Vairogs Sensor Shield V5

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Sensor Shield V5 (Uno, Mega 2560)

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Sensoru vairogs V5

Savietojams ar Arduino platēm Uno, Mega 2560, u.c.
Plates izmēri: 57 x 57 mm

Sensor Shield V5

Compatible with Arduino boards Uno, Mega 2560, etc.
Board size: 57 x 57 mm

Power System

One of the benefits of this shield is that it brings each of the standard Arduino I/O pins out to 3-pin headers along with a dedicated Ground and Vcc pin.

The VCC pins associated with A0-A5 as well as the misc I/O connectors are all hardwired to the Arduino 5V power. Sensors generally need as clean of power as possible, so keeping these on the Arduino 5V makes sense.

The VCC pins associated with D0-D13 are controlled by the SEL jumper.

SEL jumper installed = The Arduino 5V power is connected to these pins as well. This mode facilitates using digital sensors and other low power I/O.

SEL jumper removed = The Arduino 5V power is removed and the power for the pins must be supplied by a separate power supply connected to the 2-pos screw terminal. This is commonly used when servo motors are being driven so that they can be powered from a separate power supply since they exceed the current capability of the built-in 5V and the servo motors create too much electrical noise back into the Arduino electrical system.

2-Pos Screw Terminal
GND = Ground for separate power supply
VCC = Positive voltage from separate power supply. Typically 5-6V for servos, but can be other voltage as required by the system.

Note: With the SEL jumper installed, there must not be external power applied to the 2-pos screw terminal or damage may result since it will short the external and on-board power systems together.

Digital I/O Headers

This group of headers simply brings out the D0 thru D13 Digital I/O lines and couples them with a dedicated ground and VCC pin. The SEL jumper determines the power that is supplied to the VCC pins as noted above.

3 x 16 Header
G = Ground
V = Vcc (Source determined by SEL jumper)
0 – 13 = Digital I/O lines D0 thru D13
Also note that AREF is brought on this line of headers. AREF is the analog reference voltage for the Arduino ADC.

Analog I/O Headers

This group of headers simply brings out the A0 thru A5 Analog I/O lines and couples them with a dedicated ground and VCC pin. The analog inputs can also be used as additional digital I/O lines.

3 x 6 Header
G = Ground
V = 5V
A0-A5 = Analog inputs A0 thru A5

SD (SD Card Interface)

This header provides the three SPI data lines on D11-D13 as well as D10 for an SD Card Select line and power and ground. Originally designed to interface to SD memory cards but can be used to connect to any SPI device.

1×6 Header
VCC = 5V
GND = Ground
D11 = SPI MOSI
D10 = For use as SD card select
D12 = SPI MISO
D13 = SPI SCK
URF01 (Ultrasonic / Ping Interface)

This header provides a couple of analog lines which can also be used as digital I/O along with power and ground. Originally designed for use with some analog output ultrasonic devices, but can also be used with HC-SRF04 and similar digital devices.

1×4 Header
VCC = 5V
A0 = Analog input 0. Can also be used as digital I/O
A1 = Analog input 1. Can also be used as digital I/O
GND = Ground

Bluetooth

This header provides the RX/TX serial comm lines used to interface to Bluetooth devices. It also provides both 5V and 3.3V power since some Bluetooth operates at 3.3V levels. This connector can be used to connect to any serial device.

1×6 Header
VCC = 5V
GND = Ground
D1 = Serial Port RX line
D0 = Serial Port TX line
GND = Ground
3V3 = Arduino 3.3V power

APC220 (Wireless Interface)

This female header provides the RX/TX serial comm lines used to interface to APC220 wireless devices. It also provides 5V and ground This connector can be used to connect to any serial device.

1×6 Female Header
GND = Ground
VCC = 5V
N/C
D1 = Serial Port RX line
D0 = Serial Port TX line
N/C
IIC (I2C interface)

This header simply brings out the A4 and A5 lines which also carry I2C signals along with 5V and ground.

1×4 Header
SCL = A5 / I2C SCL
SDA = A4 / I2C SDA
‘-‘ = Ground
‘+’ = 5V

COM (Serial Communications Interface)

This header simply brings out the serial communication TX and RX lines along with 5V and ground.

1×4 Header
TX = D1 / Serial TX line
RX = D0 / Serial RX line
‘-‘ = Ground
‘+’ = 5V

LCD Serial

This shrouded header provides D2-D4 along with power and ground for connecting to a serial LCD display.

2×3 Header
VCC = 5V
GND = Ground
D2 – D4 = Digital I/O pins

LCD Parallel

This shrouded header provides D2-D13 along with power and ground for connecting to a parallel interfaced LCD display.

2×7 Header
VCC = 5V
GND = Ground
D2 – D13 = Digital I/O pins

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