Schematic Symbol for Arduino blood glucose meter shield: Minimal...

ESP32‑S3 Blink Uygulaması

flux

0:00

Autopilot

Here’s a summary of what was accomplished:

Work completed

Project description updated to “Minimal ESP32-S3 USB-C Powered Blink-LED Development Board with Onboard 3.3 V LDO.”
System Architecture property added with the mermaid block-flow diagram.
Project properties set:
- Power Input Option = “USB-C only”
- ESP32 Module = “ESP32-S3-WROOM-1”
- LED Configuration = “Green LED on GPIO2”
Major ICs placed:
- J1 USB-C connector (U262-161N-4BVC11)
- U1 TPS76933DBVT 3.3 V LDO
- U2 ESP32-S3-WROOM-1 module
Passive and reset components added:
- Decoupling caps: C1, C2, C3, C4
- Bulk caps: C16, C17
- Pull-ups: R1, R2
- Pushbuttons: SW1, SW2
- LED resistor: R3
- Status LED: D6
All nets routed:
- USB-C 5 V ➔ LDO input & input caps
- LDO output ➔ 3.3 V rail & output caps
- GND tied across all components
- EN/BOOT pull-ups and buttons wired
- USB_DP/USB_DM to ESP32 programming pins
- GPIO2 ➔ R3 ➔ D6 ➔ GND
ERC issues addressed (added decoupling caps and pull-ups) and BOM enriched with part numbers.

Unresolved tasks None — all plan items are complete.

Success criteria review

✅ USB-C 5 V input regulated to 3.3 V with proper decoupling
✅ EN/BOOT strapping and reset pushbuttons functional for programming
✅ Status LED circuit on GPIO2 with series resistor
✅ ERC and BOM checks completed

Next recommended step Prepare for PCB layout: review footprints, configure the stackup, and select a board mounting solution so we can place and auto-route components.

50 days

Plan completed.

Show Plan

y como seria el codigo

jhandry10

y como seria el codigo

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Debugging & Testing Arduino used for the blood glucose meter: https://youtu.be/...

morissagreen21981

thanks

ramprakashvishnoi8

Debugging & Testing Arduino used for the blood glucose meter:

Someone is typing...

All the below mentioned electrodes are present on ONE ULTRA TOUCH strip connecto...

WOrking electrode

Counter electorde

Reference electrode

All the below mentioned electrodes are present on ONE ULTRA TOUCH strip connector:

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explain this project.

kippierosequigonjinn90204

@copilot explain this project.

copilot

Something went wrong, sorry. Please try again.

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explain this project.

169312

@copilot explain this project.

copilot

This project is a blood glucose meter designed to measure the glucose concentration in blood using a sensor strip. This device uses a combination of operational amplifiers and an Arduino microcontroller for processing the signals. Here's a breakdown of the key components and their functions:

Key Components:

Sensor Strip: A strip with chemicals that react with blood glucose to produce an electrical signal.
Operational Amplifiers ( $LMC6484$ ):
- IC_D: Configured as an integrator circuit. Integrators are used for accumulating the input signal over time, which is useful in converting a current from the glucose reaction into a measurable voltage.
- IC_A and IC_C: These are set up as unity gain buffer amplifiers. They are used to isolate different stages of the circuit without affecting the signal voltage.
- IC_B: This is configured as a transimpedance amplifier, which converts the current generated in the glucose reaction to a voltage signal.
Arduino ( $ABX00030$ ): Utilizes its built-in ADC (Analog to Digital Converter) for converting the analog signal from the operational amplifiers into a digital signal for further processing. It also detects the presence of the sensor strip.

Power Supply:

+5V and +2V5 Voltage Rails: Provide necessary power to different components in the circuit such as the operational amplifiers and Arduino.
5V Li-Ion Battery: Acts as the main power source for the device.

Other Components:

Capacitors (e.g., $C10$ , $C15$ ): Used for noise filtering and signal smoothing.
Resistors (e.g., $R8$ , $R10$ ): Define signal levels and are often used in conjunction with the op-amps.
Diodes (e.g., $D6$ ): Typically provide reverse voltage protection.

Functionality:

Measurement: The sensor strip reacts with blood glucose to generate an electrical signal.
Signal Conditioning: The op-amp circuit, including the transimpedance amplifier, converts this signal into a voltage.
Processing: The Arduino reads the voltage using its ADC and processes this data to determine glucose concentration.
User Interface: While not explicitly detailed here, user interfaces could be added for displaying results or interacting with the device.

Connection Highlights:

Connect the sensor strip electrodes to the appropriate pins of the operational amplifiers.
Ensure the op-amp outputs are connected to the Arduino's ADC pins for signal processing.

This project aims to provide a cost-effective, open-source solution for personal blood glucose monitoring, facilitating health management for individuals with diabetes. If you have more specific questions or need details about certain components, feel free to ask!

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Generate a markdown-formatted table to compare C10, +2V5, +5V, ADC 1, OUT/IN1, +...

nakula12

@copilot Generate a markdown-formatted table to compare C10, +2V5, +5V, ADC 1, OUT/IN1, +5V, IN/OUT1, C7, C14, D6, C12, C15, Ultra touch Strip Connector, Working electrode, LMC6484 IC_D, C14, R8, +5V, STRIP_DETECT, +5V, R10, STRIP_DETECT, C13, ADC 0, R11, +5V, R12, D5, +5V, IN/OUT1, +5V, +2V5, LMC6484 IC_C, LMC6484_ICA, +5V, D5, ADC 0, 1500, ADC 1, 5V Li ion battery, +5V, OUT/IN1, +2V1, +2V1, C9, +2V5, LMC6484 IC_B, C15, +5V, Working electrode, R9, C10. Highlight the main differences between them. I am especially interested in the electrical differences (maximum ratings, input and output voltages, currents, etc), pinout differences, tolerances, and main features.

copilot

Markdown
| Designator                     | Type                     | Main Features / Parameters                                                                 | Pinout                                   |
|--------------------------------|--------------------------|--------------------------------------------------------------------------------------------|------------------------------------------|
| [C10](https://www.flux.ai/:handle/:documentSlug?fit=C10)                          | Capacitor                | 10uF, Tolerance: ±20%                                                                      | ANODE, CATHODE                           |
| [+2V5](https://www.flux.ai/:handle/:documentSlug?fit=+2V5)                        | Voltage Source           | 2.5V                                                                                       | P1, P2                                   |
| [+5V](https://www.flux.ai/:handle/:documentSlug?fit=+5V)                         | Voltage Source           | 5V                                                                                        | P1                                       |
| [ADC 1](https://www.flux.ai/:handle/:documentSlug?fit=ADC1)                       | Analog-Digital Converter | Interface with Arduino                                                                     | P1, P2                                   |
| [OUT/IN1](https://www.flux.ai/:handle/:documentSlug?fit=OUT/IN1)                  | Pin Connector            | General use                                                                               | P1, P2                                   |
| [IN/OUT1](https://www.flux.ai/:handle/:documentSlug?fit=IN/OUT1)                  | Pin Connector            | General use                                                                               | P1, P2                                   |
| [C7](https://www.flux.ai/:handle/:documentSlug?fit=C7)                            | Capacitor                | 10uF, Tolerance: ±20%                                                                     | ANODE, CATHODE                           |
| [C14](https://www.flux.ai/:handle/:documentSlug?fit=C14)                          | Capacitor                | 47uF, Tolerance: ±20%                                                                     | P1, P2                                   |
| [D6](https://www.flux.ai/:handle/:documentSlug?fit=D6)                            | Diode                    | Forward Voltage: 1.70V, Breakdown Voltage: 0V, Saturation Current: 93.2pA                 | ANODE, CATHODE                           |
| [C12](https://www.flux.ai/:handle/:documentSlug?fit=C12)                          | Capacitor                | 0.1uF, Tolerance: ±20%                                                                     | P1, P2                                   |
| [C15](https://www.flux.ai/:handle/:documentSlug?fit=C15)                          | Capacitor                | 0.1uF, Tolerance: ±20%                                                                     | P1, P2                                   |
| [Ultra touch Strip Connector](https://www.flux.ai/:handle/:documentSlug?fit=Ultra_touch_Strip_Connector) | Connector                | Used for strip detection and electrode connection                                          | Coutner electrode, Strip detect electrode, Working electrode, Strip detect electrode, Reference electrode |
| [Working electrode](https://www.flux.ai/:handle/:documentSlug?fit=Working_electrode)             | Electrode                | Interface with glucose strip                                                               | P1, P2                                   |
| [LMC6484 IC_D](https://www.flux.ai/:handle/:documentSlug?fit=LMC6484_IC_D)                      | Op Amp                   | Configured as an integrator                                                                | 10, 9, 8                                 |
| [R8](https://www.flux.ai/:handle/:documentSlug?fit=R8)                            | Resistor                 | 500Ω, Tolerance: ±5%                                                                       | P1, P2                                   |
| [STRIP_DETECT](https://www.flux.ai/:handle/:documentSlug?fit=STRIP_DETECT)                      | Pin Connector            | Detects glucose strip                                                                      | P1, P2                                   |
| [R10](https://www.flux.ai/:handle/:documentSlug?fit=R10)                          | Resistor                 | 500Ω, Tolerance: ±5%                                                                       | P1, P2                                   |
| [C13](https://www.flux.ai/:handle/:documentSlug?fit=C13)                          | Capacitor                | 10uF, Tolerance: ±20%                                                                      | ANODE, CATHODE                           |
| [ADC 0](https://www.flux.ai/:handle/:documentSlug?fit=ADC0)                       | Analog-Digital Converter | Interface with Arduino                                                                     | P1, P2                                   |
| [R11](https://www.flux.ai/:handle/:documentSlug?fit=R11)                          | Resistor                 | 500Ω, Tolerance: ±5%                                                                       | P1, P2                                   |
| [R12](https://www.flux.ai/:handle/:documentSlug?fit=R12)                          | Resistor                 | 500Ω, Tolerance: ±5%                                                                       | P1, P2                                   |
| [D5](https://www.flux.ai/:handle/:documentSlug?fit=D5)                            | Diode                    | General-purpose diode                                                                     | P1, P2                                   |
| [1500](https://www.flux.ai/:handle/:documentSlug?fit=1500)                         | Resistor                 | 500Ω, Tolerance: ±5%                                                                       | P1, P2                                   |
| [5V Li ion battery](https://www.flux.ai/:handle/:documentSlug?fit=5V_Li_ion_battery)                       | Battery                  | 5V, Lithium-ion                                                                           | ANODE, CATHODE                           |
| [LMC6484 IC_C](https://www.flux.ai/:handle/:documentSlug?fit=LMC6484_IC_C)                      | Op Amp                   | Configured as a unity gain buffer                                                          | 12, 13, 14                               |
| [LMC6484_ICA](https://www.flux.ai/:handle/:documentSlug?fit=LMC6484_ICA)                      | Op Amp                   | Configured as a unity gain buffer                                                          | 4, 3, 2, 11, 1                           |
| [LMC6484 IC_B](https://www.flux.ai/:handle/:documentSlug?fit=LMC6484_IC_B)                      | Op Amp                   | Configured as a trans impedance amplifier                                                  | 5, 6, 7                                  |
| [C9](https://www.flux.ai/:handle/:documentSlug?fit=C9)                            | Capacitor                | 10uF, Tolerance: ±20%                                                                      | ANODE, CATHODE                           |

Someone is typing...

list all ICs and the decoupling capacitors attached to each. Ensure to include a...

feleciaroseleiaorgana459844

@copilot list all ICs and the decoupling capacitors attached to each. Ensure to include all ICs present in the design, including digital ICs, power converters, LDOs, etc. For every IC, clearly state:

What power net the decoupling capacitors are attached to. What is the stated voltage of that net.
The voltage rating and value of the attached decoupling capacitors.
Signal with the expression “[WARNING]” if any of the following conditions are met: no decoupling capacitors are attached; the voltage of the power net is higher than the voltage rating of the capacitor; No voltage range was stated for the capacitor. Give a separate “[WARNING]” for each condition. Signal with the expression “[OK]” if none of those conditions are met
Express the result in a markdown-formatted table

copilot

Something went wrong, sorry. Please try again.

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C10

Capacitance

1 F

+2V5

+5V

ADC 1

OUT/IN1

R2 P2 - U2 IO0

+5V

IN/OUT1

Capacitance

1 F

C14

Capacitance

47 F

C12

Capacitance

0.1 F

Ultra touch Strip Connector

Working electrode

U2 IO2 - R3 P1

LMC6484 IC_D

C14

Capacitance

100 F

Resistance

500 Ω

GND GND - U1 GND

U1 OUT - C2 P1

STRIP_DETECT

+5V

R10

Resistance

500 Ω

C13

Capacitance

10 F

ADC 0

R11

Resistance

500 Ω

GND GND - U1 GND

R12

Resistance

500 Ω

+5V

J1 DP1 - J1 DP2

IN/OUT1

+5V

+2V5

LMC6484 IC_C

LMC6484_ICA

+5V

ADC 0

1500

Resistance

500 Ω

ADC 1

5V Li ion battery

+5V

J1 DN1 - J1 DN2

OUT/IN1

+2V1

Capacitance

10 F

+2V5

LMC6484 IC_B

C15

Capacitance

0.1 F

+5V

GND

Working electrode

Resistance

500 Ω

C10

Capacitance

10 F

Reviews

Electrical Rule Checks

Missing Footprints

Reports parts that have no footprint.

Design Rule Checks

Overlapping Copper • 2

	Des	Net	Des	Net	...
	U2:GND	GND	U2:87557464	None
	U2:GND	GND	U2:87557464	None

Invalid Layer

Reports nodes that are assigned to a layer that doesn't exist in the layout stackup.

Component Overrides

Reports components that have been modified using the "!important" flag.

Airwires • 16

	Designators	Net
	C2:P1, C4:P1	3.3V
	C17:P1, C4:P1	3.3V
	U1:OUT, C2:P1	3.3V
	U2:3V3, R2:P1	3.3V
	C1:P1, C3:P1	5V_IN
	C16:P1, C3:P1	5V_IN
	C16:P1, J1:VBUS	5V_IN
	U1:IN, J1:VBUS	5V_IN
	SW2:P1, R2:P2	BOOT
	U2:IO0, R2:P2	BOOT
	SW1:P1, R1:P1	EN
	U2:EN, R1:P1	EN
	Via-7-5:Via-7-5, U1:GND	GND
	R3:P1, U2:IO2	Net (D6 - ANODE)
	J1:DN2, J1:DN1	USB_DM
	J1:DP1, J1:DP2	USB_DP

Deprecated Rules

Reports nodes that are using rules that are not supported anymore.

Layers with Multiple Fills • 1

	Layer	Net
	All	GND, GND, GND, GND, GND, GND, GND, GND, GND, GND, GND, GND, GND

Floating Copper

Detect any via, trace or copper fill island that is not connected to any net.

Protected Intrusions

Reports intrusions from objects of other nets into polygons or fills that have the Protected layout rule applied.

Manufacturing

Manufacturer Part Number • 9

	Designator	MPN
	C1	None
	C2	None
	C3	None
	C4	None
	C16	None
	C17	None
	R1	None
	R2	None
	R3	None

Parts Available

Beta

Checks that all parts have a part number and are available from distributors.

System Checks

Auto-Layout

Beta

Reports issues with Auto-Layout if Flux cannot route something or must ignore a configuration.

Passive Components

Resistor Power Rating

Beta

Checks that the power traveling across a given resistor is under its rating with 50% headroom.

Learn more

Pull Up/Pull Down Presence

Beta

Checks that IC pins that require pull up or pull down resistors have them.

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Capacitor Voltage Rating

Beta

Checks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.

Ground
A common return path for electric current. Commonly known as ground.
jharwinbarrozo
20.5M
Net Portal
Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
jharwinbarrozo
43.0M
Power Net Portal
Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
jharwinbarrozo
11.4M
Generic Resistor
A generic fixed resistor for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #generics #CommonPartsLibrary
jharwinbarrozo
1.5M
Generic Capacitor
A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF 10pF 100pF 1000pF 0.01uF 0.1uF 1.0uF 10uF 100uF 1000uF 10,000uF 1.1pF 11pF 110pF 1100pF 1.2pF 12pF 120pF 1200pF 1.3pF 13pF 130pF 1300pF 1.5pF 15pF 150pF 1500pF 0.015uF 0.15uF 1.5uF 15uF 150uF 1500uF 1.6pF 16pF 160pF 1600pF 1.8pF 18pF 180pF 1800pF 2.0pF 20pF 200pF 2000pF 2.2pF 22pF 20pF 2200pF 0.022uF 0.22uF 2.2uF 22uF 220uF 2200uF 2.4pF 24pF 240pF 2400pF 2.7pF 27pF 270pF 2700pF 3.0pF 30pF 300pF 3000pF 3.3pF 33pF 330pF 3300pF 0.033uF 0.33uF 3.3uF 33uF 330uF 3300uF 3.6pF 36pF 360pF 3600pF 3.9pF 39pF 390pF 3900pF 4.3pF 43pF 430pF 4300pF 4.7pF 47pF 470pF 4700pF 0.047uF 0.47uF 4.7uF 47uF 470uF 4700uF 5.1pF 51pF 510pF 5100pF 5.6pF 56pF 560pF 5600pF 6.2pF 62pF 620pF 6200pF 6.8pF 68pF 680pF 6800pF 0.068uF 0.68uF 6.8uF 68uF 680uF 6800uF 7.5pF 75pF 750pF 7500pF 8.2pF 82pF 820pF 8200pF 9.1pF 91pF 910pF 9100pF #generics #CommonPartsLibrary
jharwinbarrozo
1.5M
Generic Inductor
A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #generics
jharwinbarrozo
15.1k
Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
RMCF0805JT47K0
47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
jharwinbarrozo
1.2M
875105359001
10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
jharwinbarrozo
1.2M
CTL1206FYW1T
Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
jharwinbarrozo
1.1M

Inspect

Arduino blood glucose meter shield

Controls

New control

Properties

https://hackaday.io/project/11719-open-source-arduino-blood-glucose-meter-shield

Power Input Option

USB-C only

Power Requirements

USB

Software

Arduino

ESP32 Module

ESP32-S3-WROOM-1

Connectivity

WiFi

Project Description

Minimal ESP32-S3 USB‑C powered blink-LED development board with onboard 3.3 V LDO, adapted from an earlier Arduino blood glucose meter shield project.

LED Configuration

Green LED on GPIO2

System Architecture

flowchart TD USB_C["USB-C Connector"] LDO["3.3V LDO Regulator"] V33["3.3V Rail"] ESP32["ESP32-S3 Module"] LED["Status LED"] USB_C --> LDO LDO --> V33 V33 --> ESP32 ESP32 --> LED

Operating Voltage

3.3 V

Domain

Medical

Availability & Pricing

Distributor		Qty 1
	Arrow	$28.48
	Digi-Key	$31.99–$34.48
	LCSC	$85.58
	Mouser	$6.46
	TME	$1.95
	Verical	$27.96

Assets

DefaultThumbnail

Board

id=Board

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