# \[Example\] ESP32 Reference Design ## Description An example development and reference design for the ESP32 microcontroller\. ## Project Details - **Owner:** 8318julie - **Created:** 4/8/2022 - **Last Updated:** 7/27/2024 - **Visibility:** Public ## Key Components ### A0 — Label **Pins:** - P1 - P2 ### A0 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### A1 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### A1 — Label **Pins:** - P1 - P2 ### A2 — Label **Pins:** - P1 - P2 ### A2 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### A3 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### A3 — Label **Pins:** - P1 - P2 ### A4 — Label **Pins:** - P1 - P2 ### A4 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### A5 — Label **Pins:** - P1 - P2 ### A5 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### A6 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### A6 — Label **Pins:** - P1 - P2 ### A7 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### A7 — Label **Pins:** - P1 - P2 ### AIN0 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### AIN0 — Label **Pins:** - P1 - P2 ### AIN1 — Label **Pins:** - P1 - P2 ### AIN1 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### AIN2 — Label **Pins:** - P1 - P2 ### AIN2 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### AIN3 — Label **Pins:** - P1 - P2 ### AIN3 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B0 — Label **Pins:** - P1 - P2 ### B0 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B1 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B1 — Label **Pins:** - P1 - P2 ### B2 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B2 — Label **Pins:** - P1 - P2 ### B3 — Label **Pins:** - P1 - P2 ### B3 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B4 — Label **Pins:** - P1 - P2 ### B4 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B5 — Label **Pins:** - P1 - P2 ### B5 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B6 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B6 — Label **Pins:** - P1 - P2 ### B7 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### B7 — Label **Pins:** - P1 - P2 ### D1 — [Schottky Diode](https://flux.ai/lwcassid/schottky-diode~zf.md) - Emission Coefficient: 2\.03 - Series Resistance: 2\.8Ω - Breakdown Voltage: 70V - Saturation Current: 3\.15e\-7A **Pins:** - ANODE - CATHODE ### DTS — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_CLK — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_CMD — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_EN — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_EN — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_EN — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO0 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO0 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO0 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO0 — Label **Pins:** - P1 - P2 ### ESP\_IO12 — Label **Pins:** - P1 - P2 ### ESP\_IO12 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO13 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO13 — Label **Pins:** - P1 - P2 ### ESP\_IO14 — Label **Pins:** - P1 - P2 ### ESP\_IO14 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO15 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO15 — Label **Pins:** - P1 - P2 ### ESP\_IO16 — Label **Pins:** - P1 - P2 ### ESP\_IO16 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO17 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO17 — Label **Pins:** - P1 - P2 ### ESP\_IO18 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO18 — Label **Pins:** - P1 - P2 ### ESP\_IO19 — Label **Pins:** - P1 - P2 ### ESP\_IO19 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO2 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO2 — Label **Pins:** - P1 - P2 ### ESP\_IO2 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO23 — Label **Pins:** - P1 - P2 ### ESP\_IO23 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO25 — Label **Pins:** - P1 - P2 ### ESP\_IO25 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO26 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO26 — Label **Pins:** - P1 - P2 ### ESP\_IO27 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO27 — Label **Pins:** - P1 - P2 ### ESP\_IO32 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO32 — Label **Pins:** - P1 - P2 ### ESP\_IO33 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO33 — Label **Pins:** - P1 - P2 ### ESP\_IO34 — Label **Pins:** - P1 - P2 ### ESP\_IO34 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO35 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO35 — Label **Pins:** - P1 - P2 ### ESP\_IO36 — Label **Pins:** - P1 - P2 ### ESP\_IO36 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO39 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO39 — Label **Pins:** - P1 - P2 ### ESP\_IO4 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO4 — Label **Pins:** - P1 - P2 ### ESP\_IO5 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO5 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_IO5 — Label **Pins:** - P1 - P2 ### ESP\_RX — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_RX — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_SD0 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_SD1 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_SD2 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_SD3 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_TX — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_TX — Label - Pin Type: Signal **Pins:** - P1 - P2 ### ESP\_TX — Label - Pin Type: Signal **Pins:** - P1 - P2 ### J1 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J10 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J11 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J12 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J13 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J14 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J15 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J2 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J3 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J4 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J5 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J6 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J7 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J8 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### J9 — [Connector 01x04](https://flux.ai/jharwinbarrozo/connector-01x04-horizontal~h0.md) - Part Type: Connector **Pins:** - Pin\_1 - Pin\_2 - Pin\_3 - Pin\_4 ### PWM0 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM0 — Label **Pins:** - P1 - P2 ### PWM1 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM1 — Label **Pins:** - P1 - P2 ### PWM10 — Label **Pins:** - P1 - P2 ### PWM10 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM11 — Label **Pins:** - P1 - P2 ### PWM11 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM12 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM12 — Label **Pins:** - P1 - P2 ### PWM13 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM13 — Label **Pins:** - P1 - P2 ### PWM14 — Label **Pins:** - P1 - P2 ### PWM14 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM15 — Label **Pins:** - P1 - P2 ### PWM15 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM2 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM2 — Label **Pins:** - P1 - P2 ### PWM3 — Label **Pins:** - P1 - P2 ### PWM3 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM4 — Label **Pins:** - P1 - P2 ### PWM4 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM5 — Label **Pins:** - P1 - P2 ### PWM5 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM6 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM6 — Label **Pins:** - P1 - P2 ### PWM7 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM7 — Label **Pins:** - P1 - P2 ### PWM8 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM8 — Label **Pins:** - P1 - P2 ### PWM9 — Label - Pin Type: Signal **Pins:** - P1 - P2 ### PWM9 — Label **Pins:** - P1 - P2 ### RST — Label - Pin Type: Signal **Pins:** - P1 - P2 ### S1 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md) **Pins:** - P1 - P2 ### S2 — [Push Button](https://flux.ai/jharwinbarrozo/push-button~eqk.md) **Pins:** - P1 - P2 ### SCL — Label - Pin Type: Signal **Pins:** - P1 - P2 ### SCL — Label - Pin Type: Signal **Pins:** - P1 - P2 ### SCL — Label **Pins:** - P1 - P2 ### SCL — Label - Pin Type: Signal **Pins:** - P1 - P2 ### SDA — Label - Pin Type: Signal **Pins:** - P1 - P2 ### SDA — Label - Pin Type: Signal **Pins:** - P1 - P2 ### SDA — Label - Pin Type: Signal **Pins:** - P1 - P2 ### SDA — Label - Pin Type: Signal **Pins:** - P1 - P2 ### TP1 — [Test Point](https://flux.ai/ramprakashvishnoi8/test-point~w1.md) **Pins:** - P1 ### TP2 — [Test Point](https://flux.ai/ramprakashvishnoi8/test-point~w1.md) **Pins:** - P1 ### TP3 — [Test Point](https://flux.ai/ramprakashvishnoi8/test-point~w1.md) **Pins:** - P1 ### TP4 — [Test Point](https://flux.ai/ramprakashvishnoi8/test-point~w1.md) **Pins:** - P1 ### TP5 — [Test Point](https://flux.ai/ramprakashvishnoi8/test-point~w1.md) **Pins:** - P1 ### TP6 — [Test Point](https://flux.ai/ramprakashvishnoi8/test-point~w1.md) **Pins:** - P1 ### USB\_D\- — Label **Pins:** - P1 - P2 ### USB\_D\- — Label **Pins:** - P1 - P2 ### USB\_D\- — Label **Pins:** - P1 - P2 ### USB\_D\+ — Label **Pins:** - P1 - P2 ### USB\_D\+ — Label **Pins:** - P1 - P2 ### USB\_D\+ — Label **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/8318julie/example\-esp32\-reference\-design\~9q](https://flux.ai/8318julie/example-esp32-reference-design~9q).* --- *Generated from [https://flux\.ai/8318julie/example\-esp32\-reference\-design\~9q](https://flux.ai/8318julie/example-esp32-reference-design~9q)*