Serial OLED Module (20x4)

Product Details

Once you have seen an OLED display in use you will never want to use an LCD again! Much brighter display, much better viewing angle and lower current consumption means that OLEDs are set to become the new LCDs!

This serial OLED kit includes a 20x4 OLED (yellow on black) together with a small 'serial interface' PCB fitted with a PICAXE-18M2 chip. The on-board PICAXE-18M2 chip is provided pre-programmed with the open-source AXE133 firmware, which allows this on-board 18M2 chip to act as a 'slave' serial driver for the OLED display. This allows your main project to display text on the serial OLED via simple serout commands, such as

serout B.7, N2400, ("Hello")

The control codes are identical to our popular AXE033 module, so this kit can be used as an altenate to the AXE033. On this board the slave chip is a completely normal 18M2, so it can also be reprogrammed whenever you want (e.g. to change the power-up welcome message or even temporarily 'borrowed' for another project!). Click on the resources tab above to download the AXE133 BASIC firmware file.

Self assembly kit including 20x4 OLED display, 18M2, PCB and all components - requires simple soldering.


  • 16x2 Winstar Yellow on Black OLED
  • PICAXE-18M2 programmed with AXE133 firmware
  • 4.5V or 5V power supply
Pack size 200x290x30mm
Pack weight 79g


Serial OLED Module Datasheet PDF Datasheet
AXE134Y Firmware File BASIC File
Winstar OLED Driver Datasheet PDF Datasheet
Dimensions PDF Datasheet


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