WifiLamp - Revision history

Bertrik Sikken at 07:50, 11 May 2020

2020-05-11T07:50:59Z

← Older revision		Revision as of 07:50, 11 May 2020
Line 3:		Line 3:
	\|Omschrijving=Investigating my Action WiFi enabled LED lamp		\|Omschrijving=Investigating my Action WiFi enabled LED lamp
	\|Picture=wifilamp.jpg		\|Picture=wifilamp.jpg
	\|Status=~~In progress~~		\|Status=Abandoned
	\|Contact=bertrik		\|Contact=bertrik
	}}		}}

2019-11-11T07:48:29Z

Protocol

← Older revision		Revision as of 07:48, 11 November 2019
Line 45:		Line 45:
	ec2-3-121-210-75.eu-central-1.compute.amazonaws.com.8886		ec2-3-121-210-75.eu-central-1.compute.amazonaws.com.8886

	~~The local protocol appears to use UDP (?).~~		There is a broadcast message sent by the lamp every 3 seconds or so, consisting of 172 bytes.
	There is ~~an UDP~~ broadcast message sent by the lamp every 3 seconds or so, consisting of 172 bytes.		The contents of the broadcast message do not depend on the lighting state of the lamp (brightness or colour temperature).
	The contents of the ~~UDP~~ broadcast message ~~does~~ not depend on the lighting state of the lamp (brightness or colour temperature).

	In both directions ~~a TCP~~ packet message to have the same structure.		In both directions the packet message to have the same structure.
	Example of a command to turn the lamp ON:		Example of a command to turn the lamp ON:

2019-11-11T07:47:29Z

Broadcast

2019-11-10T23:46:55Z

← Older revision		Revision as of 23:46, 10 November 2019
Line 14:		Line 14:

	More info:		More info:
	* https://www.action.com/nl-nl/p/lsc-smart-connect-slimme-multicolor-ledlamp-3/		* The E27 lamp, speaks the "Tuya" protocol, does NOT have an ESP8266, https://www.action.com/nl-nl/p/lsc-smart-connect-slimme-multicolor-ledlamp-3/
			* The E14 lamp, contains an ESP8266, https://www.action.com/nl-nl/p/lsc-smart-connect-slimme-multicolor-ledlamp/
	* https://www.letscontrolit.com/forum/viewtopic.php?t=6955		* https://www.letscontrolit.com/forum/viewtopic.php?t=6955
	* https://www.circuitsonline.net/forum/view/146361/1		* https://www.circuitsonline.net/forum/view/146361/1

2019-11-06T22:35:44Z

Protocol

← Older revision		Revision as of 22:35, 6 November 2019
Line 38:		Line 38:
	I sniffed the protocol using TCP dump, running on an OpenWRT based wireless router.		I sniffed the protocol using TCP dump, running on an OpenWRT based wireless router.
	My laptop, Android phone and the WiFi lamp were all connected to this router.		My laptop, Android phone and the WiFi lamp were all connected to this router.

			See https://images.tuyacn.com/smart/aircondition/Guide-to-Interworking-with-the-Tuya-MCU.pdf

	Changing the state of the lamp by the app causes a message to be sent to		Changing the state of the lamp by the app causes a message to be sent to

2019-11-06T22:14:21Z

Protocol

← Older revision		Revision as of 22:14, 6 November 2019
Line 46:		Line 46:
	The contents of the UDP broadcast message does not depend on the lighting state of the lamp (brightness or colour temperature).		The contents of the UDP broadcast message does not depend on the lighting state of the lamp (brightness or colour temperature).

	In both directions a TCP packet message to have the same structure of a command to turn the lamp ON:		In both directions a TCP packet message to have the same structure.
			Example of a command to turn the lamp ON:

	Command:		Command:
	* 00 00 55 AA: probably some kind of "magic header"		* 00 00 55 AA: probably some kind of "magic header"

2019-11-06T22:13:40Z

Protocol

2019-11-06T22:08:53Z

Protocol

@@ Line 42: / Line 42: @@
 ec2-3-121-210-75.eu-central-1.compute.amazonaws.com.8886
-The local protocol appears to use UDP.
+The local protocol appears to use UDP (?).
 There is an UDP broadcast message sent by the lamp every 3 seconds or so, consisting of 172 bytes.
 The contents of the UDP broadcast message does not depend on the lighting state of the lamp (brightness or colour temperature).
 === broadcast ===

2019-11-05T00:13:16Z

Broadcast

@@ Line 94: / Line 94: @@
 x00c0:  e9a5 9add 0000 aa55
 </pre>
 === Turn ON ===

2019-11-05T00:02:42Z

Protocol

← Older revision		Revision as of 00:02, 5 November 2019
Line 45:		Line 45:
	There is an UDP broadcast message sent by the lamp every 3 seconds or so, consisting of 172 bytes.		There is an UDP broadcast message sent by the lamp every 3 seconds or so, consisting of 172 bytes.
	The contents of the UDP broadcast message does not depend on the lighting state of the lamp (brightness or colour temperature).		The contents of the UDP broadcast message does not depend on the lighting state of the lamp (brightness or colour temperature).

			=== broadcast ===
			The broadcast message is 164 bytes, starts with 0000 55aa, and ends with 0000 aa55.

	== Capture ==		== Capture ==