Explorer 500

The Explorer 500 expansion board is a multifunctional interface board for your Raspberry B+, 2B, 3B and it has following functions:

  1. Pin-Header to put directly on the Raspberry B+, 2B or 3B
  2. UART interface: you can easily connect UART modules like for example RS232, RS485, USB to UART (TTL-cable)
  3. 8x I/O interface: you can easily connect with I/O controlled modules
  4. SPI interface for SPI controlled modules
  5. I²C interface for I²C controlled modules
  6. LCD interface for HD44780 industrial standard LCD module
  7. USB to UART, converter with CP2102 chipset (mini USB port)
  8. Power LED
  9. 4x programmable LED
  10. 4x programmable buttons
  11. Potentiometer: control of contrast for LCD displays (point 6)
  12. RTC battery holder
  13. 32.768K quartz: RTC quartz
  14. CP2102: onboard USB to UART chip for debugging
  15. CP2102: Jumper for: on / off
  16. RTC: Jumper for: on / off
  17. User LEDs Jumper for: on / off (point 9)
  18. User keys Jumper for: on / off (point 10)

It can be directly plugged onto the Raspberry.



Explorer 500 Extension Board


UART, 8x I/O, SPI, I²C, HD44780 Industry-Standard-LCD


Battery-Holder, PCF8564-RTC-Chip incl. 32.789K RTC-Quartz

Jumper (On / Off)

RTC, CP2102 (USB to UART), User LEDs, User Keys

Other Features

Pin header for direct attachment to the Raspberry Pi, USB-UART converter with CP2102 chipset, Power LED, 4x programmable LED, 4x programmable Knöpfe, Potentiometer: Contrast control for LCD displays

Additional information


85 x 17 x 56 mm


36 g

Items shipped

Explorer 500, USB to Micro-USB-Cable, 2x 2-pole connection cable, 2x 4-pole connection cable



Article No.


Recommended products

Explorer 700

Explorer 700 Expansionboard for Raspberry Pi

16x2 LCD Module

with 16 pole Pin-Header


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