4.1 Inch IOT Smart LCD Thermostat
Model: TC041C11 U(W) 04

Features:

● 4.1 Inches, 720xRGBx720, 16.7M Colors, IPS screen, WI-FI-Thermostat;

● With built-in speaker, temperature sensor and WIFI(optional), support remote control;

● RS485 Interface, 5.08mm Spacing connection terminal;

● IPS wide viewing angle: 85/85/85/85 (L/R/U/D), Best View: symmetrical;

● Convenient wall mounted installation;

● Dual Development System: DGUS II/ TA (Instruction set);

● With GUI & OS dual-core, GUI with rich controls. DWIN OS kernel is open to the user for the second-development, via DWIN OS language or KEIL C51.

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Specification

Display
Item	Parameter	Description
Color	16.7M(16777216)colors	24 bit color 8R8G8B
Panel Type	IPS	IPS TFT LCM ,wide viewing angle
Viewing Angle	85/85/85/85 (L/R/U/D)	Best View: symmetrical
Active Area(A.A)	73.98mm (W)*73.98mm (H)	720*720
View Area(V.A)	74.8mm (W) *74.8mm (H)	720*720
Resolution	720*720	Support 0°/90°/180°/270°rotated display
Backlight	LED	≥10000H(Continuous working with maximum brightness, time of brightness halves)
Brightness	250nit	100 levels adjustment(It's not recommend to set brightness to 1%~30% of the maximum, which may lead a flicker)
Note: You can use dynamic screen saver wallpapers to avoid afterimages caused by fixed page display for a long time.

Pin Definition
Item	Parameter	Description
1	VCC	Power input, 5V.
2	GND	GND
3	P13	P1.3 electric relay1 valve(IO3)
4	P11	P1.1 electric relay 2 low(IO1)
5	P12	P1.2 electric relay 4 high(IO2)
6	P14	P1.4 electric relay 3 middle(IO4)
7	NC	Undefined
8	TX2/5	UART2 and UART5 transmit data. (TX2 and TX5, logic AND)
9	RX2/5	UART2 and UART5 receive data. (RX2 and RX5 shorted)
10	TR5	Output for RS485 transmit/receive switching (TR5 and UART 2 self-transmit/receive control pin, logic OR)

Interface Detail Value
Item	Condition	Min	Typ.	Max	Unit
Baud Rate	TA Standard	7841	-	115200	bps
Baud Rate	DGUSⅡ Standard	239	-	115200	bps
Output Voltage (TXD)	Output 1, Iout = 1mA	3	3.2	-	V
Output Voltage (TXD)	Output 0, Iout = -1mA	-	0.1	0.2	V
Input Voltage (RXD)	Input 1, Iin = 1mA	2	3.3	5	V
Input Voltage (RXD)	Input 0, Iin = -1mA	-0.7	0	1.3	V
Interface	RS485
Socket	5.08mm Spacing connection terminal
USB	None
SD Card Slot	Yes (SDHC/FAT32 file format)

Memory
Item	Typ.	Features	Typ.	Unit	Description
FLASH (TA/DGUSⅡ)	16Mbytes	Space of Font	4-12	Mbytes	A single font of 256Kbytes,store font, icon libraries, and other binary files
FLASH (TA/DGUSⅡ)	16Mbytes	Picture Storage (.ICL file)	12-4	Mbytes	JPEG format(Picture quantity relate to JPEG size, size of a single JPEG image file should not exceed 248 Kbytes)
RAM (DGUSⅡ)	128Kbytes	Variable Storage Space	/	/	Data is not saved when power down
Nor Flash (DGUSⅡ)	512Kbytes	User database	/	/	Data is saved when power down

UI＆Peripheral
UI Version	TA / DGUSⅡ ( DGUSⅡ pre-installed )
Peripherals	Built-in Speaker, Built-in Temperature sensor, Built-in WIFI