# Bee Monitor Central Controller – Board 1 ## Description Beginner-prototype solar bee monitor central controller using a plug-in 38-pin ESP32 NodeMCU-32, breakout sensor interfaces, switched camera and gate power, RS-485, monitored rails, and isolated safety-critical 2S charging/protection interfaces pending fully verified implementations. ## Project Details - **Owner:** elite2279 - **Created:** 7/26/2026 - **Last Updated:** 7/26/2026 - **Visibility:** Public - **Copies:** 1 ## Key Components ### CCAM_IN — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Role: Decoupling - Package: SMD_0805_2012Metric - Voltage Rating: 10V - Part Type: Non-Polarized Capacitor - Role Details: Camera switch 5V input bypass - Capacitance: 10uF **Pins:** - P1 [pin 1] - P2 [pin 2] ### CCAM_OUT — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Part Type: Non-Polarized Capacitor - Voltage Rating: 10V - Role: Bulk - Role Details: CAM_5V_SW WiFi burst reservoir - Package: H_RADIAL-P2.5_D6.3_H11.0 - Capacitance: 100uF **Pins:** - P1 [pin 1] - P2 [pin 2] ### CGATE_IN — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Package: SMD_0805_2012Metric - Part Type: Non-Polarized Capacitor - Voltage Rating: 10V - Role: Decoupling - Role Details: Gate switch 5V input bypass - Capacitance: 10uF **Pins:** - P1 [pin 1] - P2 [pin 2] ### CGATE_OUT — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Role Details: GATE_5V_SW remote transient reservoir - Voltage Rating: 10V - Part Type: Non-Polarized Capacitor - Package: H_RADIAL-P2.5_D6.3_H11.0 - Role: Bulk - Capacitance: 100uF **Pins:** - P1 [pin 1] - P2 [pin 2] ### CMUX — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Role: Decoupling - Role Details: TCA9548A VCC bypass - Capacitance: 100nF - Package: SMD_0603_1608Metric - Voltage Rating: 10V - Part Type: Non-Polarized Capacitor **Pins:** - P1 [pin 1] - P2 [pin 2] ### CRS485 — [Generic Capacitor](https://www.flux.ai/jharwinbarrozo/generic-capacitor~1d.md) - Voltage Rating: 10V - Role Details: SN65HVD75 VCC bypass - Part Type: Non-Polarized Capacitor - Package: SMD_0603_1608Metric - Role: Decoupling - Capacitance: 100nF **Pins:** - P1 [pin 1] - P2 [pin 2] ### D_RS485 — [SM712-02HTG](https://www.flux.ai/adrian95/sm712-02htg~cby.md) - Datasheet URL: https://www.littelfuse.com/media?resourcetype=datasheets&itemid=a4019802-ff62-41ff-bf66-295f97422f81&filename=littelfuse-tvs-diode-array-sm712-datasheet - Manufacturer Part Number: SM712-02HTG - Mount: Surface Mount - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Littelfuse - Part Type: Diodes - Package or Case Code: SOT-23 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J_ADXL345 — [Pin Header 01x06 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x06-2p54mm-vertical~lzd.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: 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] ### J_BAT — [430450400](https://www.flux.ai/lcsc/430450400~ksp8.md) - Datasheet URL: https://www.lcsc.com/datasheet/C779799.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VeUFZQT1lXUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - JLCPCB Part Class: Extended Part - Symbol Style: parametric-v1 - Manufacturer Name: MOLEX - Part Type: Connector - Manufacturer Part Number: 430450400 - Voltage Rating: 600V - Connector Positions: 4 - LCSC Part Number: C779799 - Current Rating: 8A - Connector Gender: Male - Package or Case Code: CONN-TH_0430450400 - Connector Type: Headers and Wire Housings - Operating Temperature: -40°C ~ 105°C - Connector Pitch: 3mm - License: https://creativecommons.org/licenses/by/4.0/ - Connector Rows: 2 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J_CAM — [TSW-104-07-G-S](https://www.flux.ai/adrian95/tsw-104-07-g-s~983.md) - Part Type: Connector - Package or Case Code: TSW10407GS - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: http://suddendocs.samtec.com/prints/tsw-xxx-xx-xxx-x-xx-xxx-mkt.pdf - Manufacturer Name: Samtec Inc. - Manufacturer Part Number: TSW-104-07-G-S **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J_GATE — [1729034](https://www.flux.ai/adrian95/1729034~9nu.md) - Manufacturer Part Number: 1729034 - Connector Pitch: 5mm - Manufacturer Name: Phoenix Contact - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: http://www.phoenixcontact.com/de/produkte/1729034/pdf - Connector Rows: 1 - Connector Type: Terminal Blocks - Connector Positions: 4 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J_HX711 — [Pin Header 01x04 2.54mm](https://www.flux.ai/vasyl/pin-header-01x04-254mm~de3.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_2 - Pin_3 - Pin_4 ### J_INMP441 — [TSW-105-07-G-S](https://www.flux.ai/adrian95/tsw-105-07-g-s~klw.md) - Datasheet: https://suddendocs.samtec.com/productspecs/tsw-sxx.pdf - Manufacturer Name: Samtec - Manufacturer Part Number: TSW-105-07-G-S - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://suddendocs.samtec.com/catalog_english/tsw_th.pdf **Pins:** - 01 [pin 01] - 02 [pin 02] - 03 [pin 03] - 04 [pin 04] - 05 [pin 05] ### J_MCU_L — [Pin Socket 01x19 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x19-254mm-vertical~zmd.md) - Role Details: 2.54 mm pitch 1x19 female row; 25.4 mm assumed row spacing, verify exact purchased module before PCB work - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role: Module Carrier **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - Pin_17 [pin 17] - Pin_18 [pin 18] - Pin_19 [pin 19] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### J_MCU_R — [Pin Socket 01x19 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x19-254mm-vertical~zmd.md) - Role: Module Carrier - Role Details: 2.54 mm pitch 1x19 female row; 25.4 mm assumed row spacing, verify exact purchased module before PCB work - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - Pin_17 [pin 17] - Pin_18 [pin 18] - Pin_19 [pin 19] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### J_MPU6050 — [215079-4](https://www.flux.ai/lcsc/215079-4~8v9z.md) - Manufacturer Name: TE Connectivity(泰科电子) - Product Info Url: https://lcsc.com/product-detail/Others_TE-Connectivity_215079-4_TE-Connectivity-215079-4_C306232.html - JLCPCB Part Class: Extended Part - Part Type: Wire To Board / Wire To Wire Connector - Manufacturer Part Number: 215079-4 - LCSC Part Number: C306232 - Package or Case Code: CONN-TH_4P-P2.54-S2.54_L5.2-W7.1 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_TE-Connectivity-215079-4_C306232.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J_OPT3001 — [215079-4](https://www.flux.ai/lcsc/215079-4~8v9z.md) - Product Info Url: https://lcsc.com/product-detail/Others_TE-Connectivity_215079-4_TE-Connectivity-215079-4_C306232.html - Manufacturer Name: TE Connectivity(泰科电子) - JLCPCB Part Class: Extended Part - Part Type: Wire To Board / Wire To Wire Connector - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_TE-Connectivity-215079-4_C306232.pdf - Package or Case Code: CONN-TH_4P-P2.54-S2.54_L5.2-W7.1 - LCSC Part Number: C306232 - Manufacturer Part Number: 215079-4 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J_SCD40 — [215079-4](https://www.flux.ai/lcsc/215079-4~8v9z.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: TE Connectivity(泰科电子) - Product Info Url: https://lcsc.com/product-detail/Others_TE-Connectivity_215079-4_TE-Connectivity-215079-4_C306232.html - Manufacturer Part Number: 215079-4 - LCSC Part Number: C306232 - Package or Case Code: CONN-TH_4P-P2.54-S2.54_L5.2-W7.1 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_TE-Connectivity-215079-4_C306232.pdf - Part Type: Wire To Board / Wire To Wire Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J_SHT31 — [215079-4](https://www.flux.ai/lcsc/215079-4~8v9z.md) - Product Info Url: https://lcsc.com/product-detail/Others_TE-Connectivity_215079-4_TE-Connectivity-215079-4_C306232.html - Manufacturer Name: TE Connectivity(泰科电子) - JLCPCB Part Class: Extended Part - Part Type: Wire To Board / Wire To Wire Connector - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_TE-Connectivity-215079-4_C306232.pdf - Package or Case Code: CONN-TH_4P-P2.54-S2.54_L5.2-W7.1 - LCSC Part Number: C306232 - Manufacturer Part Number: 215079-4 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### J_SOLAR — [691137710002](https://www.flux.ai/adrian95/691137710002~c39.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth Elektronik - Part Type: Connector - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Part Number: 691137710002 **Pins:** - 1 [pin 1] - 2 [pin 2] ### JP_TERM — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### RCAM_EN_PD — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Role Details: CAM_PWR_EN hardware pull-down, TPS2034 active-high - Package: SMD_0603_1608Metric - Role: Pull Up/Down - Resistance: 100kΩ - Part Type: Resistor **Pins:** - P1 [pin 1] - P2 [pin 2] ### RGATE_EN_PD — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Role: Pull Up/Down - Resistance: 100kΩ - Part Type: Resistor - Role Details: GATE_PWR_EN hardware pull-down, TPS2034 active-high - Package: SMD_0603_1608Metric **Pins:** - P1 [pin 1] - P2 [pin 2] ### TP_5V — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_B1 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Role: Sensing (Shunt) - Manufacturer Part Number: 4952 - Role Details: Raw 2S cell midpoint; remains isolated from incomplete primary protection block - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector **Pins:** - ~ [pin TP] ### TP_NTC — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Part Number: 4952 - Role Details: Raw pack NTC interface; remains isolated from incomplete charger/protection blocks - Manufacturer Name: Keystone - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector - Role: Sensing (Shunt) **Pins:** - ~ [pin TP] ### TP1 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Part Type: Connector **Pins:** - ~ [pin TP] ### TP2 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Part Type: Connector **Pins:** - ~ [pin TP] ### TP3 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 **Pins:** - ~ [pin TP] ### TP4 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - ~ [pin TP] ### TP5 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector **Pins:** - ~ [pin TP] ### TP6 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector **Pins:** - ~ [pin TP] ### TP7 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Part Type: Connector - Manufacturer Name: Keystone - Manufacturer Part Number: 4952 - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf **Pins:** - ~ [pin TP] ### TP8 — [4952](https://www.flux.ai/cherepanyadima/4952~hh.md) - Manufacturer Part Number: 4952 - Manufacturer Name: Keystone - Datasheet URL: https://www.keyelco.com/userAssets/file/K75p63.pdf - Part Type: Connector **Pins:** - ~ [pin TP] ### U_3V3 — [TLV62568DBV](https://www.flux.ai/kicad-part-library/tlv62568dbv~wuy.md) - Manufacturer Part Number: TLV62568DBV - Package or Case Code: SOT-23-5 - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: http://www.ti.com/lit/ds/symlink/tlv62568.pdf **Pins:** - EN [pin 1] - FB [pin 5] - GND [pin 2] - SW [pin 3] - VIN [pin 4] ### U_5V — [TPS56637RPAR](https://www.flux.ai/adrian95/tps56637rpar~qg.md) - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Role Details: Protected 2S input 6.0-8.4V to regulated 5V, up to 6A; TI TPS56637 reference design - Manufacturer Part Number: TPS56637RPAR - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps56637.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: 5V Buck Regulator **Pins:** - AGND [pin 3] - BOOT [pin 7] - EN [pin 1] - FB [pin 2] - MODE [pin 10] - NC [pin 5] - PG [pin 4] - PGND [pin 9] - SW [pin 6] - VIN_1 [pin 8] - VIN_2 [pin 11] - VIN_3 [pin 12] - VIN_4 [pin 13] ### U_CAM_SW — [TPS2034](https://www.flux.ai/jecstronic/tps2034~fko.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Texas%20Instruments%20PDFs/TPS2030-34_Rev2007.pdf - Part Type: Power Management - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS2034 **Pins:** - EN [pin 4] - GND [pin 1] - IN [pin 2] - IN [pin 3] - OC [pin 5] - OUT [pin 8] - OUT [pin 7] - OUT [pin 6] ### U_GATE_SW — [TPS2034](https://www.flux.ai/jecstronic/tps2034~fko.md) - Manufacturer Name: Texas Instruments - Part Type: Power Management - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Texas%20Instruments%20PDFs/TPS2030-34_Rev2007.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TPS2034 **Pins:** - EN [pin 4] - GND [pin 1] - IN [pin 2] - IN [pin 3] - OC [pin 5] - OUT [pin 8] - OUT [pin 7] - OUT [pin 6] ### U_MUX — [TCA9548APWR](https://www.flux.ai/jecstronic/tca9548apwr~9rs.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftca9548a - Manufacturer Part Number: TCA9548APWR - Manufacturer Name: Texas Instruments **Pins:** - ~RESET [pin 3] - A0 [pin 1] - A1 [pin 2] - A2 [pin 21] - GND [pin 12] - SC0 [pin 5] - SC1 [pin 7] - SC2 [pin 9] - SC3 [pin 11] - SC4 [pin 14] - SC5 [pin 16] - SC6 [pin 18] - SC7 [pin 20] - SCL [pin 22] - SD0 [pin 4] - SD1 [pin 6] - SD2 [pin 8] - SD3 [pin 10] - SD4 [pin 13] - SD5 [pin 15] - SD6 [pin 17] - SD7 [pin 19] - SDA [pin 23] - VCC [pin 24] ### U_RS485 — [SN65HVD75DR](https://www.flux.ai/jharwinbarrozo/sn65hvd75dr~v4.md) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn65hvd75 - Manufacturer Part Number: SN65HVD75DR - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments **Pins:** - ~RE [pin 2] - A [pin 6] - B [pin 7] - D [pin 4] - DE [pin 3] - GND [pin 5] - R [pin 1] - VCC [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/elite2279/bee-monitor-central-controller-board-1](https://www.flux.ai/elite2279/bee-monitor-central-controller-board-1).* --- *Generated from [https://www.flux.ai/elite2279/bee-monitor-central-controller-board-1](https://www.flux.ai/elite2279/bee-monitor-central-controller-board-1)*