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IoT Projects with Bluetooth Low Energy by Madhur Bhargava

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Introduction to Raspberry Pi

In this section, we will be introducing you to Raspberry Pi, which is a completely functional computer built on a single circuit board:

Figure 28: A Raspberry Pi, Model 3B; source: www.wikipedia.com

Equivalent to the size of a credit card, this single board computer offers the following:

  • 1GB RAM
  • 4 USB ports
  • 40 GPIO pins
  • A full HDMI port
  • An Ethernet port
  • Combined 3.5mm audio jack and composite video
  • A Camera interface (CSI)
  • A Display interface (DSI)
  • A micro SD card slot
  • A VideoCore IV 3D graphics core
  • A 1.2GHz 64-bit quad-core ARMv8 CPU
  • An 802.11n Wireless LAN
  • Bluetooth 4.1
  • Bluetooth Low Energy (BLE)
Figure 29: ...

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