18B20 Temperature Sensor(EF05041)
Introduction
It is a digital tempeterature sensor based on 1Maxim IC DS18B20 1-Wire.
Products Link
ELECFREAKS PlanetX 18B20 Temperature Sensor
Characteristic
Designed in RJ11 connections, easy to plug.
Specification
| Item | Parameter |
|---|---|
| SKU | EF05041 |
| Connection | RJ11 |
| Type of Connection | Digital output |
| Working Voltage | 3.3V |
Outlook
Quick to Start
Materials Required and Diagram
Connect the 18B20 Temperature sensor to J1 port and the OLED to the IIC port in the Nezha expansion board as the picture shows.
MakeCode Programming
Step 1
Click "Advanced" in the MakeCode drawer to see more choices.
We need to add a package for programming, . Click "Extensions" in the bottom of the drawer and search with "PlanetX" in the dialogue box to download it.
Note: If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu.
Step 2
Code as below:
Link
Link: https://makecode.microbit.org/_WdtFC03dq59y
You may also download it directly below:
Result
The value detected by 18B20 temperature sensor displays on the OLED screen.