Circuit Documentation

Summary

This circuit is designed to control a 5V mini water pump using a 5V relay and an ultrasonic sensor, all managed by a Vietduino Uno USB-B microcontroller. The circuit is powered by a 9V battery. The ultrasonic sensor detects the distance to an object and triggers the relay to control the water pump based on the distance measured.

Component List

1. 5V Relay

   • Pins: Normally Open, Common terminal, Normally Closed, In, GND, VCC
   • Description: A relay used to control the water pump.
   • Purpose: To switch the water pump on and off based on the signal from the microcontroller.

2. 9V Battery

   • Pins: -, +
   • Description: A 9V battery used to power the water pump.
   • Purpose: To provide power to the water pump.

3. 5V Mini Water Pump

   • Pins: positive pin, negative pin
   • Description: A small water pump that operates at 5V.
   • Purpose: To pump water when activated by the relay.

4. Ultrasonic Sensor

   • Pins: +VCC, Trigger, Echo, GND
   • Description: A sensor used to measure the distance to an object.
   • Purpose: To detect the presence of an object and send a signal to the microcontroller.

5. Vietduino Uno USB-B

   • Pins: AREF, GND, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 3V3, 5V, RESET, VIN, A0, A1, A2, A3, A4, A5
   • Description: A microcontroller board based on the Arduino Uno.
   • Purpose: To control the relay and process signals from the ultrasonic sensor.

Wiring Details

5V Relay

• Normally Open: Connected to the negative pin of the 5V mini water pump.
• Common terminal: Connected to the positive terminal of the 9V battery.
• In: Connected to pin 8 of the Vietduino Uno USB-B.
• GND: Connected to GND of the Vietduino Uno USB-B.
• VCC: Connected to 5V of the Vietduino Uno USB-B.

9V Battery

• +: Connected to the Common terminal of the 5V relay.
• -: Connected to the positive pin of the 5V mini water pump.

5V Mini Water Pump

• positive pin: Connected to the negative terminal of the 9V battery.
• negative pin: Connected to the Normally Open pin of the 5V relay.

Ultrasonic Sensor

• +VCC: Connected to 5V of the Vietduino Uno USB-B.
• Trigger: Connected to pin 3 of the Vietduino Uno USB-B.
• Echo: Connected to pin 4 of the Vietduino Uno USB-B.
• GND: Connected to GND of the Vietduino Uno USB-B.

Vietduino Uno USB-B

• Pin 8: Connected to the In pin of the 5V relay.
• Pin 3: Connected to the Trigger pin of the Ultrasonic Sensor.
• Pin 4: Connected to the Echo pin of the Ultrasonic Sensor.
• GND: Connected to the GND pin of the 5V relay and the GND pin of the Ultrasonic Sensor.
• 5V: Connected to the VCC pin of the 5V relay and the +VCC pin of the Ultrasonic Sensor.

Code

No code provided for this circuit.