Temperature Sensing Tutorial With ESP32-C3-DevKITM-1 Utilizing ESP-IDF


Espressif’s ESP32-C3-DevKitM-1 is extraordinarily well-liked on account of its many onboard options. The event board comes with an onboard Temperature Sensor, an Onboard RGB LED, ESP32-C3FN4 4 MB embedded flash reminiscence, 384 KB ROM, 400 KB of SRAM, common connectivity with Wi-Fi and Bluetooth and plenty of extra.

The ESP32-C3-DevKITM-1 options an onboard Temperature sensor. A temperature sensor principally generates a voltage that varies with temperature. Therefore, the voltage is internally transformed by way of an ADC right into a digital worth which is then scaled to straightforward items and displayed. This onboard temperature sensor has a variety of –40 °C to 125 °C. Additionally, it’s primarily for sensing the temperature change contained in the chip.

On this article, we concentrate on programming of ESP32-C3 with ESP-IDF. You may undergo the getting began article of ESP32-C3-DevKITM-1 in case you are new to ESP-IDF atmosphere. We use the in-built instance supplied with the ESP-IDF atmosphere to program the sensor.

ESP-IDF or Espressif IOT Improvement Framework is the native software program improvement framework for the ESP-32. It primarily incorporates all API (software program libraries and supply code) for ESP32 and required scripts to function the Toolchain. ESP-IDF follows a Command Line Interface (CLI) strategy to writing a program. You may be taught extra about ESP-IDF on Espressif’s official web site.

Elements for Temperature Sensing on ESP32-C3-DevKITM-1:

  • ESP32-C3-DevKitM-1
  • USB 2.0 cable (Normal-A to Micro-B)
  • Home windows PC
  • ESP-IDF Software program (grasp model)

The next is the process to construct and flash this system for the ESP32C3 onboard temperature sensor to acquire and show the present out the temperature on IDF Monitor.

First, just remember to have the newest model of the ESP-IDF with the newest API, libraries and toolchains put in in your laptop.

Step1: Launch your ESP-IDF CMD Surroundings.

Launch ESP-IDF Environment

Step2: By default, you may be within the esp-idf residence listing, change the listing through the use of the cd.. command.

Step3: Make a duplicate of the temp_sensor folder located within the examples folder of esp-idf residence listing within the present location utilizing

xcopy /e /i %IDF_PATHpercentexamplesperipheralstemp_sensor tsensor command.

Copy Temperature Sensor Folder

Step4: Swap to the newly created folder utilizing cd tsensor command.

Step5: Construct this system appropriate with the board you’ve utilizing idf.py set-target and idf.py menuconfig instructions after which execute the idf.py construct command.

Setting Target and Building

Step6: Join the board and flash this system utilizing idf.py -p (PORT) flash. Enter the Port connection of your board. You’ll find this utilizing the machine supervisor in your PC.

Flashing Port of ESP32-C3-DevKITM-1

A Performed message will seem indicating completion of flashing operation. The Idf.py monitor command provides the real-time standing of temperature from the board.

Real Time Temperature Status from ESP32-C3-DevKITM-1

The next is the output end result from the sensor on the IDF Monitor.

Output Temperatures on CMD

The temperature worth relies on components like microcontroller clock frequency or I/O load. Typically, the chip’s inner temperature is larger than the ambient temperature. You can too use this temperature sensor to watch your ESP32 C3 board or as a supplementary information enter to your venture’s principal code. For exploring extra concerning the improvement, you may as well program the event board on Arduino IDE as properly. Take a look at this article for getting began with ESP32-C3-DevKITM-1 on Arduino IDE.



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