# ESP32-WROOM PLC ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** llab - **Created:** 5/11/2025 - **Last Updated:** 5/11/2025 - **Visibility:** Public ## Key Components ### IC1 — [R-78E5.0-1.0](https://www.flux.ai/vasyl/r-78e50-10~sdx.md) - Datasheet URL: https://recom-power.com/pdf/Innoline/R-78E-1.0.pdf - Manufacturer Name: Recom Power - Part Type: Integrated Circuit - Manufacturer Part Number: R-78E5.0-1.0 **Pins:** - GND [pin 2] - IN [pin 1] - OUT [pin 3] ### U1 — [ESP32-WROOM-32E-N4](https://www.flux.ai/jecstronic/esp32-wroom-32e-n4~2ee.md) - Manufacturer Part Number: ESP32-WROOM-32E-N4 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf - Manufacturer Name: Espressif Systems - Part Type: Module - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND_1 [pin 1] - GND_10 [pin 45] - GND_11 [pin 46] - GND_12 [pin 47] - GND_2 [pin 15] - GND_3 [pin 38] - GND_4 [pin 39] - GND_5 [pin 40] - GND_6 [pin 41] - GND_7 [pin 42] - GND_8 [pin 43] - GND_9 [pin 44] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC_1 [pin 17] - NC_2 [pin 18] - NC_3 [pin 19] - NC_4 [pin 20] - NC_5 [pin 21] - NC_6 [pin 22] - NC_7 [pin 32] - RXD0 [pin 34] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - TXD0 [pin 35] ### U2 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33~34.md) - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: AMS1117-3.3 - Manufacturer Name: AMS - Symbol Style: Parametric **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### U3 — [CH340C](https://www.flux.ai/vasy_skral/ch340c~xfo.md) - Manufacturer Name: Wah - Datasheet URL: https://datasheet.lcsc.com/szlcsc/Jiangsu-Qin-Heng-CH340C_C84681.pdf - Part Type: Integrated Circuit - Manufacturer Part Number: CH340C **Pins:** - ~CTS [pin 9] - ~DCD [pin 12] - ~DSR [pin 10] - ~DTR [pin 13] - ~RI [pin 11] - ~RTS [pin 14] - GND [pin 1] - NC [pin 7] - NC [pin 8] - R232 [pin 15] - RXD [pin 3] - TXD [pin 2] - UD- [pin 6] - UD+ [pin 5] - V3 [pin 4] - VCC [pin 16] ### U4 — [MCP23S17T-E-SS](https://www.flux.ai/jecstronic/mcp23s17t-e-ss~jil.md) - Manufacturer Part Number: MCP23S17T-E/SS - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: http://www.microchip.com/mymicrochip/filehandler.aspx?ddocname=en023709 - Manufacturer Name: Microchip **Pins:** - ~CS~ [pin 11] - ~RESET~ [pin 18] - A0 [pin 15] - A1 [pin 16] - A2 [pin 17] - GPA0 [pin 21] - GPA1 [pin 22] - GPA2 [pin 23] - GPA3 [pin 24] - GPA4 [pin 25] - GPA5 [pin 26] - GPA6 [pin 27] - GPA7 [pin 28] - GPB0 [pin 1] - GPB1 [pin 2] - GPB2 [pin 3] - GPB3 [pin 4] - GPB4 [pin 5] - GPB5 [pin 6] - GPB6 [pin 7] - GPB7 [pin 8] - INTA [pin 20] - INTB [pin 19] - SCK [pin 12] - SI [pin 13] - SO [pin 14] - VDD [pin 9] - VSS [pin 10] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/llab/esp32-wroom-plc~k1](https://www.flux.ai/llab/esp32-wroom-plc~k1).* --- *Generated from [https://www.flux.ai/llab/esp32-wroom-plc~k1](https://www.flux.ai/llab/esp32-wroom-plc~k1)*