Seeeduino Mega v1.1

ATmega1280-based board in a smaller footprint than standard Arduino Mega, with 70 digital I/O (14 PWM), 16 analog inputs, 4 hardware UARTs, and 16 MHz oscillator. Discontinued; replaced by the current Seeeduino Mega.

Logical pinout · physical placement not verified

Pins 1–40

Pins 41–44

D0
Type · GPIO
D1
Type · GPIO
D2
Type · GPIO
D3
Type · GPIO
D4
Type · GPIO
D5
Type · GPIO
D6
Type · GPIO
D7
Type · GPIO
D8
Type · GPIO
D9
Type · GPIO
D10
Type · GPIO
D11
Type · GPIO
D12
Type · GPIO
D13
Type · GPIO
D14
Type · GPIO
D15
Type · GPIO
D16
Type · GPIO
D17
Type · GPIO
D18
Type · GPIO
D19
Type · GPIO
D20
Type · GPIO
D21
Type · GPIO
A0
Type · Analog
A1
Type · Analog
A2
Type · Analog
A3
Type · Analog
A4
Type · Analog
A5
Type · Analog
A6
Type · Analog
A7
Type · Analog
A8
Type · Analog
A9
Type · Analog
A10
Type · Analog
A11
Type · Analog
A12
Type · Analog
A13
Type · Analog
A14
Type · Analog
A15
Type · Analog
VIN
Type · Power
5V
Type · Power
3.3V
Type · Power
GND
Type · Ground
RESET
Type · Control
IOREF
Type · Power

Pin	Type
D0	GPIO
D1	GPIO
D2	GPIO
D3	GPIO
D4	GPIO
D5	GPIO
D6	GPIO
D7	GPIO
D8	GPIO
D9	GPIO
D10	GPIO
D11	GPIO
D12	GPIO
D13	GPIO
D14	GPIO
D15	GPIO
D16	GPIO
D17	GPIO
D18	GPIO
D19	GPIO
D20	GPIO
D21	GPIO
A0	Analog
A1	Analog
A2	Analog
A3	Analog
A4	Analog
A5	Analog
A6	Analog
A7	Analog
A8	Analog
A9	Analog
A10	Analog
A11	Analog
A12	Analog
A13	Analog
A14	Analog
A15	Analog
VIN	Power
5V	Power
3.3V	Power
GND	Ground
RESET	Control
IOREF	Power

Logical pinout · physical placement not verified

Logical bank 1

Logical bank 2

Pin details

44 connections

D0
GPIO
D1
GPIO
D2
GPIO
D3
GPIO
D4
GPIO
D5
GPIO
D6
GPIO
D7
GPIO
D8
GPIO
D9
GPIO
D10
GPIO
D11
GPIO
D12
GPIO
D13
GPIO
D14
GPIO
D15
GPIO
D16
GPIO
D17
GPIO
D18
GPIO
D19
GPIO
D20
GPIO
D21
GPIO
A0
Analog
A1
Analog
A2
Analog
A3
Analog
A4
Analog
A5
Analog
A6
Analog
A7
Analog
A8
Analog
A9
Analog
A10
Analog
A11
Analog
A12
Analog
A13
Analog
A14
Analog
A15
Analog
VIN
Power
5V
Power
3.3V
Power
GND
Ground
RESET
Control
IOREF
Power

Start wiring

USB · 5 V · 3.3 V

Verify supply voltage and logic levels before powering up.

Module pins: VIN, 5V, 3.3V, IOREF, GND, D0, D1, D2. Schematik maps them to your board in the app.

Arduino

76 other options

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