Component: 7Segment (74HC595) (Segment): Difference between revisions

Latest revision as of 14:37, 13 July 2026

Author	Matrix Ltd
Version	1.0
Category	Segment

7Segment (74HC595) component

Seven segment display using 74HC595 serial to parallel shift register. Requires three standard output pins to drive the shift register. Shift registers can be chained together to drive up to six individual 7-segment displays.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_74HC595_7SEG_Hex_Driver.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_74HC595_7SEG_Hex_Driver.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples

Macro reference

ShowDigit

	ShowDigit
Set the number to be displayed in the given digit of the display. The colon character can also be controlled when writing to digit 1.
- BYTE	Digit
Which of the digits to change. (0...5)
- BYTE	Value
The number value to set the digit to (0...15), 16=Clear
- BYTE	DecimalPoint
Whether to show the decimal point.
- VOID	Return

ShowDigits

	ShowDigits
Set the number and decimal point to be displayed in the given digit of the display.
- BYTE	Value0
The number value to set the digit to (0...15), 16=Clear
- BYTE	Value1
The number value to set the digit to (0...15), 16=Clear
- BYTE	Value2
The number value to set the digit to (0...15), 16=Clear
- BYTE	Value3
The number value to set the digit to (0...15), 16=Clear
- BYTE	Value4
The number value to set the digit to (0...15), 16=Clear
- BYTE	Value5
The number value to set the digit to (0...15), 16=Clear
- BYTE	DecimalPoint
Bit field containing the states of the decimal points.
- VOID	Return

ShowSegments

	ShowSegments
Allows for manual control over the display segments. The colon character can also be controlled when writing to digit 1.
- BYTE	Digit
Which of the digits to change. (0...5)
- BYTE	Segments
The binary segment value to display, 0b1 = Lit, 0b0 = Not Lit
- VOID	Return

Property reference

	Properties
	Number 7Segs

	Display Type
Set this according to the specification of your hardware display. Common Anode: Pin true -> LED Off, Pin false -> LED On Common Cathode: Pin true -> LED On, Pin false -> LED Off
	Show Seg Labels
Show segment name labels overlayed over the component.
	Connections
	Data Pin
Data Pin connection to the first 74HC595 chip
	Clock Pin
Clock Pin connection to all the 74HC595 chips
	Latch Pin
Latch Pin connection to all the 74HC595 chips
	Colors
	LED Color
Color of the LED segments when truned on. When off, they use a much darker shade of the same hue.
	Body Color
Color of the plastic casing containing the LEDs.
	Label Color
Color for the optional LED segment labels.

@@ Line 69: / Line 69: @@
 ''<span style="color:red;">No additional examples</span>''
@@ Line 75: / Line 83: @@
 ==Macro reference==
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+===ShowDigit===
+{| class="mtx-class-macrotable wikitable"
+|-
+| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
+| width="90%" class="mtx-class-macrohead" | '''ShowDigit'''
+|-
+| colspan="2" | Set the number to be displayed in the given digit of the display. The colon character can also be controlled when writing to digit 1.&nbsp;
+|-
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Digit
+|-
+| colspan="2" | Which of the digits to change. (0...5)&nbsp;
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | Value
+|-
+| colspan="2" | The number value to set the digit to (0...15), 16=Clear&nbsp;
+|-
+| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
+| width="90%" | DecimalPoint
+|-
+| colspan="2" | Whether to show the decimal point.&nbsp;
+|-
+| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
+| width="90%" style="border-top: 2px solid #000;" | ''Return''
+|}
+===ShowDigits===
+{| class="mtx-class-macrotable wikitable"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ShowDigits'''
+| width="90%" class="mtx-class-macrohead" | '''ShowDigits'''
 |-
 | colspan="2" | Set the number and decimal point to be displayed in the given digit of the display.&nbsp;
@@ Line 123: / Line 161: @@
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+===ShowSegments===
+{| class="mtx-class-macrotable wikitable"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
+| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ShowSegments'''
+| width="90%" class="mtx-class-macrohead" | '''ShowSegments'''
 |-
 | colspan="2" | Allows for manual control over the display segments. The colon character can also be controlled when writing to digit 1.&nbsp;
@@ Line 144: / Line 183: @@
 | width="90%" style="border-top: 2px solid #000;" | ''Return''
 |}
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
-|-
-| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ShowDigit'''
-|-
-| colspan="2" | Set the number to be displayed in the given digit of the display. The colon character can also be controlled when writing to digit 1.&nbsp;
-|-
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Digit
-|-
-| colspan="2" | Which of the digits to change. (0...5)&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | Value
-|-
-| colspan="2" | The number value to set the digit to (0...15), 16=Clear&nbsp;
-|-
-| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
-| width="90%" | DecimalPoint
-|-
-| colspan="2" | Whether to show the decimal point.&nbsp;
-|-
-| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
-| width="90%" style="border-top: 2px solid #000;" | ''Return''
-|}
 ==Property reference==
-{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+{| class="mtx-class-macrotable wikitable"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
+| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
+| width="90%" class="mtx-class-macrohead" | '''Properties'''
 |-
 |-
@@ Line 199: / Line 208: @@
 | colspan="2" | Show segment name labels overlayed over the component.&nbsp;
 |-
-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Connections
+| width="90%" class="mtx-class-propfolder" | Connections
 |-
 |-
@@ Line 218: / Line 227: @@
 | colspan="2" | Latch Pin connection to all the 74HC595 chips&nbsp;
 |-
-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Colors
+| width="90%" class="mtx-class-propfolder" | Colors
 |-
 |-

SteveT (talk | contribs)