# Octopus DS18B20 Digital Temperature Brick(EF04042) ## Introduction This brick uses the DS18B20 1-Wire digital temperature sensor from Maxim IC. ![](./images/c8DrDnH.jpg) ## Products Link [ELECFREAKS Octopus DS18B20 Digital Temperature Brick](https://shop.elecfreaks.com/products/elecfreaks-octopus-ds18b20-digital-temperature-brick?_pos=1&_sid=34036b630&_ss=r) ## Characteristics It can report degrees C with 9 to 12-bit precision, -55C to 125C (+/-0.5C). Each sensor has a unique 64-Bit Serial number etched into it that can allow for a huge number of sensors to be used on one data bus. ## Specifications Item | Parameter :-: | :-: SKU|EF04042 Power Dissipation|ULP Working Temperature|-20-70℃ Working Voltage|3.3-5V ## Outlook and Dimensions ![](./images/Bc8O78l.jpg) ## Quick to Start ### Materials used and connection diagram Take sensor:bit for example ![](./images/Sc5JwUT.png) ### Add Package Click "Advanced"in the choice of the MakeCode to find more choices. ![](./images/smtcNoB.png) Click "Extensions", search "iot"in the dialog box and then download it. ![](./images/qChMeYd.png) ### Program as the picture shows ![](./images/kO6z0oE.png) ### Reference Links: [https://makecode.microbit.org/_FEiCtaV235Xw](https://makecode.microbit.org/_FEiCtaV235Xw) You can also download the links below:
### Result The current temperature is showing on the micro:bit. ## Relevant Cases ## Technique Files