NTG_PCB_V1

Ongoing

STD NTG_PCB_V1

Analog

Digital

Arduino

License: Public Domain

Mode:

Editors' pick

Update time： 2024-09-17 10:42:14

Creation time： 2024-02-26 13:54:40

Description

HVAC PCB-based Arduino Uno R3.

Contains:

4...20mA to 0-5V convertor.

35V to 7V.

TFT screen SPI bus.

Link to GitHub:
https://github.com/galarb/DewControl

Arduino Pin:	I/O:	Assignment:
A0	Input	Reading Valve Status.
A1	Input	Reading Pipe Temperature.
A2	Input	Reading Relative Humidity Percentage.
A3	Input	Reading Air Temperature.
A4	Input	Reading Potentiometer Status and set the SP.
D2	Input(Pull_Up)	Reading Button Status.
D3	Input	Reading state of Encoder.
D4	Input	Reading state of Encoder.
D5	Output	Valve Control
D6	Input(Pull_Up)	Alarm Acknowlege
D8	Output	Reset TFT.
D9	Output	DC TFT.
D10	Output	CS TFT.
D11	Output	Mosi TFT.
D12	Output	Miso TFT.
D13	Output	SCK TFT.

By - NTG Solutions.

Design Drawing

schematic diagram

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PCB

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PCB_NTG.S_Floorheating
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity	Manufacturer Part
1	HX 2.54MM-2P ZZ	VALVE,24DC(IN),TXRX,KILLSW,RST,PIPETEMP,RH,VALVESTATUS,AIRTEMP,ALARMACK,D7	CONN-TH_2P-P2.50_HX-2.54MM-4P-ZZ-MS	11	2.54mm-2P ZZ	C5368775
2	Header-Male-2.54_1x2	PWRBYPAS	HDR-TH_2P-P2.54-V-M-1	1	826629-2	C86471
3	Header-Female-2.54_1x2	CONVERTOR(IN+),CONVERTOR(IN-),CONVERTOR(OUT+),CONVERTOR(OUT-),VALVE(IN)2,VALVE(IN),VALVE(IN)1,VALVE(IN)3,VALVE(IN)4,VALVE(IN)5	HDR-TH_2P-P2.54-V-F	10	2.54-1*2P母	C49661
4	Header-Female-2.54_1x6	A0-1,A0-5	HDR-TH_6P-P2.54-V-F	2	2.54-1*6P母	C40877
5	Header-Female-2.54_1x8	D0-1,IOREF-VIN1,D0-7,IOREF-VIN	HDR-TH_8P-P2.54-V-F-1	4	2.54-1*8P母环保	C27438
6	PM254-1-10-Z-8.5	D1-AREF,D8-AREF	HDR-TH_10P-P2.54-V-F	2	PM254-1-10-Z-8.5	C2897373
7	LED-TH-3mm_G	LED1,LED2	LED-TH_BD3.0_GREEN	2	204-10SYGD/S530-E3	C85161
8	300Ω	R16	RES-TH_BD2.3-L6.5-P10.50-D0.5	1	MF1/4W-120Ω±1% T	C119306
9	10KΩ	R2,R4,R5,R6,R7	RES-TH_BD2.3-L6.5-P10.50-D0.5	5	MF1/4W-1KΩ±1%T52	C713997
10	20KΩ	R8,R9,R10,R11,R12,R13	RES-TH_BD2.3-L6.5-P10.50-D0.5	6	MF1/4W-1KΩ±1%T52	C713997
11	PM254-1-14-Z-8.5	U3	HDR-TH_14P-P2.54-V-F-1	1	PM254-1-14-Z-8.5	C2897377
12	1kΩ	R17	RES-TH_BD2.3-L6.5-P10.50-D0.5	1	MF1/4W-1KΩ±1%T52	C713997
13	10kΩ	R1,R14,R15	RES-TH_BD2.3-L6.5-P10.50-D0.5	3	MF1/4W-1KΩ±1%T52	C713997
14	XH-9A_C2908607	TFT	CONN-TH_9P-P2.50_HCTL_XH-9A	1	XH-9A	C2908607
15	I2C1	U1	CONN-TH_4P-P2.50-V-M	1	2.54mm-4P ZZ	C5368777
16	I2C2	U2	CONN-TH_4P-P2.50-V-M	1	2.54mm-4P ZZ	C5368777
17	PIPETEMP(DC/OUT)	H1	HDR-TH_5P-P2.54-V-F	1	2.54-1*5P母	C50950
18	AIRTEMP(DC/OUT)	H2	HDR-TH_5P-P2.54-V-F	1	2.54-1*5P母	C50950
19	RH(DC/OUT)	H3	HDR-TH_5P-P2.54-V-F	1	2.54-1*5P母	C50950
20	PIPETEMP(IN)	P1	HDR-TH_3P-P2.54-V-F	1	2.54-1*3P母	C146243
21	RH(IN)	P2	HDR-TH_3P-P2.54-V-F	1	2.54-1*3P母	C146243
22	AIRTEMP(IN)	P3	HDR-TH_3P-P2.54-V-F	1	2.54-1*3P母	C146243
23	Female Header	H5	FEMALE HEADER 1X4P 2.54MM	1	X6511FV-04-C85D32	C718241
24	Female Header 1x4P 2.54mm	H6	FEMALE HEADER 1X4P 2.54MM	1	X6511FV-04-C85D32	C718241
25	1X4 PIN HEADER MALE	H7,H8	PIN-HEADER-210S-1X4P WK	2	210S-1*8P L=11.6MMGold-plated black	C124381
26	encoder	CN1	CONN-TH_5P-P2.50_XH-5A_C2318	1	XH-5A	C2318