DS18B20 Digital Temperature

The DS18B20 is a digital temperature sensor which returns results directly in Centigrade and has a resolution to 0.0625C. The DS18B20 connects to a single PICAXE I/O line for use.

Because the reading from the sensor is digital and directly in Centigrade it is often easier to use, and without calibration, than a thermistor.

Related Commands:

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Schematic

PCB

Read a temperature

This program will read a DS18B20 temperature sensor connected to input pin C.0 and report the temperature reading in the 'b1' variable.

Code Example:
main:	readtemp C.0, b1	; Read the DS18B20 temperature
	debug			; Display the reading
	pause 1000		; Wait a while
	goto main		; Repeat
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Create Module

The DS18B20 create module provides an digital temperature reading for the PICAXE on the motherboard.

Bill of Materials

DescriptionCodeQty
DS18B20 temperature sensor ICO011 1 Buy Now
4k7 resistor (pack 100) RES4K7 1 Buy Now

Simulation

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