# Proyecto DC ## Description PCB para sensor de temperatura Pt100 con puente de Wheatstone, AD620, protección Zener 3.3 V y salida ADC para ESP32 ## Project Details - **Owner:** enderzero - **Created:** 5/18/2026 - **Last Updated:** 5/19/2026 - **Visibility:** Public - **Copies:** 1 ## Key Components ### J1 — [Terminal Block, 4-Contact, 5.08mm Pitch, Through Hole Mount, 1-Row, Screw Termination](https://www.flux.ai/rohit297/terminal-blockc-4-contactc-5p08mm-pitchc-through-hole-mountc-1-rowc-screw-termination~9w.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Power Conversion - Connector Positions: 4 - Manufacturer Part Number: DB2ERC-3.5-9P-GN - Part Type: Connector - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2303271530_DORABO-DB2ERC-3-5-9P-GN_C430560.pdf - Connector Pitch: 5.08mm - Connector Type: Terminal Blocks - Manufacturer Name: DORABO **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J2 — [WJ2EDGRC-5.08-02P-14-00A](https://www.flux.ai/adrian95/wj2edgrc-5p08-02p-14-00a~gk9.md) - LCSC Part Number: C3697 - Manufacturer Name: KANGNEX - Connector Pitch: 5.08mm - Datasheet URL: https://www.lcsc.com/datasheet/C3697.pdf?spm=wm.sxq.inf.ggs&utm_source=octopart&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1lXUFFXQ1FaUzsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D - Connector Type: Terminal Blocks - Role: Sensing (Shunt) - Manufacturer Part Number: WJ2EDGRC-5.08-02P-14-00A - Part Type: Connector - Connector Positions: 2 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 2] - P2 [pin 1] ### J3 — [WJ2EDGRC-5.08-02P-14-00A](https://www.flux.ai/adrian95/wj2edgrc-5p08-02p-14-00a~gk9.md) - Connector Positions: 2 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: WJ2EDGRC-5.08-02P-14-00A - Part Type: Connector - Datasheet URL: https://www.lcsc.com/datasheet/C3697.pdf?spm=wm.sxq.inf.ggs&utm_source=octopart&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1lXUFFXQ1FaUzsOAxUeFF5JWA4NEwsWFhMaSQcJGk4%3D - Role: Protection - Connector Type: Terminal Blocks - Connector Pitch: 5.08mm - LCSC Part Number: C3697 - Manufacturer Name: KANGNEX **Pins:** - P1 [pin 2] - P2 [pin 1] ### U2 — [AD620ANZ](https://www.flux.ai/adrian95/ad620anz~2gd.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Role: Amplification - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/AD620.pdf - Manufacturer Name: Analog Devices - Manufacturer Part Number: AD620ANZ - Package or Case Code: 8-PDIP **Pins:** - -IN [pin 2] - -VS [pin 4] - +IN [pin 3] - +VS [pin 7] - OUTPUT [pin 6] - REF [pin 5] - RG_1 [pin 1] - RG_2 [pin 8] ### U3 — [SZMM3Z3V3T1G](https://www.flux.ai/adrian95/szmm3z3v3t1g~7lm.md) - Manufacturer Name: onsemi - Voltage: 3.3V - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SZMM3Z3V3T1G - Power Rating: 0.3W - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/9/MM3ZyyyT1G_SZMM3ZyyyT1G_Series_rev.11_Sep2014.pdf - Role: Clamping - Part Type: Diode - Package or Case Code: D_SOD-323 **Pins:** - 1 [pin 1] - 2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/enderzero/proyecto-dc~pr](https://www.flux.ai/enderzero/proyecto-dc~pr).* --- *Generated from [https://www.flux.ai/enderzero/proyecto-dc~pr](https://www.flux.ai/enderzero/proyecto-dc~pr)*