2560 R3 Development Board + ProtoShield V3 Expansion Board w/ Breadboard for Arduino - Blue + Black Chargers open-collector and PNP output interface

open-collector and PNP output interface circuit diagram is as follows:

5 x White LEDs

1 x Table Pen

high cost performance

Fingerprint authentication sensor Waterproof Level IPX0 (Not Protected) Shock-proof No I/O Interface 3

2560 R3 Development Board + ProtoShield V3 Expansion Board w/ Breadboard for Arduino - Blue + Black Chargers open-collector and PNP output interfaceBrand N A Model 2560 R3 Quantity 1 Color Black + blue Material Immersion gold board Features Arduino Mega is a micro control development board based on ATmega2560, with 54 units I O port (14 of them can be as PWM output), 16 units analog ratio input port and 4 units UART (hardware serial ports) and 16MHz crystal oscillator; Can download program through USB directly w bootloader; Power can be supplied by USB, AC to DC adapter or battery; Can use