# Native Bee Hotel V2 ## Description Minimal ESP32-CAM Breakout for RCWL-0516 Radar Sensor ## Project Details - **Owner:** markwuflux - **Created:** 8/22/2023 - **Last Updated:** 2/12/2024 - **Visibility:** Public - **RCWL_OUT_Level:** 5 - **License:** https://creativecommons.org/licenses/by/4.0/ - **Antenna_Clearance:** 15mm - **Datasheet URL:** https://www.espressif.com/sites/default/files/documentation/esp32-cam_datasheet_en.pdf - **System Architecture:** ``` graph LR U1["ESP32-CAM (U1)"] -->|5V| J6VCC["J6 Pin1: VCC"] U1 -->|GND| J6GND["J6 Pin3: GND"] J6OUT["J6 Pin2: OUT"] -->|IO13| U1IO13["U1 IO13"] ``` - **System Architecture:** ``` graph LR subgraph Power USB_C["USB-C Input"] --> Charger["Battery Charger"] Charger --> Battery["Li-Ion Battery"] Battery --> BuckBoost["3.3V Buck-Boost Regulator"] BuckBoost --> V3V3["3.3V Rail"] end ESP32["ESP32-CAM Module"] RCWL["RCWL-0516 Radar Interface"] IO["User I/O"] V3V3 --> ESP32 V3V3 --> RCWL V3V3 --> IO ``` - **Stars:** 6 - **Forks:** 3 - **Copies:** 9 ## Key Components ### B1 — [BK-18650-PC2](https://www.flux.ai/vasyl/bk-18650-pc2.md) - Datasheet URL: https://www.memoryprotectiondevices.com/datasheets/BK-18650-PC2-datasheet.pdf - Manufacturer Name: MPD (Memory Protection Devices) - Manufacturer Part Number: BK-18650-PC2 - Voltage: 4.2V **Pins:** - NEGATIVE [pin -] - POSITIVE [pin +] ### D1 — SK34A - Manufacturer Name: TAIWAN SEMICONDUCTOR - Manufacturer Part Number: SK34A - Datasheet URL: https://www.smc-diodes.com/propdf/SK34%20N0102%20REV.B.pdf **Pins:** - ~ [pin 2] - ~ [pin 1] ### D2 — [SML-LX0805GC-TR](https://www.flux.ai/adrian95/sml-lx0805gc-tr.md) - Manufacturer Name: Lumex Opto/Components Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED - Manufacturer Part Number: SML-LX0805GC-TR - Role Details: Green power indicator - Datasheet URL: https://www.lumex.com/spec/SML-LX0805GC-TR.pdf - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D3 — [LSM0805463V](https://www.flux.ai/adrian95/lsm0805463v.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LSM0805463V - Datasheet URL: https://vcclite.com/wp-content/uploads/2019/05/LSM0805463V-Blue-Datasheet.pdf - Role: LED - Manufacturer Name: Visual Communications Company - VCC - Role Details: Blue status indicator - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D4 — [SP0505BAJT](https://www.flux.ai/kicad-part-library/sp0505bajt.md) - Package or Case Code: SOT-363_SC-70-6 - Manufacturer Part Number: SP0505BAJT - Datasheet URL: http://www.littelfuse.com//media/files/littelfuse/technical%20resources/documents/data%20sheets/sp05xxba.pdf - Manufacturer Name: Texas Instruments Inc. - Role Details: USB-C VBUS transient suppression TVS - Role: Clamping **Pins:** - A [pin 2] - K [pin 5] - K [pin 4] - K [pin 6] - K [pin 1] - K [pin 3] ### ESP32-CAM1 — [ESP32-CAM](https://www.flux.ai/vasy_skral/esp32-cam.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.universal-solder.ca/downloads/ESP32-CAM.pdf - Role Details: Main MCU and camera module - Symbol Style: Parametric - Role: Processor - Manufacturer Name: Ai-Thinker - Part Type: Development Board - Manufacturer Part Number: Ai-Thinker ESP32-CAM WiFi BT BLE **Pins:** - .GND [pin P$9] - 3V3 [pin P$16] - 3V3. [pin P$12] - 5V [pin P$1] - GND [pin P$2] - GND. [pin P$13] - IO0 [pin P$14] - IO1/U0T [pin P$10] - IO12 [pin P$3] - IO13 [pin P$4] - IO14 [pin P$6] - IO15 [pin P$5] - IO16 [pin P$15] - IO2 [pin P$7] - IO3/U0R [pin P$11] - IO4 [pin P$8] ### ESP32-CAM1 — [ESP32-CAM](https://www.flux.ai/vasy_skral/esp32-cam.md) - Manufacturer Part Number: Ai-Thinker ESP32-CAM WiFi BT BLE - Part Type: Development Board - Manufacturer Name: Ai-Thinker - Datasheet URL: https://www.universal-solder.ca/downloads/ESP32-CAM.pdf **Pins:** - .GND [pin P$9] - 3V3 [pin P$16] - 3V3. [pin P$12] - 5V [pin P$1] - GND [pin P$2] - GND. [pin P$13] - IO0 [pin P$14] - IO1/U0T [pin P$10] - IO12 [pin P$3] - IO13 [pin P$4] - IO14 [pin P$6] - IO15 [pin P$5] - IO16 [pin P$15] - IO2 [pin P$7] - IO3/U0R [pin P$11] - IO4 [pin P$8] ### ESP32-CAM2 — [ESP32-CAM](https://www.flux.ai/vasy_skral/esp32-cam.md) - Role Details: Main MCU and camera module - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.universal-solder.ca/downloads/ESP32-CAM.pdf - Role: Processor},{ - Symbol Style: Parametric - Manufacturer Name: Ai-Thinker - Part Type: Development Board - Manufacturer Part Number: Ai-Thinker ESP32-CAM WiFi BT BLE **Pins:** - .GND [pin P$9] - 3V3 [pin P$16] - 3V3. [pin P$12] - 5V [pin P$1] - GND [pin P$2] - GND. [pin P$13] - IO0 [pin P$14] - IO1/U0T [pin P$10] - IO12 [pin P$3] - IO13 [pin P$4] - IO14 [pin P$6] - IO15 [pin P$5] - IO16 [pin P$15] - IO2 [pin P$7] - IO3/U0R [pin P$11] - IO4 [pin P$8] ### F1 — [0805L110WR](https://www.flux.ai/adrian95/0805l110wr.md) - Role Details: USB-C overcurrent resettable fuse - Role: Protection - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Fuse - Datasheet URL: https://www.littelfuse.com/media?resourcetype=datasheets&itemid=3b1fa5dc-24aa-4363-b543-edb057c2fffa&filename=littelfuse_ptc_0805l_datasheet.pdf - Manufacturer Name: Littelfuse Inc. - Manufacturer Part Number: 0805L110WR **Pins:** - P1 [pin 1] - P2 [pin 2] ### H1, H2, H3, H4 — [MountingHole 7.4mm Pad 3.2mm drill](https://www.flux.ai/adrian95/mountinghole-74mm-pad-32mm-drill.md) - Manufacturer Part Number: MountingHole_Pad - Role Details: 3.2 mm plated mounting hole footprint - Role: Mechanical **Pins:** - 1 ### H1, H2, H3, H4 — [MountingHole 7.4mm Pad 3.2mm drill](https://www.flux.ai/adrian95/mountinghole-74mm-pad-32mm-drill.md) - Manufacturer Part Number: MountingHole_Pad - Role: Mechanical - Role Details: 3.2 mm plated mounting hole footprint **Pins:** - 1 ### H1, H2, H3, H4 — [MountingHole 7.4mm Pad 3.2mm drill](https://www.flux.ai/adrian95/mountinghole-74mm-pad-32mm-drill.md) - Manufacturer Part Number: MountingHole_Pad - Role: Mechanical - Role Details: 3.2 mm plated mounting hole footprint **Pins:** - 1 ### H1, H2, H3, H4 — [MountingHole 7.4mm Pad 3.2mm drill](https://www.flux.ai/adrian95/mountinghole-74mm-pad-32mm-drill.md) - Role Details: 3.2 mm plated mounting hole footprint - Role: Mechanical - Manufacturer Part Number: MountingHole_Pad **Pins:** - 1 ### I2CSENS1 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.adafruit.com/product/4566 - Part Type: Connector - Manufacturer Part Number: AHT20 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J1 — [54-00125](https://www.flux.ai/markwuflux/54-00125.md) - Manufacturer Name: TENSILITY - Datasheet URL: https://tensility.s3.amazonaws.com/uploads/pdffiles/54-00125.pdf?X-Amz-Expires=600&X-Amz-Date=20230822T181324Z&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIS2S4WRDQDSWDRZQ%2F20230822%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-SignedHeaders=host&X-Amz-Signature=e34e3716877077542e8bf63fa329ae9d15215056bd289344e2ade7b94a686dc2 - Manufacturer Part Number: 54-00125 **Pins:** - ~ [pin A] - ~ [pin C] - ~ [pin B] ### J2 — [Type-C-2.0-6Pin](https://www.flux.ai/jharwinbarrozo/type-c-20-6pin.md) - Manufacturer Name: CIKI - Role Details: Power-only USB-C connector - Role: Connector - Manufacturer Part Number: Type-C-2.0-6Pin - Part Type: Connector - Datasheet URL: https://datasheet.lcsc.com/lcsc/2204071830_CIKI-Type-C-2-0-6Pin_C2987385.pdf **Pins:** - CC1 - CC2 - GND - GND__1 - SHIELD - SHIELD__1 - SHIELD__2 - SHIELD__3 - V-BUS - V-BUS__1 ### J3 — [B2B-PH-K-S(LF)(SN)](https://www.flux.ai/jecstronic/b2b-ph-k-slfsn.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: JST-PH battery connector - Part Type: Connector - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf - Role: Connector - Manufacturer Name: JST Sales America - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J4 — [22052051](https://www.flux.ai/lcsc/22052051.md) - Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf - Manufacturer Name: MOLEX - Product Info Url: https://lcsc.com/product-detail/Pre-ordered-Products_MOLEX_22052051_MOLEX-22052051_C586988.html - Role: Connector - JLCPCB Part Class: Extended Part - LCSC Part Number: C586988 - Package or Case Code: HDR-TH_5P-P2.54H-M-W9.5 - Manufacturer Part Number: 22052051 - Role Details: RCWL-0516 radar interface header - Part Type: Pin Headers **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J5 — [Pin Header 01x06 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x06-2p54mm-vertical.md) - Part Type: Connector - Role Details: UART/Flash Programming Header for ESP32-CAM - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### J6 — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical.md) - Pin3Label: GND - Pin1Label: VCC - Role Details: Power-path selector jumper, 3 positions: USB-C, battery, solar - Pin2Label: OUT - Role: Connector - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### LDO1 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://www.adafruit.com/product/2745 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### MPPT1 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical.md) - Purchase Url: https://www.amazon.com/Taidacent-Chargers-Battery-Controller-Charging/dp/B089ZVSQ4K?th=1 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.laskakit.cz/user/related_files/dse-cn3791-2.pdf - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### Q1 — [AO3401A](https://www.flux.ai/lcsc/ao3401a.md) - LCSC Part Number: C347476 - Drain to Source Voltage: 30V - Manufacturer Name: UMW(友台半导体) - Manufacturer Part Number: AO3401A - JLCPCB Part Class: Extended Part - Role: Protection - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2311091734_UMW-Youtai-Semiconductor-Co---Ltd--AO3401A_C347476.pdf - Package or Case Code: SOT-23_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3401A-4-1A_C347476.html - Part Type: MOSFETs - Continuous Drain Current: 5A at 25°C - Role Details: Reverse Polarity Protection - Transistor Type: N-channel MOSFET **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### SW1 — [TL4115AF220Q](https://www.flux.ai/adrian95/tl4115af220q.md) - Package or Case Code: TL4115AF220Q - Manufacturer Name: E-Switch - Role: Debouncing - Datasheet URL: https://configured-product-images.s3.amazonaws.com/2D/specs/TL4115AF220Q.pdf - Manufacturer Part Number: TL4115AF220Q - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch - Role Details: Reset button **Pins:** - COM [pin 1] - MP1 [pin MP1] - MP2 [pin MP2] - NO [pin 2] ### SW2 — [TL4115AF220Q](https://www.flux.ai/adrian95/tl4115af220q.md) - Role Details: User button - Part Type: Switch - Datasheet URL: https://configured-product-images.s3.amazonaws.com/2D/specs/TL4115AF220Q.pdf - Manufacturer Part Number: TL4115AF220Q - License: https://creativecommons.org/licenses/by/4.0/ - Role: Debouncing - Package or Case Code: TL4115AF220Q - Manufacturer Name: E-Switch **Pins:** - COM [pin 1] - MP1 [pin MP1] - MP2 [pin MP2] - NO [pin 2] ### TP1 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role: Test Point - Role Details: Test pad for +3.3V net **Pins:** - P1 ### TP2 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: Test pad for VBAT net - Role: Test Point **Pins:** - P1 ### TP3 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role Details: Test pad for 5V net - Role: Test Point **Pins:** - P1 ### TP4 — [1.25mm SMD Test Point](https://www.flux.ai/jharwinbarrozo/1p25mm-smd-test-point.md) - Role: Test Point - Role Details: Test pad for GND net **Pins:** - P1 ### U1 — [ESP32-CAM](https://www.flux.ai/vasy_skral/esp32-cam.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Processor - Symbol Style: Parametric - Datasheet URL: https://www.universal-solder.ca/downloads/ESP32-CAM.pdf - Manufacturer Name: Ai-Thinker - Part Type: Development Board - Role Details: Main MCU and camera module - Manufacturer Part Number: Ai-Thinker ESP32-CAM WiFi BT BLE **Pins:** - .GND [pin P$9] - 3V3 [pin P$16] - 3V3. [pin P$12] - 5V [pin P$1] - GND [pin P$2] - GND. [pin P$13] - IO0 [pin P$14] - IO1/U0T [pin P$10] - IO12 [pin P$3] - IO13 [pin P$4] - IO14 [pin P$6] - IO15 [pin P$5] - IO16 [pin P$15] - IO2 [pin P$7] - IO3/U0R [pin P$11] - IO4 [pin P$8] ### U2 — [MCP73871-2CCI/ML](https://www.flux.ai/adrian95/mcp73871-2cciml.md) - Manufacturer Part Number: MCP73871-2CCI/ML - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Microchip Technology - Role: Power Management - Role Details: Li-ion battery charger IC - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73871-Data-Sheet-20002090E.pdf **Pins:** - ~PG [pin 6] - ~TE [pin 9] - CE [pin 17] - EP [pin 21] - IN_1 [pin 18] - IN_2 [pin 19] - OUT_1 [pin 1] - OUT_2 [pin 20] - PROG1 [pin 13] - PROG2 [pin 4] - PROG3 [pin 12] - SEL [pin 3] - STAT1/~LBO [pin 8] - STAT2 [pin 7] - THERM [pin 5] - VBAT_1 [pin 14] - VBAT_2 [pin 15] - VBAT_SENSE [pin 16] - VPCC [pin 2] - VSS_1 [pin 10] - VSS_2 [pin 11] ### U3 — [TPS63031DSKR](https://www.flux.ai/adrian95/tps63031dskr.md) - Role: Power Conversion - Manufacturer Part Number: TPS63031DSKR - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 3.3 V buck-boost regulator - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps63030.pdf **Pins:** - EN [pin 6] - EP [pin 11] - FB [pin 10] - GND [pin 9] - L1 [pin 4] - L2 [pin 2] - PGND [pin 3] - PS/SYNC [pin 7] - VIN [pin 5] - VINA [pin 8] - VOUT [pin 1] ### U4 — [AP22916BCA4-7](https://www.flux.ai/collinsemasi/ap22916bca4-7.md) - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP22916.pdf - Manufacturer Name: Diodes Incorporated - Manufacturer Part Number: AP22916BCA4-7 - Role: Power Management - Role Details: Load-switch power-gating IC **Pins:** - GND [pin B1] - ON [pin B2] - VIN [pin A2] - VOUT [pin A1] ### U5 — [LD1117-3.3](https://www.flux.ai/lcsc/ld1117-3p3.md) - Role Details: 3.3 V linear regulator for ESP32-CAM (800 mA) - LCSC Part Number: C347229 - Part Type: Linear Voltage Regulators (LDO) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2411011726_UMW-Youtai-Semiconductor-Co---Ltd--LD1117-3-3_C347229.pdf - JLCPCB Part Class: Extended Part - Role: Power Conversion - Manufacturer Name: UMW(友台半导体) - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-LD1117-3-3_C347229.html - Manufacturer Part Number: LD1117-3.3 - Package or Case Code: SOT-223_L6.7-W3.5-P2.30-BR **Pins:** - ADJ(GND) [pin 1] - IN [pin 3] - TAB [pin 4] - VOUT(TAB) [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/markwuflux/native-bee-hotel-v2](https://www.flux.ai/markwuflux/native-bee-hotel-v2).* --- *Generated from [https://www.flux.ai/markwuflux/native-bee-hotel-v2](https://www.flux.ai/markwuflux/native-bee-hotel-v2)*