Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as a peristaltic pump, stepper driver, battery, Arduino UNO, sensors, and other modules. The circuit is designed to control and monitor various parameters using an Arduino UNO microcontroller. The document includes a component list, wiring details, and documented code.

Component List

KPCS200 Peristaltic Pump

• Description: A peristaltic pump used for precise fluid control.
• Pins: B+, A+, B-, A-

TMC2226 Stepper Driver

• Description: A stepper motor driver used to control the peristaltic pump.
• Pins: VMOT, 2B, GND, 2A, 1A, 1B, VDD, STEP, DIR, NC, MS2, MS1, EN, TX, RX, DIAG, VREF, INDEX

12v Battery

• Description: A 12V battery used as the primary power source.
• Pins: +, -

Arduino UNO

• Description: A microcontroller used to control and monitor the circuit.
• 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

Step Up Boost Power Converter, Adjustable Voltage Regulator

• Description: A voltage regulator used to step up the voltage.
• Pins: VOUT+, VOUT-, VIN+, VIN-

Pressure Gauge

• Description: A sensor used to measure pressure.
• Pins: signal, gnd, vcc

TEMP Sensor

• Description: A temperature sensor used to measure temperature.
• Pins: 5V, D3, GND

Bubble Sensor

• Description: A sensor used to detect bubbles in the fluid.
• Pins: signal out, vcc, gnd

Servo

• Description: A servo motor used for precise control.
• Pins: GND, VCC, PWM

Water Heater

• Description: A heater used to heat water.
• Pins: V+, V-

Relay Module 5v-30v

• Description: A relay module used to control high voltage devices.
• Pins: common contact, normally open, normally closed, trigger, V-, V+

Degassing Pump

• Description: A pump used to remove gas from the fluid.
• Pins: vcc, gnd

Conductivity Sensor

• Description: A sensor used to measure the conductivity of the fluid.
• Pins: gnd, vcc, signal

L9110

• Description: A motor driver used to control the degassing pump.
• Pins: MOTOR B-A, MOTOR B-B, MOTOR A-A, MOTOR A-B, B-IA, B-IB, GND, VCC, A-IA, A-IB

Wiring Details

KPCS200 Peristaltic Pump

• B+ connected to 1B of TMC2226 Stepper Driver
• A+ connected to 2B of TMC2226 Stepper Driver
• B- connected to 1A of TMC2226 Stepper Driver
• A- connected to 2A of TMC2226 Stepper Driver

TMC2226 Stepper Driver

• VMOT connected to + of 12v Battery
• GND connected to - of 12v Battery
• EN connected to GND of TMC2226 Stepper Driver
• STEP connected to D1 of Arduino UNO
• DIR connected to D3 of Arduino UNO

12v Battery

• + connected to normally open of Relay module 5v-30v, VIN+ of Step Up Boost Power Converter, Adjustable Voltage Regulator, VCC of L9110, VMOT of TMC2226 Stepper Driver
• - connected to V- of Water Heater, VIN- of Step Up Boost Power Converter, Adjustable Voltage Regulator, GND of L9110, GND of TMC2226 Stepper Driver

Arduino UNO

• D1 connected to STEP of TMC2226 Stepper Driver
• D3 connected to DIR of TMC2226 Stepper Driver
• 5V connected to 5V of TEMP, vcc of conductivity sensor, V+ of Relay module 5v-30v, vcc of bubble sensor, VOUT+ of Step Up Boost Power Converter, Adjustable Voltage Regulator, vcc of pressure gage, vcc of pressure gage, VCC of Servo, 5V of TEMP
• GND connected to GND of TEMP, gnd of conductivity sensor, V- of Relay module 5v-30v, gnd of bubble sensor, VOUT- of Step Up Boost Power Converter, Adjustable Voltage Regulator, gnd of pressure gage, gnd of pressure gage, GND of Servo, GND of TEMP
• A0 connected to signal of pressure gage
• A1 connected to signal of pressure gage
• A2 connected to trigger of Relay module 5v-30v
• A4 connected to signal of conductivity sensor
• D10 connected to A-IB of L9110
• D9 connected to A-IA of L9110
• D8 connected to D3 of TEMP
• D7 connected to PWM of Servo
• D6 connected to signal out of bubble sensor
• D5 connected to D3 of TEMP
• D4 connected to D3 of TEMP

Step Up Boost Power Converter, Adjustable Voltage Regulator

• VIN+ connected to + of 12v Battery
• VIN- connected to - of 12v Battery
• VOUT+ connected to 5V of Arduino UNO
• VOUT- connected to GND of Arduino UNO

Pressure Gauge

• signal connected to A0 of Arduino UNO
• gnd connected to GND of Arduino UNO
• vcc connected to 5V of Arduino UNO

TEMP Sensor

• 5V connected to 5V of Arduino UNO
• D3 connected to D4 of Arduino UNO
• GND connected to GND of Arduino UNO

Bubble Sensor

• signal out connected to D6 of Arduino UNO
• vcc connected to 5V of Arduino UNO
• gnd connected to GND of Arduino UNO

Servo

• GND connected to GND of Arduino UNO
• VCC connected to 5V of Arduino UNO
• PWM connected to D7 of Arduino UNO

Water Heater

• V+ connected to common contact of Relay module 5v-30v
• V- connected to - of 12v Battery

Relay Module 5v-30v

• common contact connected to V+ of Water Heater
• normally open connected to + of 12v Battery
• trigger connected to A2 of Arduino UNO
• V- connected to GND of Arduino UNO
• V+ connected to 5V of Arduino UNO

Degassing Pump

• vcc connected to MOTOR A-A of L9110
• gnd connected to MOTOR A-B of L9110

Conductivity Sensor

• gnd connected to GND of Arduino UNO
• vcc connected to 5V of Arduino UNO
• signal connected to A4 of Arduino UNO

L9110

• MOTOR B-A not connected
• MOTOR B-B not connected
• MOTOR A-A connected to vcc of degassing pump
• MOTOR A-B connected to gnd of **degassing pump