18B20 Temperature Sensor(EF05041)
Contents
37. 18B20 Temperature Sensor(EF05041)#
37.1. Introduction#
It is a digital tempeterature sensor based on 1Maxim IC DS18B20 1-Wire.
37.2. Products Link#
37.3. Characteristic#
Designed in RJ11 connections, easy to plug.
37.4. Specification#
| Item | Parameter |
|---|---|
| SKU | EF05041 |
| Connection | RJ11 |
| Type of Connection | Digital output |
| Working Voltage | 3.3V |
37.5. Outlook#
37.6. Quick to Start#
37.6.1. 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.
37.7. MakeCode Programming#
37.7.1. 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.
37.7.2. Step 2#
37.7.3. Code as below:#
37.7.4. Link#
Link: https://makecode.microbit.org/_WdtFC03dq59y
You may also download it directly below:
37.7.5. Result#
The value detected by 18B20 temperature sensor displays on the OLED screen.