Introduction: PC Hardware Monitor With Arduino and Nokia 5110 LCD

By www.youtube.com/channel/UCFo2uTu

Arduino based PC monitor which displays CPU temperature, load, clock and used RAM

CPU load or clock values can be also drawn as a graph.

Parts:

  • Arduino Nano or Arduino Pro Mini with USB to serial adapter
  • Nokia 5110 84x48 LCD

Step 1: Connections

Full list of connections from LCD side:

  1. RST to Pin 9
  2. CS/CE to Pin 10
  3. DC to Pin 8
  4. MOSI/DIN to Pin 11 / SPI
  5. SCK/CLK to Pin 13 / SPI
  6. VCC to 3.3V
  7. LIGHT to GND via 200ohm resistor
  8. GND

Step 2: Arduino Firmware

Arduino sketch:

https://github.com/cbm80amiga/N5110_HWMonitor

Required libraries:

https://github.com/cbm80amiga/N5110_SPI

https://github.com/cbm80amiga/PropFonts

Step 3: PC Software

  1. Download and install HardwareSerialMonitor

    https://cdn.hackaday.io/files/19018813666112/Hardw...

  2. Start it with administrator rights
  3. Choose correct serial port