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Picaxe OLED

This is the AQA version closing after June 2019. Visit the the version for Eduqas instead .

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When this was written, this OLED display was cheaper than similar LCD displays!

Build the OLED / LCD Test Circuit

Build this circuit and copy and paste the code below.

The OLED / LCD Test Code

; ===========================
; ===== OLED / LCD TEST =====
; ===========================

    SETFREQ M4
    CALL    WAIT1000MS
START:
    CALL    blank
    CALL    WAIT1000MS
    CALL    TESTTEXT
    CALL    WAIT1000MS
    JMP     START
    
; ======================================
; A subroutine to blank both lines.
; ======================================
blank:
    serout 7, N2400, (254, 128)   ' Blank First Line
    serout 7, N2400, ("                ")
    serout 7, N2400, (254, 192)   ' Blank Second Line
    serout 7, N2400, ("                ")
    ret
; ======================================

; ======================================
; A subroutine to show some test text.
; ======================================
TESTTEXT:
    serout 7, N2400, (254, 128)   ' First Line
    serout 7, N2400, ("0123456789ABCDEF")
    serout 7, N2400, (254, 192)   ' Second Line
    serout 7, N2400, ("FEDCBA9876543210")
    ret
; ======================================