# WiFi Soil Monitor reference design ## Description This is a WiFi Soil Monitor reference design based on ESP32-S3 microcontroller for WiFi connectivity, a Type-C USB for power #referenceDesign #simple-embedded #espressif #template #reference-design ## Project Details - **Owner:** gvscsv - **Created:** 1/22/2025 - **Last Updated:** 1/22/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### BATT1 — [1070TR](https://www.flux.ai/jharwinbarrozo/1070tr~eit.md) - Manufacturer Part Number: 1070TR - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p5.pdf - Voltage: 3V - Manufacturer Name: Keystone Electronics **Pins:** - - - + ### IC1 — [MAX40005ANS02+T](https://www.flux.ai/vasyl/max40005ans02plust~u2.md) - Datasheet URL: https://datasheets.maximintegrated.com/en/ds/MAX40002-MAX40005.pdf - Manufacturer Name: Analog Devices Inc./Maxim Integrated - Manufacturer Part Number: MAX40005ANS02+T - Part Type: Comparators **Pins:** - GND [pin B2] - IN [pin A2] - OUT [pin A1] - VCC/REF [pin B1] ### J2 — [TYPE-C-31-M-12](https://www.flux.ai/vasyl/type-c-31-m-12~tm.md) - Datasheet URL: https://www.snapeda.com/parts/TYPE-C-31-M-12/HRO%20Electronics%20Co.,%20Ltd./datasheet/ - Part Type: Connector - Manufacturer Part Number: TYPE-C-31-M-12 - Manufacturer Name: ROHS **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1B12] - GND__1 [pin B1A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S1] - SHIELD__1 [pin S2] - SHIELD__2 [pin S3] - SHIELD__3 [pin S4] - VBUS [pin A4B9] - VBUS__1 [pin B4A9] ### U1 — [ESP32-S3-MINI-1-N8](https://www.flux.ai/vasyl/esp32-s3-mini-1-n8~77x.md) - Manufacturer Part Number: ESP32-S3-MINI-1U-N8 - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3-mini-1_mini-1u_datasheet_en.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: RF Transceiver Module **Pins:** - 3V3 [pin 3] - EN [pin 45] - GND [pin 1] - GND__1 [pin 2] - GND__10 [pin 52] - GND__11 [pin 53] - GND__12 [pin 54] - GND__13 [pin 55] - GND__14 [pin 56] - GND__15 [pin 57] - GND__16 [pin 58] - GND__17 [pin 59] - GND__18 [pin 60] - GND__19 [pin 61] - GND__2 [pin 42] - GND__20 [pin 61_1] - GND__21 [pin 61_2] - GND__22 [pin 61_3] - GND__23 [pin 61_4] - GND__24 [pin 61_5] - GND__25 [pin 61_6] - GND__26 [pin 61_7] - GND__27 [pin 61_8] - GND__28 [pin 62] - GND__29 [pin 63] - GND__3 [pin 43] - GND__30 [pin 64] - GND__31 [pin 65] - GND__4 [pin 46] - GND__5 [pin 47] - GND__6 [pin 48] - GND__7 [pin 49] - GND__8 [pin 50] - GND__9 [pin 51] - IO0 [pin 4] - IO1 [pin 5] - IO10 [pin 14] - IO11 [pin 15] - IO12 [pin 16] - IO13 [pin 17] - IO14 [pin 18] - IO15 [pin 19] - IO16 [pin 20] - IO17 [pin 21] - IO18 [pin 22] - IO19 [pin 23] - IO2 [pin 6] - IO20 [pin 24] - IO21 [pin 25] - IO26 [pin 26] - IO3 [pin 7] - IO33 [pin 28] - IO34 [pin 29] - IO35 [pin 31] - IO36 [pin 32] - IO37 [pin 33] - IO38 [pin 34] - IO39 [pin 35] - IO4 [pin 8] - IO40 [pin 36] - IO41 [pin 37] - IO42 [pin 38] - IO45 [pin 41] - IO46 [pin 44] - IO47 [pin 27] - IO48 [pin 30] - IO5 [pin 9] - IO6 [pin 10] - IO7 [pin 11] - IO8 [pin 12] - IO9 [pin 13] - RXD0 [pin 40] - TXD0 [pin 39] ### U2 — [AP2112K-3.3TRG1](https://www.flux.ai/vasyl/ap2112k-33trg1~qk.md) - Manufacturer Name: Diodes Incorporated - Manufacturer Part Number: AP2112K-3.3TRG1 - Part Type: Integrated Circuit - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf **Pins:** - EN [pin 3] - GND [pin 2] - VIN [pin 1] - VOUT [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/gvscsv/wifi-soil-monitor-reference-design~og](https://www.flux.ai/gvscsv/wifi-soil-monitor-reference-design~og).* --- *Generated from [https://www.flux.ai/gvscsv/wifi-soil-monitor-reference-design~og](https://www.flux.ai/gvscsv/wifi-soil-monitor-reference-design~og)*