Cheap Heat Pump Controller - CHPC

The CHPC is a minimal cost heat pump (HP) controller.

May 17, 2019

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14 respects

Components and supplies

4

Capacitor 22 µF

6

DS18B20 Programmable Resolution 1-Wire Digital Thermometer

2

ULN2003APG

1

usb→uart

1

Buzzer

1

Through Hole Resistor, 10 ohm

1

Resistor 100 ohm

4

PC817C

3

momentary switch 6x6x2

4

Ceramic Disc Capacitor, 100 pF

2

SMIH-12VDC-SL-C

3

SRD-12VDC-SL-C

1

2.54_legs_female_2P

2

2.54_legs_female_12P

1

2n2222

1

7805 case TO-220

7

KF128 3.81_screw_2P

2

2.54_legs_female_4P

1

2.54_male_pins_40

5

LED-2*5*7

1

1602 LCD with i2c interface

3

KF128 5.08_screw_2P

2

Resistor 10k ohm

1

Through Hole Resistor, 22 ohm

20

Resistor 1k ohm

1

TTL_485_MODULE_8PIN

1

current sensor sct-013-000

1

KF128 2.54_screw_3P

1

Arduino Pro Mini 328 - 5V/16MHz

2

KF128 2.54_screw_12P

2

DIP-16 bed

1

2.54_legs_female_3P

Project description

Code

Firmware

Firmware here

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Latest commit to the master branch on Invalid date

Github

https://github.com/gonzho000/chpc

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Latest commit to the master branch on Invalid date

Firmware

Firmware here

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Latest commit to the master branch on Invalid date

Downloadable files

Scematics

Scematics

Scematics

Scematics

Documentation

PCB Gerber file

PCB gerber, but look actual version at github

PCB Gerber file

PCB Gerber file

PCB gerber, but look actual version at github

PCB Gerber file

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gonzho

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Table of contents

Intro

14

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