Projects/LED-Banner - Bewerkingsoverzicht

Polyfloyd: /* Building */

2026-01-25T13:32:13Z

Building

← Oudere versie		Versie van 25 jan 2026 13:32
Regel 26:		Regel 26:
	=== Building ===		=== Building ===
	The firmware has been slightly modified by removing one frame buffer because the MCU did not have enough RAM for triple buffering. Additionally, some defines were updated to match the specs and dimensions of the LED-Banner:		The firmware has been slightly modified by removing one frame buffer because the MCU did not have enough RAM for triple buffering. Additionally, some defines were updated to match the specs and dimensions of the LED-Banner:
	<~~pre~~>		<syntaxhighlight lang="c">
	#define LED_VALUES 3		#define LED_VALUES 3
	#define N_LEDS_PER_STRIP 150		#define N_LEDS_PER_STRIP 150
	#define N_STRIPS 16		#define N_STRIPS 16
	</~~pre~~>		</syntaxhighlight>

	The firmware is built with the Arduino IDE with the Teensyduino toolchain installed. The settings used are:		The firmware is built with the Arduino IDE with the Teensyduino toolchain installed. The settings used are:
Regel 37:		Regel 37:
	* CPU Speed: 96 MHz		* CPU Speed: 96 MHz

	The board does not support flashing over USB, we had to manually flash the HEX file produced by Arduino ourselves.		The board does not support flashing over USB, we had to manually flash the HEX file produced by Arduino ourselves.

	=== Flashing ===		=== Flashing ===

Polyfloyd op 25 jan 2026 om 13:30

2026-01-25T13:30:55Z

← Oudere versie		Versie van 25 jan 2026 13:30
Regel 1:		Regel 1:
	{{Project		{{Project
	\|~~name~~=~~BitBanner (~~LED-~~Banner)~~		\|info=A giant LED-banner consisting of 16 5-meter long 30 LEDs/meter strips.
	\|start=2015-03-13		\|start=2015-03-13
	\|contact=Polyfloyd, eightdot		\|contact=Polyfloyd, eightdot
	~~\|info=A giant LED-banner consisting of 16 5-meter long 30 LEDs/meter strips.~~
	\|status=Production		\|status=Production
	\|Picture=Photo_2017-09-12_14-48-18.jpg		\|Picture=Photo_2017-09-12_14-48-18.jpg
			\|name=BitBanner (LED-Banner)
	}}		}}
	Bitlair's new incarnation of blinkenlights: the BitBanner.		Bitlair's new incarnation of blinkenlights: the BitBanner.
Regel 69:		Regel 69:

	=== Ledcat ===		=== Ledcat ===
	[[Projects/Ledcat\|Ledcat]] is a program created by [[User:Polyfloyd\|Polyfloyd]] which supports the HexWS2811. Ledcat reads frames with RGB24 format from stdin and handles all the setup and formatting that the board requires. Typical usage for the LED-Banner looks something like this:		[[Projects/Ledcat\|Ledcat]] is a program created by [[User:Polyfloyd\|Polyfloyd]] which supports the HexWS2811. Ledcat reads frames with RGB24 format from stdin and handles all the setup and formatting that the board requires.

			Ledcat can be installed using the Rust package manager, Cargo, by running <code>cargo install ledcat</code>. If you don't have Cargo, you can probably find it in your package manager or alternatively install it along with the [https://www.rust-lang.org/en-US/ Rust Language].

			Typical usage for the LED-Banner looks something like this:
	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
	./my_animation \| ledcat --geometry 150x16 hexws2811 > /dev/ttyACM3		./my_animation \| ledcat --geometry 150x16 hexws2811 > /dev/ttyACM3
	</syntaxhighlight>		</syntaxhighlight>
	Ledcat can also accept some optional configuration options:		Ledcat can also accept some optional configuration options:
	* <code>--transpose</code> ~~reverse~~ will rotate the image by 180 degrees		* <code>--transpose reverse</code> will rotate the image by 180 degrees
	* <code>--dim 0.5</code> Reduces strain on your pretty eyes by capping power output to 50%		* <code>--dim 0.5</code> Reduces strain on your pretty eyes by capping power output to 50%
	* <code>--color-correction</code> ~~none Disables~~ the default color correction applied (THIS MAY PUT HEAVY STRAIN ON THE POWER SUPPLY)		* <code>--color-correction none</code> disables the default color correction applied (THIS MAY PUT HEAVY STRAIN ON THE POWER SUPPLY)

	~~Ledcat can be installed using the Rust package manager, Cargo, by running <code>cargo install ledcat</code>.~~
	~~If you don't have Cargo, you can probably find it in your package manager or alternatively install it along with the [https://www.rust-lang.org/en-US/ Rust Language].~~

	=== Emulator ===		=== Emulator ===
	~~You~~ can ~~develop~~ animations ~~for the LED-Banner and test~~ them ~~on an emulator which can be found [https://github~~.~~com/bitlair/ledbanner/ here] along~~ with ~~some animations.~~		Ledcat can also act as a way to test animations before deploying them. Run Ledcat with the <code>show</code> subcommand like so:

	~~'''NOTE:''' The simulator listed above is deprecated. Use [[Projects/Ledcat\|Ledcat]]'s~~ <code>show</code> ~~command instead~~:
	<pre>		<pre>
	./my_animation \| ledcat --geometry 150x16 show		./my_animation \| ledcat --geometry 150x16 show
	</pre>		</pre>

	=== Hacking ===		== Hacking ==
	But of course you may hack on the LED-Banner!		But of course you may hack on the LED-Banner!
	* IP: ~~<s>100~~.64.~~0.72</s>~~ fe80::~~1a03~~:~~73ff~~:~~fe30~~:~~3756%wlan0~~		* Host: ledbanner.bitlair.nl or fe80::ba27:ebff:fe72:e6ff
	* Credentials: <ask someone in the space>		* Credentials: <ask someone in the space>

Regel 102:		Regel 101:
	** https://github.com/polyfloyd/ledcat		** https://github.com/polyfloyd/ledcat
	* Don't display anything (r\|n)ude		* Don't display anything (r\|n)ude
	* Questions? Ask ~~polyfloyd.~~		* Questions? Ask [[User:Polyfloyd\|Polyfloyd]]

	== POIDH ==		== POIDH ==

Polyfloyd: /* Ledcat */

2026-01-25T13:25:19Z

Ledcat

← Oudere versie		Versie van 25 jan 2026 13:25
Regel 69:		Regel 69:

	=== Ledcat ===		=== Ledcat ===
	[~~https:~~/~~/codeberg.org/polyfloyd/ledcat~~ Ledcat] is a program created by ~~polyfloyd~~ which supports the HexWS2811. Ledcat reads frames with RGB24 format from stdin and handles all the setup and formatting that the board requires. Typical usage for the LED-Banner looks something like this:		[[Projects/Ledcat\|Ledcat]] is a program created by [[User:Polyfloyd\|Polyfloyd]] which supports the HexWS2811. Ledcat reads frames with RGB24 format from stdin and handles all the setup and formatting that the board requires. Typical usage for the LED-Banner looks something like this:
	<~~pre~~>		<syntaxhighlight lang="bash">
	./my_animation \| ledcat --geometry 150x16 hexws2811 > /dev/ttyACM3		./my_animation \| ledcat --geometry 150x16 hexws2811 > /dev/ttyACM3
	</~~pre~~>		</syntaxhighlight>
	Ledcat can also accept some optional configuration options:		Ledcat can also accept some optional configuration options:
	* --transpose reverse will rotate the image by 180 degrees		* <code>--transpose</code> reverse will rotate the image by 180 degrees
	* --dim 0.5 Reduces strain on your pretty eyes by capping power output to 50%		* <code>--dim 0.5</code> Reduces strain on your pretty eyes by capping power output to 50%
	* --color-correction none Disables the default color correction applied (THIS MAY PUT HEAVY STRAIN ON THE POWER SUPPLY)		* <code>--color-correction</code> none Disables the default color correction applied (THIS MAY PUT HEAVY STRAIN ON THE POWER SUPPLY)

	Ledcat can be installed using the Rust package manager, Cargo, by running cargo install ledcat.		Ledcat can be installed using the Rust package manager, Cargo, by running <code>cargo install ledcat</code>.
	If you don't have Cargo, you can probably find it in your package manager or alternatively install it along with the [https://www.rust-lang.org/en-US/ Rust Language].		If you don't have Cargo, you can probably find it in your package manager or alternatively install it along with the [https://www.rust-lang.org/en-US/ Rust Language].

Polyfloyd: /* Emulator */

2026-01-25T13:22:47Z

Emulator

← Oudere versie		Versie van 25 jan 2026 13:22
Regel 84:		Regel 84:
	You can develop animations for the LED-Banner and test them on an emulator which can be found [https://github.com/bitlair/ledbanner/ here] along with some animations.		You can develop animations for the LED-Banner and test them on an emulator which can be found [https://github.com/bitlair/ledbanner/ here] along with some animations.

	'''NOTE:''' The simulator listed above is deprecated. Use Ledcat's show command instead:		'''NOTE:''' The simulator listed above is deprecated. Use [[Projects/Ledcat\|Ledcat]]'s <code>show</code> command instead:
	<pre>		<pre>
	./my_animation \| ledcat --geometry 150x16 show		./my_animation \| ledcat --geometry 150x16 show

Polyfloyd: /* Ledcat */

2026-01-07T20:58:50Z

Ledcat

← Oudere versie		Versie van 7 jan 2026 20:58
Regel 69:		Regel 69:

	=== Ledcat ===		=== Ledcat ===
	[https://~~github~~.~~com~~/polyfloyd/ledcat Ledcat] is a program created by polyfloyd which supports the HexWS2811. Ledcat reads frames with RGB24 format from stdin and handles all the setup and formatting that the board requires. Typical usage for the LED-Banner looks something like this:		[https://codeberg.org/polyfloyd/ledcat Ledcat] is a program created by polyfloyd which supports the HexWS2811. Ledcat reads frames with RGB24 format from stdin and handles all the setup and formatting that the board requires. Typical usage for the LED-Banner looks something like this:
	<pre>		<pre>
	./my_animation \| ledcat --geometry 150x16 hexws2811 > /dev/ttyACM3		./my_animation \| ledcat --geometry 150x16 hexws2811 > /dev/ttyACM3

Polyfloyd: /* TODO */

2026-01-07T20:58:20Z

TODO

← Oudere versie		Versie van 7 jan 2026 20:58
Regel 13:		Regel 13:
	== TODO ==		== TODO ==
	* Assemble second power supply		* Assemble second power supply
	* Connect power supplies to led-strips '''wip'''
	** Buy waterproof 3-pin connectors for the stips '''done'''
	* Weatherproof power supplies		* Weatherproof power supplies
	* Create a controller '''done'''
	* Buy bold / nut 100 * 3mm 15mm + rings 200 '''done'''		* Buy bold / nut 100 * 3mm 15mm + rings 200 '''done'''
	* Buy wire for connecting led strips (1 mm2 red/black 32*1m?)		* Buy wire for connecting led strips (1 mm2 red/black 32*1m?)
	* Buy wire for supplying power to PCB's (2.5 mm2 red/black 12m)		* Buy wire for supplying power to PCB's (2.5 mm2 red/black 12m)
	* Buy steel wire and accessories for suspension		* Buy steel wire and accessories for suspension


	== Controller and Firmware ==		== Controller and Firmware ==

Polyfloyd op 7 jan 2026 om 20:57

2026-01-07T20:57:21Z

← Oudere versie		Versie van 7 jan 2026 20:57
Regel 1:		Regel 1:
	{{Project		{{Project
	\|name=BitBanner (LED-Banner)		\|name=BitBanner (LED-Banner)
	\|start=2015/03/13		\|start=2015-03-13
	\|contact=Polyfloyd, eightdot		\|contact=Polyfloyd, eightdot
	\|info=A giant LED-banner consisting of 16 5-meter long 30 LEDs/meter strips.		\|info=A giant LED-banner consisting of 16 5-meter long 30 LEDs/meter strips.
Regel 8:		Regel 8:
	}}		}}
	Bitlair's new incarnation of blinkenlights: the BitBanner.		Bitlair's new incarnation of blinkenlights: the BitBanner.
	The BitBanner will consist of 16 5-meter long RGB LED-strips, with 30 pixels per meter totaling 2400 LEDs. They'll need 5v at about 120 Amps. To provide power 12v power supplies will be used along with 32 step down converters (4 per PCB, designed and created by Bobo1on1).		The BitBanner will consist of 16 5-meter long RGB LED-strips, with 30 pixels per meter totaling 2400 LEDs. They'll need 5v at about 120 Amps. To provide power 12v power supplies will be used along with 32 step down converters (4 per PCB, designed and created by [[User:Bobo1on1\|Bob]]).

Polyfloyd op 8 mrt 2025 om 21:55

2025-03-08T21:55:30Z

← Oudere versie		Versie van 8 mrt 2025 21:55
Regel 2:		Regel 2:
	\|name=BitBanner (LED-Banner)		\|name=BitBanner (LED-Banner)
	\|start=2015/03/13		\|start=2015/03/13
	\|contact=Polyfloyd, ~~User:Eightdot,~~		\|contact=Polyfloyd, eightdot
	\|info=A giant LED-banner consisting of 16 5-meter long 30 LEDs/meter strips.		\|info=A giant LED-banner consisting of 16 5-meter long 30 LEDs/meter strips.
	\|status=~~Beta~~		\|status=Production
	\|Picture=Photo_2017-09-12_14-48-18.jpg		\|Picture=Photo_2017-09-12_14-48-18.jpg
	}}		}}

Eightdot: /* Hacking */

2018-01-17T18:15:49Z

Hacking

← Oudere versie		Versie van 17 jan 2018 18:15
Regel 95:		Regel 95:
	=== Hacking ===		=== Hacking ===
	But of course you may hack on the LED-Banner!		But of course you may hack on the LED-Banner!
	* IP: 100.64.0.72		* IP: <s>100.64.0.72</s> fe80::1a03:73ff:fe30:3756%wlan0
	* Credentials: <ask someone in the space>		* Credentials: <ask someone in the space>

AK47: /* Hacking */

2018-01-17T17:57:29Z

Hacking

← Oudere versie		Versie van 17 jan 2018 17:57
Regel 95:		Regel 95:
	=== Hacking ===		=== Hacking ===
	But of course you may hack on the LED-Banner!		But of course you may hack on the LED-Banner!
	* IP: 100.64.0.89		* IP: 100.64.0.72
	* Credentials: <ask someone in the space>		* Credentials: <ask someone in the space>

Regel 107:		Regel 107:
	* Don't display anything (r\|n)ude		* Don't display anything (r\|n)ude
	* Questions? Ask polyfloyd.		* Questions? Ask polyfloyd.


	== POIDH ==		== POIDH ==