Enter name of article to create - Revision history

Unikeyic: Arduino Tutorial: 4x4 Matrix Membrane Keypad Module

2024-11-25T06:01:36Z

Arduino Tutorial: 4x4 Matrix Membrane Keypad Module

TotO: 8 years old gallery pictures are removed. The oldest news was cleaned (moved to older news).

2023-04-02T07:24:59Z

8 years old gallery pictures are removed. The oldest news was cleaned (moved to older news).

TotO: 8 years old gallery pictures are removed. The oldest news was cleaned (moved to older news).

2023-04-02T07:19:31Z

8 years old gallery pictures are removed. The oldest news was cleaned (moved to older news).

Gryzor: Reverted edits by MikeDong (talk) to last revision by TotO

2019-05-15T08:56:55Z

Reverted edits by MikeDong (talk) to last revision by TotO

MikeDong: /* CPCWiki related */

2019-05-14T07:34:13Z

‎CPCWiki related

MikeDong at 07:33, 14 May 2019

2019-05-14T07:33:31Z

TotO: Created page with "NOTOC This site hopes to evolve into an encyclopaedia on all things Amstrad CPC related. There are now '''[[Special:Allpages|{{NUMBEROFARTICLE..."

2014-09-09T10:32:31Z

Created page with "__NOTOC__ <center>This site hopes to evolve into an encyclopaedia on all things Amstrad CPC related. There are now '''[[Special:Allpages|{{NUMBEROFARTICLE..."

New page

__NOTOC__
<center>This site hopes to evolve into an encyclopaedia on all things [[Amstrad|Amstrad]] [[CPC|CPC]] related. There are now '''[[Special:Allpages|{{NUMBEROFARTICLES}} articles]]''' around the CPC available.</center>
<center>[[Image:forum.png|300px|link=http://www.cpcwiki.eu/forum]] [[Image:Vs.png|300px|link=http://www.cpcwiki.eu/index.php/Speccy_Port]]</center><br>

<div style="border: 1px solid rgb(255, 201, 201); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(255, 243, 243);">
<center> '''CPC Related News''' </center>
<center>

[[File:PlayCity.jpg|thumb|320px|[http://www.cpcwiki.eu/index.php/PlayCity PlayCity MX4 Board]]]</center><br>

*30/08/14: [[MegaFlashROManager|ROManager]] 1.8 released. [http://futureos.cpc-live.com/files/ROManager_1.8.zip Download]
*30/08/14: '''[[SymbOS]]''' 2.1 Final [http://www.cpcwiki.eu/forum/news-events/symbos-2-1-final-released released]
*14/08/14: '''PlayCity''', Add [http://www.cpcwiki.eu/forum/amstrad-cpc-hardware/playcity-aka-ctc-ay-(mx4)-for-august-!!!/ 6ch stereo audio, Z80 CTC...] to your CPC.
*26/06/14: [http://www.cpcwiki.eu/index.php/CPC464_%26_CPC664_logos Amstrad CPC464 & CPC664 logos] by [[User:Forcy|Forcy]]
*22/04/14: '''X-MEM''', Add up to [http://www.cpcwiki.eu/forum/news-events/x-mem-a-new-memory-expansion-for-all-cpc/ 512K RAM/ROM] on your 464/664/6128.
*20/04/14: '''Breaking Baud''', [http://www.cpcwiki.eu/forum/demos/breaking-baud/ THE tape demo]. 2nd place at Revision!
*30/03/14: '''Superpix''', a new Picross-style game was [http://www.cpc-power.com/index.php?page=detail&num=10000 released].
*24/03/14: '''SAMdisk''' 3.8.2 [http://simonowen.com/samdisk/ released].
*23/03/14: [[PSX controller mod for Amstrad CPC]] by [[User:Forcy|Forcy]]
*11/03/14: '''CPCDiskXP ''' 2.5.1 [http://www.cpcwiki.eu/forum/news-events/cpcdiskxp-v2-1-released/msg76939/#msg76939 released] - a nice update!
*03/02/14: '''La Guerra de Gamber''' [http://www.amstrad.es/juegosamstrad/decargajuegos/la-guerra-de-gamber.php released] by ESP Soft!
*30/01/14: A CPC homebrew dedicated website is born: [http://homebrew.amstradtoday.com/index_uk.htm Homebrew.AT]
<br>



<center><gallery widths=128px heights=96px>
Image:symbos21cpc.gif|[[SymbOS]] 2.1
Image:superpix.png|[http://www.cpc-power.com/index.php?page=detail&num=10000 Superpix]
Image:Gamber4.jpg| La Guerra de Gamber
Image:compo2013.png|[[Amstrad_CPC_16KBs_ROM_Game_Development_Competition_2013|16K ROM 2013]]
Image:phortem01.png|[http://www.norecess.net/ Phortem]



</gallery></center>

<div align=right>...[[OldNews|Older News]]...</div>
</div>

{| width="100%" class="FCK__ShowTableBorders"
|- valign="top"
| <div style="border: 1px solid rgb(176, 176, 176); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(238, 238, 238);">

=== CPCWiki related ===
*[[CPCWiki updates]]
*[[Donors]]

'''Become an Author!'''
<createbox>
default=Enter name of article to create
buttonlabel=Create article!
width=40
</createbox>
</div>

<div style="border: 1px solid rgb(176, 176, 176); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(238, 238, 238);">

<div style="text-align: right;"><small>'''All [[Special:Wantedpages|wanted articles]]''' | [[:Category:Stub|Extendable Stubs]] | '''[[Special:ContributionScores|List of most active contributors]]'''</small></div>

| width="50%" style="vertical-align: top;" | <div style="border: 1px solid rgb(228, 222, 222); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(249, 249, 249);">

=== Did you know? ===

*When the 664 was being developed, Sugar was already looking (and hinting publicly!) at the 6128
*The [[472|CPC 472]] was a model released in Spain with an extra unaccessible 8 KB of RAM to circumvent a spanish tax that was charged on imported machines with up to 64 KB memory.

*With a possible total amount of '''832 x 288 pixel''' (576 interlaced) the [[CPC|CPC]] was the 8 bit homecomputer with the highest screen resolution ever.

*'''OpenOffice''' for Windows/Linux is a direct descendant of [[Star-Division|StarWriter]] for the CPC.
*The transfer speed of the [[CPC Booster|CPC Booster +]] serial interface is faster than a standard '''DSL connection'''.

*[[SymbOS|SymbOS]] can handle more than '''50 times''' bigger hard discs than MS Windows 95A.
*[[FutureOS|FutureOS]] can load 178 KB in '''9 seconds''' from floppy disc and manages up to '''4 MB''' of RAM
</div>

|}

@@ Line 1: / Line 1: @@
-<div style="border: 1px solid rgb(255, 201, 201); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(255, 243, 243);">
+Experiment: 4x4 Keypad Module: Touch-Sensitive 4*4 Membrane Matrix Keyboard for External Expansion and Control of 16-Bit Microcontrollers
-<center> '''CPC Related News''' </center>
+'''Matrix Keyboard'''
-<!-- 8 last news only, see http://www.cpcwiki.eu/index.php/OldNews -->
+A membrane keyboard, also known as a membrane switch, is a popular choice for its blend of aesthetics and functionality. It consists of four key components: the panel, upper circuit, isolation layer, and lower circuit. This type of keyboard is valued for its modern design, compactness, light weight, and good sealing properties. It is also resistant to moisture, dust, oil, acids, alkalis, and shock, making it durable. Due to these features, it is widely used in various industries such as medical, computer, digital machinery, electronic scales, telecommunications, appliances, and gaming.
-<div style="overflow:auto; border: 0px solid #FFC9C9">
+Sleek and novel appearance.
-[[File:Dez80_intro.png|thumb|256px|[http://www.cpcwiki.eu/index.php/DEZ80 Mastering Z80 Assembler Course]]]
+In this way, when no key is pressed, all input lines are at a high logic level, indicating that no key is pressed. The output lines are at a low logic level. Once a key is pressed, the corresponding input line will be pulled down. By reading the status of the input lines, it can be determined whether a key is pressed.
-*27/02/23: '''SOH Tactics GX''', a new GX4000/plus strategy game released [http://www.sohde.co.uk/SOHTacticsGX.html]
+I. Row scanning method, also known as row (or column) scanning query method, is one of the most commonly used key recognition methods.
-*21/12/22: '''[[Current_Sources_Of_Software]]''', now as a wiki page.
-*09/12/22: '''Hyperdrive''', a new vertical scrolling SHMUP [https://www.usebox.net/jjm/hyperdrive/ has been released]
-*04/11/22: '''[[UniDOS]]''' 1.50 has been released [https://unidos.cpcscene.net].
-*30/10/22: '''''Ramiro el vampiro III''''' using [[the Mojon Twins]] engine [https://mojontwins.itch.io/ramiro-el-vampiro-iii is released].
-*17/07/22: '''''Lala Prologue''''' using [[the Mojon Twins]] engine [https://www.indieretronews.com/2022/07/lala-prologue-stunning-platformer-by.html is released].
-*09/03/22: '''[[FutureOS]]''' 2nd update 2022 [http://www.FutureOS.de is released].
-*24/01/22: '''''[[SymAmp]] 4.0''''', with Amiga MOD support and more [http://www.symbos.org/appinfo.htm?00005 is released].
-</div>
+Determine if any keys are pressed: Set all row lines Y0-Y3 to a low logic level, then detect the status of the column lines. If any column line is at a low logic level, it indicates that a key on the keyboard has been pressed, and the closed key is located among the 4 keys where the low logic line intersects with the 4 row lines. If all column lines are at a high logic level, then no keys are pressed on the keyboard.
-<div align=right>...[[OldNews|Older News]]...</div>
+Identifying the position of the pressed key involves determining which specific key is closed. The process is as follows: Set each row line to a low logic level one at a time, while keeping the other lines at a high logic level. Once you find a row line at a low logic level, examine the logic levels of each column line in sequence. If a column line is also at a low logic level, the key at the intersection of that column and the row set to low is the closed key.
-</div>
-<!-- WEIRD TABLE START -->
-{| width="100%" class="FCK__ShowTableBorders"
-|- valign="top"
-| <div style="border: 1px solid rgb(176, 176, 176); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(238, 238, 238);">
-=== CPCWiki related ===
+II. High-low logic level flip method
-*[[CPCWiki updates]]
-*[[Donors]]
-'''Become an Author!'''
+When a key is pressed, the high bits switch from 1 to 0, showing the row, and one of the low bits changes from 1 to 0, indicating the column. An OR operation combines these to determine the key's position. Keyboard and display processing can be intricate, primarily due to user habits and external factors, not the microcontroller. Organizing and logically representing the keyboard processing through algorithms before coding is crucial for creating efficient and effective programs.
-<createbox>
+Flexible Membrane Keyboard
-default=Enter name of article to create
+A flexible membrane keyboard consists of soft film layers, including PET for its electrical properties and low-resistance conductive coatings for circuit patterns. This design allows the keyboard to adapt to flat and curved surfaces, with integrated lead-out wires providing bendable connections to the device's circuitry.
-buttonlabel=Create article!
+Flat Three-Dimensional Membrane Keyboard
-width=40
+This membrane keyboard has keys slightly raised, known as 3D key switches, which improve key recognition and tactile sensitivity, and add decorative appeal. Designing these keys involves precise positioning during mold pressing, and the height of the raised portion should not exceed twice the thickness of the substrate. Various designs can be applied to the protrusions for aesthetic purposes.
-</createbox>
-</div>
-<div style="border: 1px solid rgb(176, 176, 176); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(238, 238, 238);">
+[https://www.unikeyic.com/search?keyword=Module '''Module  Parameters''']
-*When the 664 was being developed, Sugar was already looking (and hinting publicly!) at the 6128
+.Electrical Characteristics:
-*The [[472|CPC 472]] was a model released in Spain with an extra unaccessible 8 KB of RAM to circumvent a spanish tax that was charged on imported machines with up to 64 KB memory.
+Rated Current: 35V (DC), 100mA, 1W
-*With a possible total amount of '''832 × 288 pixel''' (576 interlaced) the [[CPC|CPC]] was the 8 bit homecomputer with the highest screen resolution ever.
+.Environmental Parameters:
-*'''OpenOffice''' for Windows/Linux is a direct descendant of [[Star-Division|StarWriter]] for the CPC.
+For reliable and high-quality electronic components to enhance your lighting projects, you might consider checking out [https://www.unikeyic.com/search?keyword=Module Unikeyic], a trusted brand for circuit solutions.
-*The transfer speed of the [[CPC Booster|CPC Booster +]] serial interface is faster than a standard '''DSL connection'''.
-−
-*[[SymbOS|SymbOS]] can handle more than '''50 times''' bigger hard discs than MS Windows 95A.
-*[[FutureOS|FutureOS]] can load 178 KB in '''9 seconds''' from floppy disc and manages up to '''4 MB''' of RAM
-</div>
-</div>
-−
-−
-|}

@@ Line 20: / Line 20: @@
 *09/03/22: '''[[FutureOS]]''' 2nd update 2022 [http://www.FutureOS.de is released].
 *24/01/22: '''''[[SymAmp]] 4.0''''', with Amiga MOD support and more [http://www.symbos.org/appinfo.htm?00005 is released].
 </div>

@@ Line 1: / Line 1: @@
 __NOTOC__
-<center>This site hopes to evolve into an encyclopaedia on all things [[Amstrad|Amstrad]] [[CPC|CPC]] related. There are now '''[[Special:Allpages|{{NUMBEROFARTICLES}} articles]]''' around the CPC available.</center>
+<center>This site is an encyclopaedia on all things [[Amstrad|Amstrad]] [[CPC|CPC]] related. There are now '''[[Special:Allpages|{{NUMBEROFARTICLES}} articles]]''' about the CPC available.</center>
 <center>[[Image:forum.png|300px|link=http://www.cpcwiki.eu/forum]]      [[Image:Vs.png|300px|link=http://www.cpcwiki.eu/index.php/Speccy_Port]]</center><br>
 <div style="border: 1px solid rgb(255, 201, 201); margin: 0px 0px 5px; padding: 0.5em 1em; background-color: rgb(255, 243, 243);">
 <center> '''CPC Related News''' </center>
-[[File:PlayCity.jpg|thumb|320px|[http://www.cpcwiki.eu/index.php/PlayCity PlayCity MX4 Board]]]</center><br>
+<!-- 8 last news only, see http://www.cpcwiki.eu/index.php/OldNews -->
-*30/08/14: [[MegaFlashROManager|ROManager]] 1.8 released. [http://futureos.cpc-live.com/files/ROManager_1.8.zip Download]
+<div style="overflow:auto; border: 0px solid #FFC9C9">
-*30/08/14: '''[[SymbOS]]''' 2.1 Final [http://www.cpcwiki.eu/forum/news-events/symbos-2-1-final-released released]
-*14/08/14: '''PlayCity''', Add [http://www.cpcwiki.eu/forum/amstrad-cpc-hardware/playcity-aka-ctc-ay-(mx4)-for-august-!!!/ 6ch stereo audio, Z80 CTC...] to your CPC.
-*26/06/14: [http://www.cpcwiki.eu/index.php/CPC464_%26_CPC664_logos Amstrad CPC464 & CPC664 logos] by [[User:Forcy|Forcy]]
-*22/04/14: '''X-MEM''', Add up to [http://www.cpcwiki.eu/forum/news-events/x-mem-a-new-memory-expansion-for-all-cpc/ 512K RAM/ROM] on your 464/664/6128.
-*20/04/14: '''Breaking Baud''', [http://www.cpcwiki.eu/forum/demos/breaking-baud/ THE tape demo]. 2nd place at Revision!
-*30/03/14: '''Superpix''', a new Picross-style game was [http://www.cpc-power.com/index.php?page=detail&num=10000 released].
-*24/03/14: '''SAMdisk''' 3.8.2 [http://simonowen.com/samdisk/ released].
-*23/03/14: [[PSX controller mod for Amstrad CPC]] by [[User:Forcy|Forcy]]
-*11/03/14: '''CPCDiskXP ''' 2.5.1 [http://www.cpcwiki.eu/forum/news-events/cpcdiskxp-v2-1-released/msg76939/#msg76939 released] - a nice update!
-*03/02/14: '''La Guerra de Gamber''' [http://www.amstrad.es/juegosamstrad/decargajuegos/la-guerra-de-gamber.php released] by ESP Soft!
-*30/01/14: A CPC homebrew dedicated website is born: [http://homebrew.amstradtoday.com/index_uk.htm Homebrew.AT]
-<br>
-<!-- 12 last news only -->
+[[File:Dez80_intro.png|thumb|256px|[http://www.cpcwiki.eu/index.php/DEZ80 Mastering Z80 Assembler Course]]]
-<center><gallery widths=128px  heights=96px>
+*27/02/23: '''SOH Tactics GX''', a new GX4000/plus strategy game released [http://www.sohde.co.uk/SOHTacticsGX.html]
-Image:symbos21cpc.gif|[[SymbOS]] 2.1
+*21/12/22: '''[[Current_Sources_Of_Software]]''', now as a wiki page.
-Image:superpix.png|[http://www.cpc-power.com/index.php?page=detail&num=10000 Superpix]
+*09/12/22: '''Hyperdrive''', a new vertical scrolling SHMUP [https://www.usebox.net/jjm/hyperdrive/ has been released]
-Image:Gamber4.jpg| La Guerra de Gamber
+*04/11/22: '''[[UniDOS]]''' 1.50 has been released [https://unidos.cpcscene.net].
-Image:compo2013.png|[[Amstrad_CPC_16KBs_ROM_Game_Development_Competition_2013|16K ROM 2013]]
+*30/10/22: '''''Ramiro el vampiro III''''' using [[the Mojon Twins]] engine [https://mojontwins.itch.io/ramiro-el-vampiro-iii is released].
-Image:phortem01.png|[http://www.norecess.net/ Phortem]
+*17/07/22: '''''Lala Prologue''''' using [[the Mojon Twins]] engine [https://www.indieretronews.com/2022/07/lala-prologue-stunning-platformer-by.html is released].
+*09/03/22: '''[[FutureOS]]''' 2nd update 2022 [http://www.FutureOS.de is released].
-<!-- 5 last pictures only -->
+*24/01/22: '''''[[SymAmp]] 4.0''''', with Amiga MOD support and more [http://www.symbos.org/appinfo.htm?00005 is released].
+</div>
-</gallery></center>
 <div align=right>...[[OldNews|Older News]]...</div>
@@ Line 66: / Line 52: @@
 *The [[472|CPC 472]] was a model released in Spain with an extra unaccessible 8 KB of RAM to circumvent a spanish tax that was charged on imported machines with up to 64 KB memory.
-*With a possible total amount of '''832 x 288 pixel''' (576 interlaced) the [[CPC|CPC]] was the 8 bit homecomputer with the highest screen resolution ever.
+*With a possible total amount of '''832 × 288 pixel''' (576 interlaced) the [[CPC|CPC]] was the 8 bit homecomputer with the highest screen resolution ever.
 *'''OpenOffice''' for Windows/Linux is a direct descendant of [[Star-Division|StarWriter]] for the CPC.
@@ Line 74: / Line 60: @@
 *[[FutureOS|FutureOS]] can load 178 KB in '''9 seconds''' from floppy disc and manages up to '''4 MB''' of RAM
 </div>
+</div>
 |}

Enter name of article to create - Revision history

Unikeyic: Arduino Tutorial: 4x4 Matrix Membrane Keypad Module

TotO: 8 years old gallery pictures are removed. The oldest news was cleaned (moved to older news).

TotO: 8 years old gallery pictures are removed. The oldest news was cleaned (moved to older news).

Gryzor: Reverted edits by MikeDong (talk) to last revision by TotO

MikeDong: /* CPCWiki related */

MikeDong at 07:33, 14 May 2019

TotO: Created page with "__NOTOC__ This site hopes to evolve into an encyclopaedia on all things Amstrad CPC related. There are now '''[[Special:Allpages|{{NUMBEROFARTICLE..."

TotO: Created page with "NOTOC This site hopes to evolve into an encyclopaedia on all things Amstrad CPC related. There are now '''[[Special:Allpages|{{NUMBEROFARTICLE..."