Introduction to ThingHz- ESP32 based development board


ThingHz is ESP32 based development boards for easy prototyping and interfacing. Powered by ESP32-WROOM-32U WiFi and BLE Soc. ThingHz is easy to integrate with your existing IoT application and is ready to deploy the device. It facilitates development by exploiting all features of the ESP32 SoC.


  • Onboard SHT31 Temperature and humidity sensor.
  • Available power options: can be powered by battery, solar(PV cell) or USB
  • long-range antenna.
  • Battery charge indicator and signal LED
  • 18 GPIOs
  • wall mounted IP65 rated enclosure.

Open-Source materials

Sensornode Thinghz

Hardware Specification


  • Module:     ESP32-WROOM-32U
  • Core:   ESP32-D0WD
  • Number of cores: 2 (dual core)
  • WiFi:  2.4GHz up to 150 Mbits/s
  • Bluetooth: BLE (Bluetooth Low Energy) and legacy Bluetooth
  • Architecture: 32 bits
  • Clock frequency, Up to 240 MHz
  • RAM:  512 KB
  • SPI flash:  32 Mbits 3.3 V
  • Crystal:  40 MHz
  • Antenna:  U.FL connector (which needs to be connected to an external IPEX antenna)

ESP32 Peripherals

  • 18 Analog-to-Digital Converter (ADC) channels
  • 3 SPI interfaces
  • 3 UART interfaces
  • 2 I2C interfaces
  • 16 PWM output channels
  • 2 Digital-to-Analog Converters (DAC)
  • 2 I2S interfaces
  • 10 Capacitive sensing GPIOs

Temperature and Humidity Sensor

Incorporating Sensirion SHT31 sensor transmits highly accurate temperature and humidity samples

Power Options

Can be powered by battery, PV cells(solar) and USB.

Programming environments

The ThingHz can be programmed in different programming environments. You can use:

  • Espressif IDF (IoT Development Framework)
  • Micropython

ThingHz mobile Application

With the ThingHz device, you will get ThingHz mobile application. Where you can deploy your IoT projects and interact with your hardware.

ThingHz iot sensors web dashboard and mobile application

Wrapping Up


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