Resources

These specs are the result of the V1.0 design process and its prototypes and can be changed in future releases or even verified to differ as testing and debugging is being developed.

GLOBAL

• Arduino Leonardo (Rev 3b) compatible.
• IDE Connector: USB “Standard” Type B. (not original Arduino Leonardo “Micro” type).
• Resettable fuse 0.5 A max VBUS, and transient USB voltage protected.
• Original Arduino LEDs: “ON” (green), “L” Arduino activity (yellow), “RX” and “TX” (yellow).
• Standard Arduino shield socket for function extension modules.
  RJ11 socket for I2C bus system expansion (check schematics for pin identification).
• Take out jumpers D3SCL+ and D4SDA when using IC2 RJ11 extension connection.
• Configurable 10 kΩ pull-ups for I2C bus lines (placing jumpers enables pull-ups).
• Reset button as Arduino standard.
• ICSP standard connector for Arduino’s microcontroller firmware and bootloader updates and repair.

POWER-IO SECTION

• Internal output MOSFET on resistance: 70 mΩ Typ. (180mΩ max @Tj=150ºC)
• Default channel state before any programming:
  Input – LOW (dimmed green LED)
• P13 is only suitable as OUTPUT (the use of P13 as INPUT can damage the system).
• With alternative uses of each channel, like PWM outputs, the Pnn will also be active and show its activity on the channel LED even if it is useless.
• Channel jumper: By unplugging each, its Power-IO interface is disconnected so it will not interfere with shield applications. Check technical documentation regarding each shield for advice on which jumpers to take out. When a channel jumper is taken out, the power interface goes to input low mode, and the green led lights dimmed.

ANALOG-IN SECTION

• IA0 to IA5 can be used as 10V or even 5V digital inputs.
• IA0 to IA5 can be used as 5V digital outputs, as soon as the input impedance connected is high (>50kΩ).

ANALOG-OUT SECTION

• Output current per channel: Iomax(cont)= 25 mA (Pomax = 0.3 W, Iomax(pulsed25%)= 100 mA)
• Low impedance output driver.
  W3 to W13 can be used as 10V digital outputs (corresponding P3 to P13 will simultan. be active as outputs).

This automatic irrigation system uses a soil moisture sensor to control a water pump. When the soil moisture level drops below a set threshold, the system activates the pump to water the plants.

Required Components:

• Ardupower
• Soil moisture sensor
• Relay
• Water pump
• Power supply
• Wires and connectors

const int soilMoisturePin = A0; // Soil moisture sensor pin

const int relayPin = 7; // Relay pin

int threshold = 300; // Moisture threshold

void setup()

{ pinMode(soilMoisturePin, INPUT);

pinMode(relayPin, OUTPUT);

Serial.begin(9600);

} void loop() {

int soilMoistureValue = analogRead(soilMoisturePin);

Serial.println(soilMoistureValue);

if (soilMoistureValue < threshold) {

digitalWrite(relayPin, HIGH); // Activate the pump

} else {

digitalWrite(relayPin, LOW); // Deactivate the pump

}

delay(1000);

}

This system adjusts the orientation of a solar panel on a caravan to optimize sunlight capture using two servomotors.

Required Components:

• Ardupower
• Two servomotors
• Light sensor (LDR)
• Resistor (10k ohm)
• Wires and connectors

#include <Servo.h>

const int ldrPin1 = A0; // LDR sensor 1 pin
const int ldrPin2 = A1; // LDR sensor 2 pin
Servo servoX;
Servo servoY;

void setup() {
servoX.attach(9);
servoY.attach(10);
pinMode(ldrPin1, INPUT);
pinMode(ldrPin2, INPUT);
Serial.begin(9600);
}

void loop() {
int ldrValue1 = analogRead(ldrPin1);
int ldrValue2 = analogRead(ldrPin2);
Serial.print(“LDR1: “); Serial.print(ldrValue1);
Serial.print(” LDR2: “); Serial.println(ldrValue2);

if (ldrValue1 > ldrValue2) {
servoX.write(servoX.read() + 1); // Adjust servo X
} else if (ldrValue1 < ldrValue2) {
servoX.write(servoX.read() – 1); // Adjust servo X
}

delay(500);
}

This system automatically controls garden lights based on ambient light levels using an LDR sensor.

Required Components:

• Ardupower
• LDR sensor
• Relay
• Garden lights
• Resistor (10k ohm)
• Power supply
• Wires and connectors

const int ldrPin = A0; // LDR sensor pin
const int relayPin = 7; // Relay pin
int threshold = 500; // Light threshold

void setup() {
pinMode(ldrPin, INPUT);
pinMode(relayPin, OUTPUT);
Serial.begin(9600);
}

void loop() {
int ldrValue = analogRead(ldrPin);
Serial.println(ldrValue);

if (ldrValue < threshold) {
digitalWrite(relayPin, HIGH); // Turn on the lights
} else {
digitalWrite(relayPin, LOW); // Turn off the lights
}
delay(1000);
}