Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO, an Advancer Muscle Sensor V3, two IRFZ44N MOSFETs, a Heater Element, a Resistor, a 1-Channel Relay, and a Diode. The circuit is designed to interface with a muscle sensor and control a heater element through a relay and MOSFETs, with the Arduino UNO serving as the central microcontroller.

Component List

Arduino UNO

• Description: A microcontroller board based on the ATmega328P.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

Advancer Muscle Sensor V3

• Description: A sensor used to measure muscle activity.
• Pins: +Vs, GND, -Vs, SIG

IRFZ44N (x2)

• Description: A N-channel MOSFET used for switching applications.
• Pins: Gate, Drain, Source

Heater Element

• Description: A resistive heating element.
• Pins: VCC, GND

Resistor

• Description: A passive electrical component with a resistance of 200 Ohms.
• Pins: pin1, pin2

1-Channel Relay (5V 10A)

• Description: A relay module used to control high-power devices.
• Pins: NC, signal, C, power, NO, ground

Diode

• Description: A semiconductor device that allows current to flow in one direction.
• Pins: cathode, anode

Wiring Details

Arduino UNO

• D9: Connected to the Drain of IRFZ44N, GND of Heater Element, cathode of Diode, pin2 of Resistor, and ground of 1-Channel Relay.
• 5V: Connected to VCC of Heater Element, +Vs of Advancer Muscle Sensor V3, and power of 1-Channel Relay.
• GND: Connected to the Source of IRFZ44N.
• A0: Connected to SIG of Advancer Muscle Sensor V3.
• A1: Connected to signal of 1-Channel Relay.

Advancer Muscle Sensor V3

• +Vs: Connected to 5V of Arduino UNO.
• GND: Not connected.
• -Vs: Not connected.
• SIG: Connected to A0 of Arduino UNO.

IRFZ44N (First Instance)

• Gate: Connected to pin1 of Resistor.
• Drain: Connected to D9 of Arduino UNO, GND of Heater Element, cathode of Diode, pin2 of Resistor, and ground of 1-Channel Relay.
• Source: Connected to GND of Arduino UNO.

IRFZ44N (Second Instance)

• Gate: Not connected.
• Drain: Not connected.
• Source: Not connected.

Heater Element

• VCC: Connected to 5V of Arduino UNO.
• GND: Connected to D9 of Arduino UNO, Drain of IRFZ44N, cathode of Diode, pin2 of Resistor, and ground of 1-Channel Relay.

Resistor

• pin1: Connected to Gate of IRFZ44N.
• pin2: Connected to D9 of Arduino UNO, Drain of IRFZ44N, GND of Heater Element, cathode of Diode, and ground of 1-Channel Relay.

1-Channel Relay (5V 10A)

• NC: Not connected.
• signal: Connected to A1 of Arduino UNO.
• C: Not connected.
• power: Connected to 5V of Arduino UNO.
• NO: Not connected.
• ground: Connected to D9 of Arduino UNO, Drain of IRFZ44N, GND of Heater Element, cathode of Diode, and pin2 of Resistor.

Diode

• cathode: Connected to D9 of Arduino UNO, Drain of IRFZ44N, GND of Heater Element, pin2 of Resistor, and ground of 1-Channel Relay.
• anode: Not connected.

Documented Code

Arduino UNO Code (sketch.ino)

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

}

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

}

Additional Documentation (documentation.txt)