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The Hardware used in the Course

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Uli Raich edited this page May 15, 2020 · 22 revisions

The Hardware

The CPU card

The CPU card features an Espressif ESP32-wroom-32 with

  • 2 low-powerXtensa®32-bitLX6microprocessors
  • 520 KB of on-chip SRAM for data and instructions
  • 4 MB of SPI flash
  • I2C, I2S, SPI interfaces
  • 3 UARTs, 12 bit ADC up to 18 channels, 8 bit DAC

Here is a photo of the board:

Photo of the ESP32 CPU board

For more details please read the data sheet: http://localhost/pub/UCC_Course_2020/TheHardware/esp32-wroom-32_datasheet_en.pdf

The Base Board

This board has no active elements but it connects sensor shields to the CPU board. Like this the necessary connections are made in a Lego based manner by just plugging modules together without any further cable connections or soldering.

Photo of the triple base board

Switches

Two different types of switches are available as shields: a mechanical push button switch and a PIR sensor.

Mechanical Switch PIR Sensor
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Course on the Internet of Things at the University of Cape Coast, Ghana

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