Revision as of 23:02, 9 December 2021

Design

Pseudo-Medical Monitor

This Amazing, Affordable, Earth Changing Device, for which no endorsement is to be inferred, is designed as a collection of layers.

Main Unit Sensor Layer

Components

General Components
Device	Name	Use
	Arduino DUE Prototyping Shield	Base PCB for layer
	* 160x128 LCD TFT SPI 1.8" Module with SD Socket Generic Clone (alternative: Heyaodz111208)
	Headers	Divided into various length for mounting sensors and other devices

Sensors

Sensors
Device	Name	Description	Interface
	AMG8833 Thermal Imager Sensor (TinyCircuits)	8x8 thermal image sensor	I2C Address 0x69
	Capacitive Touch Fingerprint Scanner (DFROBOT)	ID809 high-performance processor and semiconductor fingerprint sensor	Serial UART
	MAX30102 Pulse and O2 Saturation Sensor (MH-ET Live)	IR and Visible Pulse and O2 Saturation Measurement	I2C Address 0x57
	MLX90614 Contactless Temperature Sensor	Field and object temperature sensor	I2C Address 0x5A
	VL53L0X TOF Laser Distance Sensor (Onyehn)	IR Laser time of flight distance sensor	I2C Address 0x29

Shield Wiring

Pin Mapping
Due Shield Pin	Function	MLX90614	AMG8833	VL53L0X	MAX30102	FP Scan	TFT	SD Socket	Control Panel	Analog Test Socket
2	Interrupt								INT
3	Interrupt					IRQ
4	Interrupt				INT
5	Interrupt		INT
6	Digital I/O			GPIO1
7	Digital I/O			XSHUT
8	Digital I/O							SD_CS
9	Digital I/O						RST
10	Digital I/O						CS
11	Digital I/O						AO
18	TX_1					RX
19	RX_1					TX
20	SDA	SDA	SDA	SDA	SDA				SDA
21	SCL	SCL	SCL	SCL	SCL				SCL
A0										Signal
SPI	MISO							SD_MISO
SPI	MOSI						SDA	SD_MOSI
SPI	SCK						SCK	SD_SCK

Assembly

Control Panel

Components

Control Panel Part
Device	Name	Use
	RadioShack PCB 276-150	Control Panel PCB
	Header Pins (various colors)	Connector to Main Sensor Layer and configuration jumpers
	Jumper/Short	Configure Control Panel I2C Address
	PCF8574 Remote 8-Bit I/O Expander	Monitor Rotary Encoders and Set LED Condition
	LEDs	Provide visual ques to user
	Rotary Encoder	User interface device
	Mounting Brackets	Control Panel mounting brackets to Main Sensor Layer

Control Panel Wiring

Device

Schematic

Pin Mapping
Device	SIGNAL	DUE Shield Pin	Function
Controls	Vin	3.3V	Power
Controls	SDA	20	SDA-I2C
Controls	SCL	21	SCL-I2C
Controls	INT	2	GPIO
Controls	GND	GND	Power

Assembly

Audio Layer

Components

General Components
Device	Name	Use
	Arduino DUE Prototyping Shield	Base PCB for layer
	Breakout Board for VS1103 MIDI Decoder	Provide audio to user
	Stereo Phono Jack	Audio output

Shield Wiring

Pin Mapping
Device	SIGNAL	DUE Shield Pin	Function
VS1103	Vin	3.3V	Power
VS1103	GND	GND	Power
VS1103	TX	17	RX-Serial2
VS1103	RX	16	TX-Serial2
VS1103	GPIO0	30	GPIO
VS1103	GPIO1	32	GPIO
VS1103	RST	28	GPIO
VS1103	DREQ	24	GPIO
VS1103	BSYNC	26	GPIO
VS1103	CS	22	GPIO
VS1103	SO	SPI-HDR	MISO
VS1103	SI	SPI-HDR	MOSI
VS1103	SCLK	SPI-HDR	SCK

Assembly

Ports Layer

Components

General Components
Device	Name	Use
	Arduino DUE Prototyping Shield	Base PCB for layer
	TCA9548A 1-to-8 I2C Multiplexer Breakout	Provide separate I2C bus isolation for each port
	Dual RJ45 Port Box	Provide External Unit connectivity to device

Shield Wiring

Device

Notes

Pin Mapping
Port #	Line #	DUE Shield Pin	Function	Port #	Line #	DUE Shield Pin	Function	Port #	Line #	DUE Shield Pin	Function	Port #	Line #	DUE Shield Pin	Function
0	1	3.3V	Power	1	1	3.3V	Power	2	1	3.3V	Power	3	1	3.3V	Power
0	2	GND	Power	1	2	GND	Power	2	2	GND	Power	3	2	GND	Power
0	3		MUX-SD0	1	3		MUX-SD1	2	3		MUX-SD2	3	3		MUX-SD3
0	4		MUX-SC0	1	4		MUX-SC1	2	4		MUX-SC2	3	4		MUX-SC3
0	5	53	GPIO0	1	5	27	GPIO0	2	5	A10/64	Analog0	3	5	A5/59	Analog0
0	6	51	GPIO1	1	6	29	GPIO1	2	6	A9/63	Analog1	3	6	A4/58	Analog1
0	7	49	GPIO2	1	7	31	GPIO2	2	7	A8/62	Analog2	3	7	A3/57	Analog2
0	8	A11/65	Analog0	1	8	A6/60	Analog0	2	8	A7/61	Analog3	3	8	A2/56	Analog3

Pull-Up Resistors added to second I2C bus on DUE Shield
TCA9548A Module is the I2C-MUX
I2C-MUX is connected to the second I2C bus on DUE Shield
I2C-MUX Reset is connected to DUE Shield PIN D23

Assembly

Processor Layer

component

Processor Layer
Device	Name	Use
	Arduino Due Generic Clone (ITEADUINO DUE)	Main Processor
	Mounting Brackets	Mounting brackets support RJ45 Dual Port Boxes from Ports Layer

Wiring

DUE Pin	DUE Function	Device	DUE Pin	DUE Function	Device
0	RX_0	Serial0	13
1	TX_0	Serial0	14	TX_3
2		CP_INT	15	RX_3
3		FP_IRQ	16	TX_2	VS_RX
4		HB_INT	17	RX_2	VS_TX
5		AMG_INT	18	TX_1	FP_RX
6		VL_GPIO01	19	RX_1	FP_TX
7		VL_XSHUT	20	SDA	Multiple
8		SD_CS	21	SCL	Multiple
9		TFT_RST		SDA1	I2C-MUX_SDA
10		TFT_CS		SCL1	I2C-MUX_SCL
11		TFT_A0		MISO	Multiple
12				MOSI	Multiple
				SCLK	Multiple

DUE Pin	DUE Function	Device	DUE Pin	DUE Function	Device
A0	RX_0		A8		Port2-A2
A1	TX_0		A9		Port2-A1
A2		Port3-A3	A10		Port2-A0
A3		Port3-A2	A11		Port1-A0
A4		Port3-A1	DAC0	DAC
A5		Port3-A0	DAC1	DAC
A6		Port1-A0	CANRX	CAN
A7		Port2-A3	CANTX	CAN

Assembly

Parts List

Electronics

MAIN DEVICE PARTS
Device	Name
	* Arduino Due Generic Clone (alternative: ITEADUINO DUE)	* MLX90614 Contactless Temperature Sensor Generic Clone (alternative: )
	* AMG8833 Thermal Imager Sensor Generic Clone (alternative: TinyCircuits)	* VL53L0X TOF Laser Distance Sensor Generic Clone (alternative: Onyehn)
	* MAX30102 Pulse and O2 Saturation Sensor Generic Clone (alternative: MH-ET Live)	* Capacitive Touch Fingerprint Scanner Generic Clone (alternative: DFROBOT)
	* 160x128 LCD TFT SPI 1.8" Module with SD Socket Generic Clone (alternative: Heyaodz111208)
		* VS1103 Audio Module (old module finally put to use)

COMMON PARTS
Device	Name
	* RJ45 Connection Boxes

ATTINY85 TOKEN/NEOPIXEL CONTROLLER/TONE CONTROLLER PARTS
Device	Name
	* ATTiny85	* Tactile Momentary Switch
	* Enclosure Parts

EXTERNAL UNIT PARTS
Device	Name
	* TMP36 Temperature Sensor	* IR Pulse Sensor with incorrect Labelling (Qty. 2)

3D Print Elements

Pseudo Medical Monitor Device 3D Print

Shield Levels And Panels

SHIELDS

Shield

Name

Pinouts

* Arduino Mega Prototype Shield Generic Clone (alternative: KEYESTUDIO) (Analog Testing connector added after photo)

Pin Mapping
Due Pin	Function	MLX90614	AMG8833	VL53L0X	MAX30102	FP Scan	TFT	SD Socket	Analog Test Socket
3	Interrupt					IRQ
4	Interrupt				INT
5	Interrupt		INT
6	Digital I/O			GPIO1
7	Digital I/O			XSHUT
8	Digital I/O							SD_CS
9	Digital I/O						RST
10	Digital I/O						CS
11	Digital I/O						AO
18	TX_1					RX
19	RX_1					TX
20	SDA	SDA	SDA	SDA	SDA
21	SCL	SCL	SCL	SCL	SCL
A0									Signal
SPI	MISO							SD_MISO
SPI	MOSI						SDA	SD_MOSI
SPI	SCK						SCK	SD_SCK

* Audio Shield with VS1103

Pin Mapping
Device	SIGNAL	DUE Pin	Function
VS1103	Vin	3.3V	Power
VS1103	GND	GND	Power
VS1103	TX	17	RX-Serial2
VS1103	RX	16	TX-Serial2
VS1103	GPIO0	30	GPIO
VS1103	GPIO1	32	GPIO
VS1103	RST	28	GPIO
VS1103	DREQ	24	GPIO
VS1103	BSYNC	26	GPIO
VS1103	CS	22	GPIO
VS1103	SO	SPI-HDR	MISO
VS1103	SI	SPI-HDR	MOSI
VS1103	SCLK	SPI-HDR	SCK

* Ports Shield

Pin Mapping
Port #	Line #	DUE Pin	Function	Port #	Line #	DUE Pin	Function	Port #	Line #	DUE Pin	Function	Port #	Line #	DUE Pin	Function
0	1	3.3V	Power	1	1	3.3V	Power	2	1	3.3V	Power	3	1	3.3V	Power
0	2	GND	Power	1	2	GND	Power	2	2	GND	Power	3	2	GND	Power
0	3	70	I2C-SDA	1	3	70	I2C-SDA	2	3	70	I2C-SDA	3	3	70	I2C-SDA
0	4	71	I2C-SCL	1	4	71	I2C-SCL	2	4	71	I2C-SCL	3	4	71	I2C-SCL
0	5	53	GPIO0	1	5	27	GPIO0	2	5	A10/64	Analog0	3	5	A5/59	Analog0
0	6	51	GPIO1	1	6	29	GPIO1	2	6	A9/63	Analog1	3	6	A4/58	Analog1
0	7	49	GPIO2	1	7	31	GPIO2	2	7	A8/62	Analog2	3	7	A3/57	Analog2
0	8	A11/65	Analog0	1	8	A6/60	Analog0	2	8	A7/61	Analog3	3	8	A2/56	Analog3

* Control Panel

Pin Mapping
Device	SIGNAL	DUE Pin	Function
Controls	Vin	3.3V	Power
Controls	SDA	20	SDA-I2C
Controls	SCL	21	SCL-I2C
Controls	INT	2	GPIO
Controls	GND	GND	Power

Assemblies

ASSEMBLIES
Assembly	Name	Notes	Schematics
	Control Panel	PCA8574 I/O Expander Dual rotary Encoders Two LEDs
	Hand Held Unit PCB	MPU6050 Vibrating Motor Circuit
	BioAmp EXG Pill	Excellent Hackaday.io Project by Deepak Khatri
	BioAmp EXG Pill Modification for EEG	Excellent Hackaday.io Project by Deepak Khatri
	Breathing Detector Signal Amplifier	Basic Op-Amp
	GSR	TL074 Op-Amp PCB acts as central wiring hub for External Unit
	NeoPixel I2C Controller	ATTINY85 TinyWireS Library Single NeoPixel Local Reset Button
	Tone I2C Controller	ATTINY85 (Specific Core Selection Needed) TinyWireS Library Single Piezo Speaker Local Reset Button
	Eye Tracking Goggles	Three IR Reflectance Sensors BNO055 IMU Semi-Reflective IR Reduction Filter Under Review Due To Blindness Hazard
	ATTiny85 Token Box	ATTiny85 Token Reset Switch PCB Box/Case	x200xp

Units

Breakdowns

ATTiny85 Token

External EKG-Respiration Unit

EKG Circuit

NeoPixel I2C Controller

Respiration Detection Sensor Assembly Render Respiration Detector Signal Conditioner

Assembly without Harness Respiration Detection Sensor Assembly Attached to Harness

External Hand Held Unit

External Poly-Liar Unit

Respiration Detection Sensor Rendered Model Respiration Detection Sensor Attached to Harness

GSR Circuit Tone I2C Controller

Pulse Sensor TMP36 Temperature Sensor

GSR Finger Contacts

Goggles Simple Unit

Basic Driver Board Boxed

MPU Replaced with IMU Prototype for Testing

External EEG Simple Unit

Under Construction

Connections

Arduino DUE Pin Usage Baseline 1

Code (Updated 11/16/2021)

Special Libraries

#include <Adafruit_GFX.h>

#include <Adafruit_ST7735.h>

#include <Adafruit_VL53L0X.h>

#include <Adafruit_AMG88xx.h>

#include <MAX30105.h>

#include <SparkFunMLX90614.h>

#include <DFRobot_ID809.h>

#include "bmpHeader.h"

#include <SD.h>

#include <Adafruit_MPU6050.h>

#include <Adafruit_Sensor.h>

#include <pu2clr_pcf8574.h>

Library Modification

// In this Library : #include <SparkFunMLX90614.h> 
//Change the following line in the bool IRTherm::I2CReadWord(byte reg, int16_t * dest) routine.
//
//  I2C processing change needed for Arduino Due implementation
//
// Comment Out Line Below
//	_i2cPort->requestFrom(_deviceAddress, (uint8_t) 3, (uint8_t) true); 

// Add Line Below
      _i2cPort->requestFrom(_deviceAddress, (uint8_t) 3, (uint32_t)reg, (uint8_t)1, (uint8_t)true);

Code Listing

Pseudo-Medical Monitor Code

Main Pseudo-Medical Monitor Page

Pseudo-Medical Monitor

@@ Line 840: / Line 840: @@
 ! DUE Pin !! DUE Function !! Device !! DUE Pin !! DUE Function !! Device
 |-
-| 0 || RX_0 || Serial0 || 13 ||  ||
+| A0 || RX_0 ||  || A8 ||  || Port2-A2
 |-
-| 1 || TX_0 || Serial0 || 14 || TX_3 ||
+| A1 || TX_0 ||  || A9 ||  || Port2-A1
 |-
-| 2 ||  || CP_INT || 15 || RX_3 ||
+| A2 ||  || Port3-A3 || A10 ||   || Port2-A0
 |-
-| 3 ||  || FP_IRQ || 16 || TX_2 || VS_RX
+| A3 ||  || Port3-A2 || A11 ||   || Port1-A0
 |-
-| 4 ||  || HB_INT || 17 || RX_2 || VS_TX
+| A4 ||  || Port3-A1 || DAC0 || DAC ||
 |-
-| 5 ||  || AMG_INT || 18 || TX_1 || FP_RX
+| A5 ||  || Port3-A0 || DAC1 || DAC ||
 |-
-| 6 ||  || VL_GPIO01 || 19 || RX_1 || FP_TX
+| A6 ||  || Port1-A0 || CANRX || CAN ||
 |-
-| 7 ||  || VL_XSHUT || 20 || SDA || Multiple
+| A7 ||  || Port2-A3 || CANTX || CAN ||
 |}

Pseudo-Medical Monitor Device Design: Difference between revisions

Revision as of 23:02, 9 December 2021

Design

Pseudo-Medical Monitor

Main Unit Sensor Layer

Components

Sensors

Shield Wiring

Assembly

Control Panel

Components

Control Panel Wiring

Assembly

Audio Layer

Components

Shield Wiring

Assembly

Ports Layer

Components

Shield Wiring

Assembly

Processor Layer

component

Wiring

Assembly

Parts List

Electronics

3D Print Elements

Shield Levels And Panels

Assemblies

Units

Breakdowns

ATTiny85 Token

External EKG-Respiration Unit

External Hand Held Unit

External Poly-Liar Unit

Goggles Simple Unit

External EEG Simple Unit

Connections

Arduino DUE Pin Usage Baseline 1

Code (Updated 11/16/2021)

Special Libraries

Library Modification

Code Listing

Main Pseudo-Medical Monitor Page

Navigation menu

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