This isn’t about connecting a temperature sensor in your Arduino. This build is about using the temperature sensor in your clock. The ATMega328p, the chip at the heart of all your Arduino Uno ...

Plot of the temperature measurement using the improvised CH32V003 -based temperature sensor. (Credit ... indirect access to the LSI. Internal diagram of the CH32V003 MCU. (Credit: WCH) After ...

Thermistors are another example of such sensors whose resistance changes when the operating temperature changes ... can see from that sketch and the circuit diagram, the LED is connected to the ...

Using motion ... passes in front of a PIR sensor it detects the change in background temperature and then triggers an output voltage. This voltage can be read by an Arduino digital input and ...