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Room Thermostat PIC16F628A

Room thermostat using DS18B20 sensor and OLED display.

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  • Description
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  • Components 7
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pic16F628 oled ds18b20

This project was created on 05/23/2022 and last updated 3 years ago.

Description

OLED display, 128x64, 0.96", SSD1306, I2C with PIC16F628A. Oled is driven by software (bit banging) I2C. Setting the room temperature by 2 buttons.
Output transistor is to drive a relay or directly 24VDC input to a central heating boiler. Hysteresis is 0.5 degree. Update of the temperature is every second.
Temperature range is -55 to 100 centigrade.

Details

Files

oled room thermostat rev2.zip

x-zip-compressed - 18.20 kB - 05/23/2022 at 13:58

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Components

  • 1 × PIC16F628A Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
  • 1 × OLED display, 128x64, 0.96", SSD1306, I2C
  • 1 × DS18B20 sensor
  • 2 × pushbutton
  • 2 × resistor 470 ohm

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Andrew wrote 12/06/2023 at 14:53 • point

The PIC16F628 is a much better chip to use alongside the DS18B20 temperature chip. Use this instead: https://digitbox.etsy.com/uk/listing/1587323075/ds18b20-temperature-sensor-interfacing

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