# Espírometro Digital ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** izhak - **Created:** 4/7/2025 - **Last Updated:** 4/10/2025 - **Visibility:** Public ## Key Components ### D1 — [1N4728A,113](https://www.flux.ai/lcsc/1n4728ac113~ggfj.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2407241029_Nexperia-1N4728A-113_C455055.pdf - Manufacturer Part Number: 1N4728A,113 - Package or Case Code: DO-41_BD2.4-L4.7-P8.70-D0.9-RD - Product Info Url: https://lcsc.com/product-detail/Zener-Diodes_Nexperia-1N4728A-113_C455055.html - JLCPCB Part Class: Extended Part - Part Type: Zener Diodes - Manufacturer Name: Nexperia(安世) - LCSC Part Number: C455055 **Pins:** - A [pin 2] - K [pin 1] ### J1 — [DG301-5.0-2P12](https://www.flux.ai/jecstronic/dg301-50-2p12~01g.md) - Datasheet URL: https://octopart.com/datasheet/dg301-5.0-02p-12-00a%28h%29-degson-30865567 - Manufacturer Name: DEGSON ELECTRONICS - Part Type: Connector - Manufacturer Part Number: DG301-5.0-2P12 **Pins:** - PIN1 - PIN2 ### J2 — [DG301-5.0-2P12](https://www.flux.ai/jecstronic/dg301-50-2p12~01g.md) - Datasheet URL: https://octopart.com/datasheet/dg301-5.0-02p-12-00a%28h%29-degson-30865567 - Manufacturer Part Number: DG301-5.0-2P12 - Part Type: Connector - Manufacturer Name: DEGSON ELECTRONICS **Pins:** - PIN1 - PIN2 ### U1 — [ESP32-DEVKIT-V1](https://www.flux.ai/jharwinbarrozo/esp32-devkit-v1~7xd.md) - Symbol Style: Parametric - Part Type: Module - Manufacturer Part Number: ESP32-DEVKIT-V1 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf - Manufacturer Name: Espressif Systems **Pins:** - 3V3 [pin 1] - D12 [pin 27] - D13 [pin 28] - D14 [pin 26] - D15 [pin 3] - D18 [pin 9] - D19 [pin 10] - D2 [pin 4] - D21 [pin 11] - D22 [pin 14] - D23 [pin 15] - D25 [pin 23] - D26 [pin 24] - D27 [pin 25] - D32 [pin 21] - D33 [pin 22] - D34 [pin 19] - D35 [pin 20] - D4 [pin 5] - D5 [pin 8] - EN [pin 16] - GND [pin 2] - GND_1 [pin 29] - RX0 [pin 12] - RX2 [pin 6] - TX0 [pin 13] - TX2 [pin 7] - VIN [pin 30] - VN [pin 18] - VP [pin 17] ### U2 — [7805](https://www.flux.ai/lcsc/7805~nj2o.md) - Manufacturer Name: 集晶电子 - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Part Type: Linear Voltage Regulators (LDO) - LCSC Part Number: C2984683 - JLCPCB Part Class: Extended Part - Compliance: RoHS - Manufacturer Part Number: 7805 **Pins:** - GND [pin 2] - IN [pin 1] - OUT [pin 3] ### U3 — [LM358P](https://www.flux.ai/jecstronic/lm358p~nus.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm358 - Manufacturer Part Number: LM358P - Part Type: Operational Amplifier (OP-AMP) **Pins:** - -IN1 [pin 2] - -IN2 [pin 6] - +IN1 [pin 3] - +IN2 [pin 5] - OUT1 [pin 1] - OUT2 [pin 7] - V- [pin 4] - V+ [pin 8] ### U4 — [LM358P](https://www.flux.ai/jecstronic/lm358p~nus.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm358 - Manufacturer Name: Texas Instruments - Manufacturer Part Number: LM358P - Part Type: Operational Amplifier (OP-AMP) **Pins:** - -IN1 [pin 2] - -IN2 [pin 6] - +IN1 [pin 3] - +IN2 [pin 5] - OUT1 [pin 1] - OUT2 [pin 7] - V- [pin 4] - V+ [pin 8] ### U5 — [LM358P](https://www.flux.ai/jecstronic/lm358p~nus.md) - Part Type: Operational Amplifier (OP-AMP) - Manufacturer Part Number: LM358P - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm358 - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - -IN1 [pin 2] - -IN2 [pin 6] - +IN1 [pin 3] - +IN2 [pin 5] - OUT1 [pin 1] - OUT2 [pin 7] - V- [pin 4] - V+ [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/izhak/espirometro-digital~gy](https://www.flux.ai/izhak/espirometro-digital~gy).* --- *Generated from [https://www.flux.ai/izhak/espirometro-digital~gy](https://www.flux.ai/izhak/espirometro-digital~gy)*