Projects/LED-Pad - Bewerkingsoverzicht

Polyfloyd op 22 jan 2026 om 22:30

2026-01-22T22:30:51Z

← Oudere versie		Versie van 22 jan 2026 22:30
Regel 22:		Regel 22:
	File:LEDPad_20180715_222039.jpg		File:LEDPad_20180715_222039.jpg
	File:LEDPad_20180718_224806.jpg		File:LEDPad_20180718_224806.jpg
	<gallery>		</gallery>

	The selected color is transmitted to a pre-configured MQTT server which is		The selected color is transmitted to a pre-configured MQTT server which is

Polyfloyd op 22 jan 2026 om 22:30

2026-01-22T22:30:00Z

← Oudere versie		Versie van 22 jan 2026 22:30
Regel 1:		Regel 1:
	{{Project		{{Project
	\|name=LED-Pad		\|name=LED-Pad
	\|start=2018/07/15		\|start=2018-07-15
	~~\|URL=https://github.com/polyfloyd/led-pad~~
	\|contact=polyfloyd		\|contact=polyfloyd
	\|info=A simple remote control intended to be used with single colorLED-strips		\|info=A simple remote control intended to be used with single colorLED-strips
	\|status=Finished		\|status=Finished
	\|Picture=LED-Pad_Assembled.jpg		\|Picture=LED-Pad_Assembled.jpg
			\|URL=https://github.com/polyfloyd/led-pad
	}}		}}
	The LED-Pad is a simple remote control intended to be used with single color		The LED-Pad is a simple remote control intended to be used with single color
Regel 18:		Regel 18:
	color.		color.

	[[File:LED-Pad_Display-colsel.jpg~~\|400px]]~~		<gallery>
			File:LED-Pad_Display-colsel.jpg
			File:LEDPad_20180715_222039.jpg
			File:LEDPad_20180718_224806.jpg
			<gallery>

	The selected color is transmitted to a pre-configured MQTT server which is		The selected color is transmitted to a pre-configured MQTT server which is

Polyfloyd op 19 feb 2023 om 21:45

2023-02-19T21:45:00Z

← Oudere versie		Versie van 19 feb 2023 21:45
Regel 3:		Regel 3:
	\|start=2018/07/15		\|start=2018/07/15
	\|URL=https://github.com/polyfloyd/led-pad		\|URL=https://github.com/polyfloyd/led-pad
	\|contact=polyfloyd,		\|contact=polyfloyd
	\|info=A simple remote control intended to be used with single ~~color~~		\|info=A simple remote control intended to be used with single colorLED-strips
	~~LED~~-strips		\|status=Finished
	\|status=~~Beta~~
	\|Picture=LED-Pad_Assembled.jpg		\|Picture=LED-Pad_Assembled.jpg
	}}		}}

Polyfloyd op 4 aug 2018 om 11:54

2018-08-04T11:54:25Z

← Oudere versie		Versie van 4 aug 2018 11:54
Regel 3:		Regel 3:
	\|start=2018/07/15		\|start=2018/07/15
	\|URL=https://github.com/polyfloyd/led-pad		\|URL=https://github.com/polyfloyd/led-pad
	\|contact=~~User:Polyfloyd~~,		\|contact=polyfloyd,
	\|info=A simple remote control intended to be used with single color		\|info=A simple remote control intended to be used with single color
	LED-strips		LED-strips

Polyfloyd op 21 jul 2018 om 17:10

2018-07-21T17:10:26Z

← Oudere versie		Versie van 21 jul 2018 17:10
Regel 14:		Regel 14:
	The color and brightness can be controlled via an analog joystick and a user		The color and brightness can be controlled via an analog joystick and a user
	interface on a		interface on a
	[~~160x80 OLED display](~~https://nl.aliexpress.com/item/1-stks-IPS-0-96-inch-7-P-SPI-HD-65-K-Volledige-Kleur-OLED-Module/32857836858.html?spm=a2g0s.9042311.0.0.58cb4c4dN5Fwb4).		[https://nl.aliexpress.com/item/1-stks-IPS-0-96-inch-7-P-SPI-HD-65-K-Volledige-Kleur-OLED-Module/32857836858.html?spm=a2g0s.9042311.0.0.58cb4c4dN5Fwb4 160x80 OLED display].
	The display shows a HSV color spectrum with both gradients to dark and light		The display shows a HSV color spectrum with both gradients to dark and light
	colors. To select a new color, move the cursor with the joystick to the desired		colors. To select a new color, move the cursor with the joystick to the desired
	color.		color.
	![~~The color selection user interface](img/display~~-colsel.jpg)
			[[File:LED-Pad_Display-colsel.jpg\|400px]]

	The selected color is transmitted to a pre-configured MQTT server which is		The selected color is transmitted to a pre-configured MQTT server which is
Regel 27:		Regel 28:
	The heart of the LED-Pad is an ESP8266, an MCU with a WiFi transceiver on board.		The heart of the LED-Pad is an ESP8266, an MCU with a WiFi transceiver on board.

	The joystick used is from [~~Sparkfun](~~https://www.sparkfun.com/products/9032)		The joystick used is from [https://www.sparkfun.com/products/9032 Sparkfun]
	and has two potentiometers to signal the current position of the stick for each		and has two potentiometers to signal the current position of the stick for each
	respective axis.		respective axis.

Polyfloyd op 21 jul 2018 om 17:07

2018-07-21T17:07:08Z

← Oudere versie		Versie van 21 jul 2018 17:07
Regel 7:		Regel 7:
	LED-strips		LED-strips
	\|status=Beta		\|status=Beta
			\|Picture=LED-Pad_Assembled.jpg
	}}		}}
	The LED-Pad is a simple remote control intended to be used with single color		The LED-Pad is a simple remote control intended to be used with single color
	LED-strips.		LED-strips.

	~~![The LED-Pad assembled on a protoboard](img/assembled.jpg)~~

	The color and brightness can be controlled via an analog joystick and a user		The color and brightness can be controlled via an analog joystick and a user

Polyfloyd: /* ESP8266 Connections */

2018-07-21T17:06:20Z

ESP8266 Connections

← Oudere versie		Versie van 21 jul 2018 17:06
Regel 43:		Regel 43:

	=== ESP8266 Connections ===		=== ESP8266 Connections ===
	</pre>		<pre>
	\| ESP8266 \| Peripheral \|		\| ESP8266 \| Peripheral \|
	\| ------- \| ---------- \|		\| ------- \| ---------- \|

Polyfloyd: Created page with "{{Project |name=LED-Pad |start=2018/07/15 |URL=https://github.com/polyfloyd/led-pad |contact=User:Polyfloyd, |info=A simple remote control intended to be used with single colo..."

2018-07-21T17:06:05Z

Created page with "{{Project |name=LED-Pad |start=2018/07/15 |URL=https://github.com/polyfloyd/led-pad |contact=User:Polyfloyd, |info=A simple remote control intended to be used with single colo..."

Nieuwe pagina

{{Project
|name=LED-Pad
|start=2018/07/15
|URL=https://github.com/polyfloyd/led-pad
|contact=User:Polyfloyd,
|info=A simple remote control intended to be used with single color
LED-strips
|status=Beta
}}
The LED-Pad is a simple remote control intended to be used with single color
LED-strips.

![The LED-Pad assembled on a protoboard](img/assembled.jpg)

The color and brightness can be controlled via an analog joystick and a user
interface on a
[160x80 OLED display](https://nl.aliexpress.com/item/1-stks-IPS-0-96-inch-7-P-SPI-HD-65-K-Volledige-Kleur-OLED-Module/32857836858.html?spm=a2g0s.9042311.0.0.58cb4c4dN5Fwb4).
The display shows a HSV color spectrum with both gradients to dark and light
colors. To select a new color, move the cursor with the joystick to the desired
color.
![The color selection user interface](img/display-colsel.jpg)

The selected color is transmitted to a pre-configured MQTT server which is
connected to via WiFi. The MQTT message payload is a hex string of the
currently selected RGB color.

== Hardware ==
The heart of the LED-Pad is an ESP8266, an MCU with a WiFi transceiver on board.

The joystick used is from [Sparkfun](https://www.sparkfun.com/products/9032)
and has two potentiometers to signal the current position of the stick for each
respective axis.

The ESP8266 has only one analog input port, so I'm using a 4051 multiplexer IC
with which I can hook up to 8 analog inputs to this single input. The joystick
needs only two ports, so the selection line of the least significant bit is
connected to a digital pin on the ESP while the remaining two selection lines
are connected to the ground. The software rapidly toggles the selection line of
the 4051 so it can read from both axes.

The joystick's button is hooked up to a digital pin which is configured as an
input with internal pullup.

=== ESP8266 Connections ===
</pre>
| ESP8266 | Peripheral |
| ------- | ---------- |
| D3 | OLED RES |
| D2 | OLED DC |
| D1 | OLED CS |
| D5 | OLED SCL |
| D7 | OLED SDA |
| A0 | 4051 Z |
| D8 | 4051 S0 |
| D4 | JOY SEL |
</pre>