Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various sensors, motors, and a microcontroller. The circuit is designed to interface with a Raspberry Pi Pico, which controls the components based on input from sensors and other devices. The circuit includes an IR receiver, light sensors, a motor driver, and a 433MHz RF receiver, among other components.

Component List

TSOP312 IR Receiver

• Pins: GND, Vs, Data
• Description: An IR receiver module used to receive infrared signals.

ProtoSnap - Pro Mini - Light Sensor

• Pins: VCC, A0, GND
• Description: A light sensor module used to detect ambient light levels.

Resistor (4700 Ohms)

• Pins: pin1, pin2
• Description: A resistor with a resistance of 4700 Ohms.

DC Mini Metal Gear Motor

• Pins: IN1, IN2
• Description: A small DC motor with metal gears.

GND

• Pins: GND
• Description: Ground connection.

RF YK04 433MHz Receiver

• Pins: Vt, D3, D2, D1, D0, 5V, GND
• Description: A 433MHz RF receiver module.

Motor Driver 1A Dual TB6612FNG

• Pins: GND, B01, B02, A02, A01, VCC, VM, PWMA, AIN2, AIN1, STBY, BIN1, BIN2, PWMB
• Description: A dual motor driver module capable of driving two motors.

Raspberry Pi Pico

• Pins: pin 1 to pin 43
• Description: A microcontroller board based on the RP2040 microcontroller chip.

Voltage Regulator

• Pins: ADJ, OUT, IN
• Description: A voltage regulator used to provide a stable output voltage.

3.7v LiPo

• Pins: +Ve, GND
• Description: A 3.7V Lithium Polymer battery.

Wiring Details

TSOP312 IR Receiver

• GND connected to GND of the Voltage Regulator.
• Vs connected to OUT of the Voltage Regulator.
• Data connected to pin 24 of the Raspberry Pi Pico.

ProtoSnap - Pro Mini - Light Sensor

• VCC connected to pin 36 of the Raspberry Pi Pico.
• A0 connected to pin 21 of the Raspberry Pi Pico.
• GND connected to GND of the Raspberry Pi Pico.

Resistor (4700 Ohms)

• pin2 connected to pin 4 of the Raspberry Pi Pico.
• pin2 connected to pin 5 of the Raspberry Pi Pico.
• pin2 connected to pin 6 of the Raspberry Pi Pico.
• pin2 connected to pin 7 of the Raspberry Pi Pico.
• pin2 connected to D3 of the RF YK04 433MHz Receiver.
• pin2 connected to D2 of the RF YK04 433MHz Receiver.
• pin2 connected to D1 of the RF YK04 433MHz Receiver.
• pin2 connected to D0 of the RF YK04 433MHz Receiver.
• pin1 connected to GND of the RF YK04 433MHz Receiver.

DC Mini Metal Gear Motor

• IN1 connected to B01 of the Motor Driver 1A Dual TB6612FNG.
• IN2 connected to B02 of the Motor Driver 1A Dual TB6612FNG.
• IN1 connected to A01 of the Motor Driver 1A Dual TB6612FNG.
• IN2 connected to A02 of the Motor Driver 1A Dual TB6612FNG.

GND

• GND connected to GND of the Voltage Regulator.
• GND connected to GND of the RF YK04 433MHz Receiver.
• GND connected to GND of the Raspberry Pi Pico.

RF YK04 433MHz Receiver

• 5V connected to OUT of the Voltage Regulator.
• GND connected to GND of the Voltage Regulator.
• D3 connected to pin2 of a Resistor.
• D2 connected to pin2 of a Resistor.
• D1 connected to pin2 of a Resistor.
• D0 connected to pin2 of a Resistor.

Motor Driver 1A Dual TB6612FNG

• AIN1 connected to pin 16 of the Raspberry Pi Pico.
• AIN2 connected to pin 17 of the Raspberry Pi Pico.
• BIN1 connected to pin 19 of the Raspberry Pi Pico.
• BIN2 connected to pin 20 of the Raspberry Pi Pico.
• VCC connected to OUT of the Voltage Regulator.
• GND connected to GND of the Voltage Regulator.

Raspberry Pi Pico

• pin 4 connected to pin2 of a Resistor.
• pin 5 connected to pin2 of a Resistor.
• pin 6 connected to pin2 of a Resistor.
• pin 7 connected to pin2 of a Resistor.
• pin 16 connected to AIN1 of the Motor Driver 1A Dual TB6612FNG.
• pin 17 connected to AIN2 of the Motor Driver 1A Dual TB6612FNG.
• pin 19 connected to BIN1 of the Motor Driver 1A Dual TB6612FNG.
• pin 20 connected to BIN2 of the Motor Driver 1A Dual TB6612FNG.
• pin 21 connected to A0 of the ProtoSnap - Pro Mini - Light Sensor.
• pin 22 connected to A0 of another ProtoSnap - Pro Mini - Light Sensor.
• pin 24 connected to Data of the TSOP312 IR Receiver.
• pin 36 connected to VCC of the ProtoSnap - Pro Mini - Light Sensor.
• pin 39 connected to OUT of the Voltage Regulator.

Voltage Regulator

• IN connected to +Ve of the 3.7v LiPo.
• OUT connected to VCC of the Motor Driver 1A Dual TB6612FNG.
• OUT connected to Vs of the TSOP312 IR Receiver.
• OUT connected to 5V of the RF YK04 433MHz Receiver.
• OUT connected to pin 39 of the Raspberry Pi Pico.
• ADJ connected to GND of the 3.7v LiPo.

3.7v LiPo

• +Ve connected to IN of the Voltage Regulator.
• GND connected to GND of the Voltage Regulator.

Documented Code

Raspberry Pi Pico Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Documentation (documentation.txt)

This document provides a comprehensive overview of the circuit, including a detailed list of components, their wiring connections, and the code used for the Raspberry Pi Pico.