# Precise Emerald Liquid Breathing Apparatus

## Description

Welcome to your new project\. Imagine what you can build here\.

## Project Details

- **Owner:** emecubica
- **Created:** 6/29/2025
- **Last Updated:** 7/5/2025
- **Visibility:** Public

## Key Components

### OLED1 — [OLED 128 x 64 0\.96inch](https://flux.ai/baronunread/oled-128-x-64-0p96inch~ay.md)

- Part Type: Display Device

**Pins:**
- 5V [pin 3]
- GND [pin 4]
- SCL [pin 2]
- SDA [pin 1]

### SW1 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md)

- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1809271215\_Omron\-Electronics\-B3FS\-1050P\_C231326\.pdf
- Manufacturer Part Number: B3FS\-1050P
- Manufacturer Name: OMRON
- Part Type: Switch

**Pins:**
- P1 [pin 1]
- P2 [pin 3]

### SW2 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md)

- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1809271215\_Omron\-Electronics\-B3FS\-1050P\_C231326\.pdf
- Manufacturer Part Number: B3FS\-1050P
- Manufacturer Name: OMRON
- Part Type: Switch

**Pins:**
- P1 [pin 1]
- P2 [pin 3]

### SW3 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md)

- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1809271215\_Omron\-Electronics\-B3FS\-1050P\_C231326\.pdf
- Manufacturer Part Number: B3FS\-1050P
- Manufacturer Name: OMRON
- Part Type: Switch

**Pins:**
- P1 [pin 1]
- P2 [pin 3]

### SW4 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md)

- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1809271215\_Omron\-Electronics\-B3FS\-1050P\_C231326\.pdf
- Manufacturer Part Number: B3FS\-1050P
- Manufacturer Name: OMRON
- Part Type: Switch

**Pins:**
- P1 [pin 1]
- P2 [pin 3]

### SW5 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md)

- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1809271215\_Omron\-Electronics\-B3FS\-1050P\_C231326\.pdf
- Manufacturer Part Number: B3FS\-1050P
- Manufacturer Name: OMRON
- Part Type: Switch

**Pins:**
- P1 [pin 1]
- P2 [pin 3]

### SW6 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md)

- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1809271215\_Omron\-Electronics\-B3FS\-1050P\_C231326\.pdf
- Manufacturer Part Number: B3FS\-1050P
- Manufacturer Name: OMRON
- Part Type: Switch

**Pins:**
- P1 [pin 1]
- P2 [pin 3]

### SW7 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md)

- Datasheet URL: https://datasheet\.lcsc\.com/lcsc/1809271215\_Omron\-Electronics\-B3FS\-1050P\_C231326\.pdf
- Manufacturer Part Number: B3FS\-1050P
- Manufacturer Name: OMRON
- Part Type: Switch

**Pins:**
- P1 [pin 1]
- P2 [pin 3]

### T1 — Step Up Transformer

- Coupling Coefficient: 0\.99
- Ratio: 2
- Primary Inductance: 4H

**Pins:**
- P1
- P2
- S1
- S2

### U1 — [ARDUINO\_NANO](https://flux.ai/jecstronic/arduinonano~2x.md)

- Manufacturer Part Number: ARDUINO\_NANO
- Manufacturer Name: Texas Instruments Inc\.
- Part Type: Integrated Circuit
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.snapeda\.com/parts/Arduino%20Nano/Arduino/datasheet/

**Pins:**
- \+5V [pin 27]
- 3V3 [pin 17]
- A0 [pin 19]
- A1 [pin 20]
- A2 [pin 21]
- A3 [pin 22]
- A4 [pin 23]
- A5 [pin 24]
- A6 [pin 25]
- A7 [pin 26]
- AREF [pin 18]
- COM/GND [pin 4]
- COM/GND [pin 29]
- D0/RX [pin 2]
- D1/TX [pin 1]
- D10 [pin 13]
- D11/MOSI [pin 14]
- D12/MISO [pin 15]
- D13/SCK [pin 16]
- D2 [pin 5]
- D3 [pin 6]
- D4 [pin 7]
- D5 [pin 8]
- D6 [pin 9]
- D7 [pin 10]
- D8 [pin 11]
- D9 [pin 12]
- RESET [pin 3]
- RESET [pin 28]
- VIN [pin 30]

### U2 — [DFR0299](https://flux.ai/adrian95/dfr0299~dmv.md)

- Datasheet URL: https://raw\.githubusercontent\.com/Arduinolibrary/DFPlayer\_Mini\_mp3/master/DFPlayer%20Mini%20Manual\.pdf
- Part Type: Development Board
- Manufacturer Name: DFRobot
- Manufacturer Part Number: DFR0299
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- ADKEY1 [pin 12]
- ADKEY2 [pin 13]
- BUSY [pin 16]
- DAC\_L [pin 5]
- DAC\_R [pin 4]
- GND [pin 10]
- GND [pin 7]
- IO1 [pin 9]
- IO2 [pin 11]
- RX [pin 2]
- SPK1 [pin 6]
- SPK2 [pin 8]
- TX [pin 3]
- USB\- [pin 15]
- USB\+ [pin 14]
- VCC [pin 1]

### U3 — [TP4056\_Module](https://flux.ai/wolfxpac/tp4056module~ap.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://robocraze\.com/products/tp4056\-lithium\-battery\-charging\-board
- Part Type: Module
- Manufacturer Name: Generic

**Pins:**
- BAT\- [pin 5]
- BAT\+ [pin 6]
- IN\- [pin 1]
- IN\+ [pin 2]
- OUT\- [pin 3]
- OUT\+ [pin 4]

### V1 — [DC Supply](https://flux.ai/jharwinbarrozo/dc-supply~35.md)

- Voltage: 5V

**Pins:**
- ANODE
- CATHODE

### V2 — [Battery Holder Keystone 1076 1xAAA](https://flux.ai/eriarervt/battery-holder-keystone-1076-1xaaa~xu.md)

**Pins:**
- \- [pin \-]
- \+ [pin \+]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/emecubica/precise\-emerald\-liquid\-breathing\-apparatus\~fo](https://flux.ai/emecubica/precise-emerald-liquid-breathing-apparatus~fo).*

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*Generated from [https://flux\.ai/emecubica/precise\-emerald\-liquid\-breathing\-apparatus\~fo](https://flux.ai/emecubica/precise-emerald-liquid-breathing-apparatus~fo)*