Smart presence sensor T19SMWV01

Smart presence sensor T19SMWV01
https://bogza.ro/index.php/Smart_presence_sensor_T19SMWV01

Smart presence sensor T19SMW

Description

Sensor has been designed to have 3 motion / distance sensors that couple together to give an accurate reading of the presence inside one room.

Mechanical design

Design image	Implementation result	Thingiverse link
T19SMWV01 Mechanical design	File:T19SMWV01 mechanical photo.png T19SMWV01_mechanical photo	https://www.thingiverse.com/thing:3562903
To edit table: File:T19SMWV01 mechanical.tng

Specification

Modules used

Arduino Nano

ESP8266 ESP-12F Serial Port Module

Microwave Radar Detector Module RCWL-0516

HC-SR04 Distance Measuring Module

HC-SR501 Infrared PIR Motion Sensor Module

Bi-directional level converter 3V3 5V

Schematic

Software

Configuration

{{#snippet:repository=https://github.com/tinel-c/HomieTest.git%7Cfilename=platformio.ini%7Cstartline=10%7Cendline=20}}

IO config sheet

Arduino Nano

Mapping	Arduino PIN	Pin Function	Serial Pin	PORT	Board pin name		Board pin name	PORT	ADC	Serial Pin	Arduino PIN	Mapping
	1		TXD	PD1	TX1		VIN					5V
	0		RXD	PD0	RX0		GND					GND
				PC6	RST		RST	PC6
					GND		5V
	2	INT0		PD2	D2		A7		ADC7		A7
	3	OC2B / INT1		PD3	D3		A6		ADC6		A6
	4	XCK / T0		PD4	D4		A5	PC5	ADC5	SCL	19 A5	HV1_SCL
PIR-SIG	5	OC0B / T1		PD5	D5		A4	PC4	ADC4	SDA	18 A4	HV2_SDA
	6	OC0A / AIN0		PD6	D6		A3	PC3	ADC3		17 A3
	7	AIN1		PD7	D7		A2	PC2	ADC2		16 A2
	8	ICP1 / CLKO		PB0	D8		A1	PC1	ADC1		15 A1
	9	OC1A		PB1	D9		A0	PC0	ADC0		14 A0
	10	OC1B	~SS	PB2	D10		REF		AREF
	11	OC2	MOSI	PB3	D11		3V3
ECHO	12		MISO	PB4	D12		D13	PB5		SCK	13	TRIG
To edit table: File:Arduino-nano.tgn

HC-SR04

HC-SR04 Distance Measuring	Pin	Mapping
	VCC	POWER_IN
	Trig	TRIG
	Echo	ECHO
	GND	GND
To edit table: File:HC-SR04.tgn

ESP8266-12

Mapping	ADC	Serial	Pin	ESP8266-12	Pin	Serial	Mapping
			RESET		D1	TX0
	ADC		ADC		D3	RX0
			CHPD		D5	SCL	LV1_SCL
			D16		D4	SDA	LV2_SDA
LV4_SCK		SCK	D14		D0
		MISO	D12		D2	TX1	RADAR-SIG
		RX0* / MOSI	D13		D15	SS /TX0*
3V3			VCC		GND		GND
To edit table: File:ESP8266-12.tgn

Level Shifter

Mapping	Pin		Pin	Mapping
HV4_SCK	HV4		LV4	LV4_SCK
	HV3		LV3
GND	GND		GND	GND
POWER_IN	HV		LV	3V3
HV2_SDA	HV2		LV2	LV2_SDA
HV1_SCL	HV1		LV1	LV1_SCL
To edit table: File:Lvl-shifter-mosfet.tgn