPIO connected to built-in LED, SAM3X PB27 on official pinout	3.3 V logic
D14TX3		GPIO, UART	USART serial transmit 3, SAM3X PD4 on official pinout	3.3 V logic
D15RX3		GPIO, UART	USART serial receive 3, SAM3X PD5 on official pinout	3.3 V logic
D16TX2		GPIO, UART	USART serial transmit 2, SAM3X PA13 on official pinout	3.3 V logic
D17RX2		GPIO, UART	USART serial receive 2, SAM3X PA12 on official pinout	3.3 V logic
D18TX1		GPIO, UART	USART serial transmit 1, SAM3X PA11 on official pinout	3.3 V logic
D19RX1		GPIO, UART	USART serial receive 1, SAM3X PA10 on official pinout	3.3 V logic
D20SDA		GPIO, I2C	I2C serial data, SAM3X PB12 on official pinout	3.3 V logic
D21SCL		GPIO, I2C	I2C serial clock, SAM3X PB13 on official pinout	3.3 V logic
D22		GPIO	Digital GPIO 22	3.3 V logic
D23		GPIO	Digital GPIO 23	3.3 V logic
D24		GPIO	Digital GPIO 24	3.3 V logic
D25		GPIO	Digital GPIO 25	3.3 V logic
D26		GPIO	Digital GPIO 26	3.3 V logic
D27		GPIO	Digital GPIO 27	3.3 V logic
D28		GPIO	Digital GPIO 28	3.3 V logic
D29		GPIO	Digital GPIO 29	3.3 V logic
D30		GPIO	Digital GPIO 30	3.3 V logic
D31		GPIO	Digital GPIO 31	3.3 V logic
D32		GPIO	Digital GPIO 32	3.3 V logic
D33		GPIO	Digital GPIO 33	3.3 V logic
D34		GPIO	Digital GPIO 34	3.3 V logic
D35		GPIO	Digital GPIO 35	3.3 V logic
D36		GPIO	Digital GPIO 36	3.3 V logic
D37		GPIO	Digital GPIO 37	3.3 V logic
D38		GPIO	Digital GPIO 38	3.3 V logic
D39		GPIO	Digital GPIO 39	3.3 V logic
D40		GPIO	Digital GPIO 40	3.3 V logic
D41		GPIO	Digital GPIO 41	3.3 V logic
D42		GPIO	Digital GPIO 42	3.3 V logic
D43		GPIO	Digital GPIO 43	3.3 V logic
D44		GPIO	Digital GPIO 44	3.3 V logic
D45		GPIO	Digital GPIO 45	3.3 V logic
D46		GPIO	Digital GPIO 46	3.3 V logic
D47		GPIO	Digital GPIO 47	3.3 V logic
D48		GPIO	Digital GPIO 48	3.3 V logic
D49		GPIO	Digital GPIO 49	3.3 V logic
D50		GPIO	Digital GPIO 50	3.3 V logic
D51		GPIO	Digital GPIO 51	3.3 V logic
D52		GPIO	Digital GPIO 52	3.3 V logic
D53		GPIO	Digital GPIO 53	3.3 V logic
VIN	power-header	Power	external power input barrel/header rail shown on Arduino Due pinout	6-20 V power input per official pinout
+5V	power-header	Power	5 V power output rail on power header and ICSP	5 V
+3V3	power-header	Power	3.3 V power output rail; Due I/O standard is 3.3 V	3.3 V
GND	multiple	Ground	ground pins on power, digital, ICSP, and USB sections	0 V
IOREF	power-header	Power	I/O reference voltage pin for shield compatibility	3.3 V on Arduino Due
RESET	power-header	Control	reset line on power/header section
AREF	analog-header	Analog	analog reference pin
D54A0	analog-header	GPIO, Analog	ADC channel 0, SAM3X PA16 on official pinout	3.3 V max analogue input domain
D55A1	analog-header	GPIO, Analog	ADC channel 1, SAM3X PA24 on official pinout	3.3 V max analogue input domain
D56A2	analog-header	GPIO, Analog	ADC channel 2, SAM3X PA23 on official pinout	3.3 V max analogue input domain
D57A3	analog-header	GPIO, Analog	ADC channel 3, SAM3X PA22 on official pinout	3.3 V max analogue input domain
D58A4	analog-header	GPIO, Analog	ADC channel 4, SAM3X PA6 on official pinout	3.3 V max analogue input domain
D59A5	analog-header	GPIO, Analog	ADC channel 5, SAM3X PA4 on official pinout	3.3 V max analogue input domain
D60A6	analog-header	GPIO, Analog	ADC channel 6, SAM3X PA3 on official pinout	3.3 V max analogue input domain
D61A7	analog-header	GPIO, Analog	ADC channel 7, SAM3X PA2 on official pinout	3.3 V max analogue input domain
D62A8	analog-header	GPIO, Analog	ADC channel 8, SAM3X PB17 on official pinout	3.3 V max analogue input domain
D63A9	analog-header	GPIO, Analog	ADC channel 9, SAM3X PB18 on official pinout	3.3 V max analogue input domain
D64A10	analog-header	GPIO, Analog	ADC channel 10, SAM3X PB19 on official pinout	3.3 V max analogue input domain
D65A11	analog-header	GPIO, Analog	ADC channel 11, SAM3X PB20 on official pinout	3.3 V max analogue input domain
D67DAC1	analog-header	GPIO, Analog	DAC channel 1, SAM3X PB16 on official pinout	3.3 V analogue output domain
D66DAC2	analog-header	GPIO, Analog	DAC channel 0, SAM3X PB15 on official pinout	3.3 V analogue output domain
D68CANRX	CAN-header	GPIO, CAN	CAN receive 0, SAM3X PA1 on official pinout	3.3 V logic
D69CANTX	CAN-header	GPIO, CAN	CAN transmit 0, SAM3X PA0 on official pinout	3.3 V logic
ICSP CIPO	ICSP	SPI	SPI CIPO/MISO on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI	3.3 V logic
ICSP COPI	ICSP	SPI	SPI COPI/MOSI on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI	3.3 V logic
ICSP SCK	ICSP	SPI	SPI clock on ICSP header	3.3 V logic
USB D+	USB	USB	USB differential data plus on native USB/USB1 section
USB D-	USB	USB	USB differential data minus on native USB/USB1 section

Logical pinout · physical placement not verified

Logical bank 1

Logical bank 2

Logical bank 3

Pin details

82 connections

D0RX0
USART serial receive 0, SAM3X PA8 on official pinout
GPIO, UARTVoltage · 3.3 V logic
D1TX0
USART serial transmit 0, SAM3X PA9 on official pinout
GPIO, UARTVoltage · 3.3 V logic
D2PWM2
Digital GPIO 2 / PWM
GPIO, PWMVoltage · 3.3 V logic
D3PWM3
Digital GPIO 3 / PWM
GPIO, PWMVoltage · 3.3 V logic
D4PWM4
Digital GPIO 4 / PWM
GPIO, PWMVoltage · 3.3 V logic
D5PWM5
Digital GPIO 5 / PWM
GPIO, PWMVoltage · 3.3 V logic
D6PWM6
Digital GPIO 6 / PWM
GPIO, PWMVoltage · 3.3 V logic
D7PWM7
Digital GPIO 7 / PWM
GPIO, PWMVoltage · 3.3 V logic
D8PWM8SCL2
Digital GPIO 8 / I2C 2 clock / PWM
GPIO, PWM, I2CVoltage · 3.3 V logic
D9PWM9SDA2
Digital GPIO 9 / I2C 2 data / PWM
GPIO, PWM, I2CVoltage · 3.3 V logic
D10PWM10CS
Digital GPIO 10 / SPI chip select / PWM
GPIO, PWM, SPIVoltage · 3.3 V logic
D11PWM11COPI
Digital GPIO 11 / SPI controller out, peripheral in / PWM
GPIO, PWM, SPIVoltage · 3.3 V logic
D12PWM12CIPO
Digital GPIO 12 / SPI controller in, peripheral out / PWM
GPIO, PWM, SPIVoltage · 3.3 V logic
D13PWM13SCK
digital GPIO connected to built-in LED, SAM3X PB27 on official pinout
GPIO, PWM, SPIVoltage · 3.3 V logic
D14TX3
USART serial transmit 3, SAM3X PD4 on official pinout
GPIO, UARTVoltage · 3.3 V logic
D15RX3
USART serial receive 3, SAM3X PD5 on official pinout
GPIO, UARTVoltage · 3.3 V logic
D16TX2
USART serial transmit 2, SAM3X PA13 on official pinout
GPIO, UARTVoltage · 3.3 V logic
D17RX2
USART serial receive 2, SAM3X PA12 on official pinout
GPIO, UARTVoltage · 3.3 V logic
D18TX1
USART serial transmit 1, SAM3X PA11 on official pinout
GPIO, UARTVoltage · 3.3 V logic
D19RX1
USART serial receive 1, SAM3X PA10 on official pinout
GPIO, UARTVoltage · 3.3 V logic
D20SDA
I2C serial data, SAM3X PB12 on official pinout
GPIO, I2CVoltage · 3.3 V logic
D21SCL
I2C serial clock, SAM3X PB13 on official pinout
GPIO, I2CVoltage · 3.3 V logic
D22
Digital GPIO 22
GPIOVoltage · 3.3 V logic
D23
Digital GPIO 23
GPIOVoltage · 3.3 V logic
D24
Digital GPIO 24
GPIOVoltage · 3.3 V logic
D25
Digital GPIO 25
GPIOVoltage · 3.3 V logic
D26
Digital GPIO 26
GPIOVoltage · 3.3 V logic
D27
Digital GPIO 27
GPIOVoltage · 3.3 V logic
D28
Digital GPIO 28
GPIOVoltage · 3.3 V logic
D29
Digital GPIO 29
GPIOVoltage · 3.3 V logic
D30
Digital GPIO 30
GPIOVoltage · 3.3 V logic
D31
Digital GPIO 31
GPIOVoltage · 3.3 V logic
D32
Digital GPIO 32
GPIOVoltage · 3.3 V logic
D33
Digital GPIO 33
GPIOVoltage · 3.3 V logic
D34
Digital GPIO 34
GPIOVoltage · 3.3 V logic
D35
Digital GPIO 35
GPIOVoltage · 3.3 V logic
D36
Digital GPIO 36
GPIOVoltage · 3.3 V logic
D37
Digital GPIO 37
GPIOVoltage · 3.3 V logic
D38
Digital GPIO 38
GPIOVoltage · 3.3 V logic
D39
Digital GPIO 39
GPIOVoltage · 3.3 V logic
D40
Digital GPIO 40
GPIOVoltage · 3.3 V logic
D41
Digital GPIO 41
GPIOVoltage · 3.3 V logic
D42
Digital GPIO 42
GPIOVoltage · 3.3 V logic
D43
Digital GPIO 43
GPIOVoltage · 3.3 V logic
D44
Digital GPIO 44
GPIOVoltage · 3.3 V logic
D45
Digital GPIO 45
GPIOVoltage · 3.3 V logic
D46
Digital GPIO 46
GPIOVoltage · 3.3 V logic
D47
Digital GPIO 47
GPIOVoltage · 3.3 V logic
D48
Digital GPIO 48
GPIOVoltage · 3.3 V logic
D49
Digital GPIO 49
GPIOVoltage · 3.3 V logic
D50
Digital GPIO 50
GPIOVoltage · 3.3 V logic
D51
Digital GPIO 51
GPIOVoltage · 3.3 V logic
D52
Digital GPIO 52
GPIOVoltage · 3.3 V logic
D53
Digital GPIO 53
GPIOVoltage · 3.3 V logic
VIN
external power input barrel/header rail shown on Arduino Due pinout
PowerVoltage · 6-20 V power input per official pinout
power-header
+5V
5 V power output rail on power header and ICSP
PowerVoltage · 5 V
power-header
+3V3
3.3 V power output rail; Due I/O standard is 3.3 V
PowerVoltage · 3.3 V
power-header
GND
ground pins on power, digital, ICSP, and USB sections
GroundVoltage · 0 V
multiple
IOREF
I/O reference voltage pin for shield compatibility
PowerVoltage · 3.3 V on Arduino Due
power-header
RESET
reset line on power/header section
Control
power-header
AREF
analog reference pin
Analog
analog-header
D54A0
ADC channel 0, SAM3X PA16 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D55A1
ADC channel 1, SAM3X PA24 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D56A2
ADC channel 2, SAM3X PA23 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D57A3
ADC channel 3, SAM3X PA22 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D58A4
ADC channel 4, SAM3X PA6 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D59A5
ADC channel 5, SAM3X PA4 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D60A6
ADC channel 6, SAM3X PA3 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D61A7
ADC channel 7, SAM3X PA2 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D62A8
ADC channel 8, SAM3X PB17 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D63A9
ADC channel 9, SAM3X PB18 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D64A10
ADC channel 10, SAM3X PB19 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D65A11
ADC channel 11, SAM3X PB20 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain
analog-header
D67DAC1
DAC channel 1, SAM3X PB16 on official pinout
GPIO, AnalogVoltage · 3.3 V analogue output domain
analog-header
D66DAC2
DAC channel 0, SAM3X PB15 on official pinout
GPIO, AnalogVoltage · 3.3 V analogue output domain
analog-header
D68CANRX
CAN receive 0, SAM3X PA1 on official pinout
GPIO, CANVoltage · 3.3 V logic
CAN-header
D69CANTX
CAN transmit 0, SAM3X PA0 on official pinout
GPIO, CANVoltage · 3.3 V logic
CAN-header
ICSP CIPO
SPI CIPO/MISO on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI
SPIVoltage · 3.3 V logic
ICSP
ICSP COPI
SPI COPI/MOSI on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI
SPIVoltage · 3.3 V logic
ICSP
ICSP SCK
SPI clock on ICSP header
SPIVoltage · 3.3 V logic
ICSP
USB D+
USB differential data plus on native USB/USB1 section
USB
USB
USB D-
USB differential data minus on native USB/USB1 section
USB
USB

Arduino

76 other options

About 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.

View all 76

Related groups

4 groups

ESP32

Wi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.

Boards · ESP32 boards · 156 parts

Add-ons

About 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.

Boards · HATs, Shields & add-ons · 270 parts

Other MCUs

Specialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.

Boards · Other MCU boards · 229 parts

Pi Pico

The Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.

Boards · Pico & RP2040 boards · 43 parts

Pinout

Pin details

ESP32

Add-ons

Other MCUs

Pi Pico