# Smart Tee Marker Robot Controller ## Description 2-layer single-cell Li-ion robot controller with BU01 UWB module socket, ESP32 Wi-Fi uplink, dual motor driver, isolated 5 V boost rails, onboard charging, status LEDs, and sensor connectors. ## Project Details - **Owner:** parnmanas - **Created:** 6/1/2026 - **Last Updated:** 6/1/2026 - **Visibility:** Public ## Key Components ### D_3V3 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth Elektronik - Part Type: LED - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Manufacturer Part Number: 150060VS55040 **Pins:** - A [pin 2] - K [pin 1] ### D_5V_LOGIC — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Manufacturer Part Number: 150060VS55040 - Manufacturer Name: Würth Elektronik - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### D_5V_MOT — [150060RS73220](https://www.flux.ai/vasy_skral/150060rs73220~kj9.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth Elektronik - Part Type: LED - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060RS73220.pdf - Manufacturer Part Number: 150060RS73220 **Pins:** - A [pin 2] - K [pin 1] ### D_BAT_RP — [SS34](https://www.flux.ai/lcsc/ss34~6q67.md) - Reverse Voltage: 40V - Forward Voltage: 0.3V to 0.45V - Datasheet URL: https://www.lcsc.com/datasheet/C2758511.pdf - Diode Type: Schottky - JLCPCB Part Class: Extended Part - Manufacturer Part Number: SS34 - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C2758511 - Manufacturer Name: UMW(友台半导体) - Package or Case Code: SMB_L4.3-W3.6-LS5.4-RD **Pins:** - A [pin 2] - K [pin 1] ### D_CHG — [150060RS73220](https://www.flux.ai/vasy_skral/150060rs73220~kj9.md) - Manufacturer Part Number: 150060RS73220 - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060RS73220.pdf - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth Elektronik **Pins:** - A [pin 2] - K [pin 1] ### D_CHG_RP — [B5819W-SL](https://www.flux.ai/lcsc/b5819w-sl~zbhu.md) - JLCPCB Part Class: Extended Part - LCSC Part Number: C779676 - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_ZRE-B5819W-SL_C779676.html - Part Type: Schottky Barrier Diodes (SBD) - Forward Voltage: 0.45V to 0.50V at 1AV - Max Reverse Voltage: 40V - Manufacturer Name: ZRE(治润) - Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf - Diode Type: Schottky Diode - Manufacturer Part Number: B5819W-SL **Pins:** - A [pin 2] - C [pin 1] ### D_DONE — [150060BS73220](https://www.flux.ai/vasy_skral/150060bs73220~6g.md) - Manufacturer Name: Würth Elektronik - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 150060BS73220 - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060BS73220.pdf - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### D_ESP_USB — [B5819W-SL](https://www.flux.ai/lcsc/b5819w-sl~zbhu.md) - Manufacturer Name: ZRE(治润) - Max Reverse Voltage: 40V - Forward Voltage: 0.45V to 0.50V at 1AV - Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf - Diode Type: Schottky Diode - Manufacturer Part Number: B5819W-SL - JLCPCB Part Class: Extended Part - LCSC Part Number: C779676 - Package or Case Code: SOD-123_L2.8-W1.8-LS3.7-RD - Part Type: Schottky Barrier Diodes (SBD) - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_ZRE-B5819W-SL_C779676.html **Pins:** - A [pin 2] - C [pin 1] ### D_LOG — [SS34](https://www.flux.ai/lcsc/ss34~6q67.md) - Forward Voltage: 0.3V to 0.45V - Datasheet URL: https://www.lcsc.com/datasheet/C2758511.pdf - Reverse Voltage: 40V - Diode Type: Schottky - JLCPCB Part Class: Extended Part - Package or Case Code: SMB_L4.3-W3.6-LS5.4-RD - Part Type: Schottky Barrier Diodes (SBD) - Manufacturer Part Number: SS34 - Manufacturer Name: UMW(友台半导体) - LCSC Part Number: C2758511 **Pins:** - A [pin 2] - K [pin 1] ### D_MOT — [SS34](https://www.flux.ai/lcsc/ss34~6q67.md) - Package or Case Code: SMB_L4.3-W3.6-LS5.4-RD - Manufacturer Part Number: SS34 - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C2758511 - Manufacturer Name: UMW(友台半导体) - Diode Type: Schottky - JLCPCB Part Class: Extended Part - Forward Voltage: 0.3V to 0.45V - Datasheet URL: https://www.lcsc.com/datasheet/C2758511.pdf - Reverse Voltage: 40V **Pins:** - A [pin 2] - K [pin 1] ### FB1 — [BLM21PG600SN1D](https://www.flux.ai/adrian95/blm21pg600sn1d~uuz.md) - Part Type: Ferrite Bead - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.murata.com/en-us/products/en-us/products/productdata/8796738977822/ENFA0005.pdf - Manufacturer Part Number: BLM21PG600SN1D - Manufacturer Name: Murata Electronics **Pins:** - 1 [pin 1] - 2 [pin 2] ### J_BAT — [B2B-PH-K-S](https://www.flux.ai/adrian95/b2b-ph-k-s~fx.md) - Package or Case Code: JST_B2B-PH-K-S - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Manufacturer Name: JST - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Part Number: B2B-PH-K-S **Pins:** - 1 [pin 1] - 2 [pin 2] ### J_BU01 — [Pin Socket 02x18 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-02x18-254mm-vertical~3qt.md) - Connector Rows: 2 - Role: Connector - Connector Positions: 36 - License: https://creativecommons.org/licenses/by/4.0/ - Connector Pitch: 2.54mm - Part Type: Connector - Role Details: NodeMCU BU-01 carrier socket corrected from photos: board uses 2x18 2.54mm headers. Current schematic preserves prior logical signal assignment on Pins 1-17 and marks extra pins NC; exact silkscreen-to-pin-number order still requires confirmation from a measured pinout/photo orientation. **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_20 [pin 20] - Pin_21 [pin 21] - Pin_22 [pin 22] - Pin_23 [pin 23] - Pin_24 [pin 24] - Pin_25 [pin 25] - Pin_26 [pin 26] - Pin_27 [pin 27] - Pin_28 [pin 28] - Pin_29 [pin 29] - Pin_3 [pin 3] - Pin_30 [pin 30] - Pin_31 [pin 31] - Pin_32 [pin 32] - Pin_33 [pin 33] - Pin_34 [pin 34] - Pin_35 [pin 35] - Pin_36 [pin 36] - 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_CHG — [USB4215-03-A](https://www.flux.ai/adrian95/usb4215-03-a~kg3.md) - Manufacturer Name: GCT - Part Type: USB C - Datasheet URL: https://gct.co/files/specs/usb4215-spec.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: GCT_USB4215-03-A_REVA - Manufacturer Part Number: USB4215-03-A - Symbol Style: parametric-v1 **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND_A [pin A1_B12] - GND_B [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin SH1] - SHIELD [pin SH4] - SHIELD [pin SH2] - SHIELD [pin SH3] - VBUS_A [pin A4_B9] - VBUS_B [pin B4_A9] ### J_ESP_USB — [USB4215-03-A](https://www.flux.ai/adrian95/usb4215-03-a~kg3.md) - Manufacturer Name: GCT - Part Type: USB C - Datasheet URL: https://gct.co/files/specs/usb4215-spec.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: GCT_USB4215-03-A_REVA - Manufacturer Part Number: USB4215-03-A - Symbol Style: parametric-v1 **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND_A [pin A1_B12] - GND_B [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin SH1] - SHIELD [pin SH4] - SHIELD [pin SH2] - SHIELD [pin SH3] - VBUS_A [pin A4_B9] - VBUS_B [pin B4_A9] ### J_I2C — [Pin Header 01x05 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x05-254mm-vertical~cas.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J_IR — [Pin Header 01x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x03-254mm-vertical~cp4.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] ### J_M1 — [DB127V-5.08-2P-GN-S](https://www.flux.ai/cherepanyadima/db127v-5p08-2p-gn-s~ic.md) - Part Type: Connector - Datasheet URL: https://www.lcsc.com/datasheet/C3018698.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=ElhbUlFSRlUNBF0CQlQIBQBUFFILBFEAQVVWUgZWE1gxVlNRQVVdVFRSQ1daVDsOAxUeFF5JWBYZEEoBGA4JCwFIFA4DSA%3D%3D - Manufacturer Part Number: DB127V-5.08-2P-GN-S - Manufacturer Name: DORABO **Pins:** - 1 [pin 1] - 2 [pin 2] ### J_M2 — [DB127V-5.08-2P-GN-S](https://www.flux.ai/cherepanyadima/db127v-5p08-2p-gn-s~ic.md) - Manufacturer Name: DORABO - Datasheet URL: https://www.lcsc.com/datasheet/C3018698.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=ElhbUlFSRlUNBF0CQlQIBQBUFFILBFEAQVVWUgZWE1gxVlNRQVVdVFRSQ1daVDsOAxUeFF5JWBYZEEoBGA4JCwFIFA4DSA%3D%3D - Manufacturer Part Number: DB127V-5.08-2P-GN-S - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] ### LED0 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - Manufacturer Part Number: 150060VS55040 - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Part Type: LED - Manufacturer Name: Würth Elektronik - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED1 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Manufacturer Part Number: 150060VS55040 - Manufacturer Name: Würth Elektronik - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth Elektronik - Part Type: LED - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Manufacturer Part Number: 150060VS55040 **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - Manufacturer Name: Würth Elektronik - Part Type: LED - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Manufacturer Part Number: 150060VS55040 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - Manufacturer Part Number: 150060VS55040 - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Part Type: LED - Manufacturer Name: Würth Elektronik - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED5 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Manufacturer Name: Würth Elektronik - Manufacturer Part Number: 150060VS55040 - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED6 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - Manufacturer Part Number: 150060VS55040 - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Part Type: LED - Manufacturer Name: Würth Elektronik - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### LED7 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - Manufacturer Name: Würth Elektronik - Part Type: LED - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Manufacturer Part Number: 150060VS55040 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [MMBT3904LT1G](https://www.flux.ai/openpartlist/mmbt3904lt1g~s5.md) - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mmbt3904lt1-d.pdf - Manufacturer Part Number: MMBT3904LT1G - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q2 — [MMBT3904LT1G](https://www.flux.ai/openpartlist/mmbt3904lt1g~s5.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Part Number: MMBT3904LT1G - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mmbt3904lt1-d.pdf **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### S1 — [Slide Switch SW_SPDT](https://www.flux.ai/404src/slide-switch-swspdt~nq.md) - Manufacturer Part Number: SS12F44G5 - Datasheet URL: https://www.taydaelectronics.com/datasheets/A-5111.pdf - Manufacturer Name: Wealth Metal - Purchase Url: https://www.taydaelectronics.com/slide-switch-1p2t-through-hole-0-5a-50vdc.html **Pins:** - A [pin 1] - B [pin 2] - C [pin 3] ### SW_BOOT — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: XUNPU(讯普) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - Manufacturer Part Number: TS-1088-AR02016 - LCSC Part Number: C720477 - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Part Type: Tactile Switches - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW_EN — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - Manufacturer Part Number: TS-1088-AR02016 - JLCPCB Part Class: Extended Part - Manufacturer Name: XUNPU(讯普) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - LCSC Part Number: C720477 - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Part Type: Tactile Switches **Pins:** - 1 [pin 1] - 2 [pin 2] ### TP_3V3 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 **Pins:** - P1 ### TP_3V3_BU01 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 **Pins:** - P1 ### TP_5V_LOGIC — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 **Pins:** - P1 ### TP_5V_MOT — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 **Pins:** - P1 ### TP_VBAT — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 **Pins:** - P1 ### U_BOOST_LOG — [MT3608 - 4414693](https://www.flux.ai/kicad-part-library/mt3608-4414693~ao3.md) - Manufacturer Part Number: MT3608 - Datasheet URL: https://www.olimex.com/Products/Breadboarding/BB-PWR-3608/resources/MT3608.pdf - Role: Boost Converter - Package or Case Code: SOT-23-6 - Role Details: V_BAT to 5V_LOGIC rail **Pins:** - EN [pin 4] - FB [pin 3] - GND [pin 2] - IN [pin 5] - NC [pin 6] - SW [pin 1] ### U_BOOST_MOT — [MT3608 - 4414693](https://www.flux.ai/kicad-part-library/mt3608-4414693~ao3.md) - Package or Case Code: SOT-23-6 - Role Details: V_BAT to 5V_MOT motor rail; MT3608 4A switch limit may not support high motor stall current - Role: Boost Converter - Manufacturer Part Number: MT3608 - Datasheet URL: https://www.olimex.com/Products/Breadboarding/BB-PWR-3608/resources/MT3608.pdf **Pins:** - EN [pin 4] - FB [pin 3] - GND [pin 2] - IN [pin 5] - NC [pin 6] - SW [pin 1] ### U_CHG — [IP2312U_VSET](https://www.flux.ai/lcsc/ip2312uvset~4w08.md) - Role: Battery Charger - LCSC Part Number: C605432 - Role Details: IP2312U_VSET single-cell Li-ion charger; charge current set by RICHG - Part Type: Battery Management ICs - JLCPCB Part Class: Extended Part - Package or Case Code: SOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP - Product Info Url: https://lcsc.com/product-detail/DC-DC-Converters_INJOINIC-IP2312_C605432.html - Manufacturer Name: INJOINIC(英集芯) - Manufacturer Part Number: IP2312U_VSET - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2009081935_INJOINIC-IP2312U-VSET_C605432.pdf **Pins:** - BAT [pin 5] - D1 [pin 1] - D2 [pin 3] - EP [pin 9] - ICHG [pin 6] - NTC [pin 4] - SW [pin 7] - TEST [pin 2] - VIN [pin 8] ### U_ESP32 — [ESP32-WROOM-32E-N16](https://www.flux.ai/jecstronic/esp32-wroom-32e-n16~wqb.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: ESP32-WROOM-32 module; UART2 links to BU01; UART0 via USB-UART programmer - Manufacturer Part Number: ESP32-WROOM-32E-N16 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf - Role: Wi-Fi MCU - Part Type: Module - Manufacturer Name: Espressif Systems **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 43] - GND [pin 1] - GND [pin 38] - GND [pin 42] - GND [pin 40] - GND [pin 46] - GND [pin 41] - GND [pin 45] - GND [pin 15] - GND [pin 47] - GND [pin 39] - GND [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 [pin 21] - NC [pin 20] - NC [pin 32] - NC [pin 19] - NC [pin 17] - NC [pin 22] - NC [pin 18] - RXD0 [pin 34] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - TXD0 [pin 35] ### U_L293D — [L293D](https://www.flux.ai/vasy_skral/l293d~9wp.md) - Role: Motor Driver - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/04/ac/22/f9/20/5d/43/a1/CD00000059.pdf/files/CD00000059.pdf/jcr:content/translations/en.CD00000059.pdf - Manufacturer Part Number: L293D - Manufacturer Name: STMicroelectronics - Part Type: Integrated Circuit - Role Details: Drives J_M1/J_M2 from 5V_MOT; logic on 5V_LOGIC - Symbol Style: Parametric - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1A [pin 2] - 1Y [pin 3] - 2A [pin 7] - 2Y [pin 6] - 3A [pin 10] - 3Y [pin 11] - 4A [pin 15] - 4Y [pin 14] - EN1,2 [pin 1] - EN3,4 [pin 9] - GND [pin 12] - GND [pin 5] - GND [pin 13] - GND [pin 4] - VCC1 [pin 16] - VCC2 [pin 8] ### U_LDO — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33~34.md) - Manufacturer Name: AMS - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Role Details: 5V_LOGIC to 3V3; check thermal dissipation with ESP32 load - Manufacturer Part Number: AMS1117-3.3 - Symbol Style: Parametric - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf - Role: Voltage Regulator **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### U_MDIR — [74HC595PW,118](https://www.flux.ai/vasy_skral/74hc595pwc118~lf.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT595.pdf - Role: Shift Register - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 74HC595PW,118 - Role Details: 74HC595 direction register for L293D inputs - Manufacturer Name: Nexperia USA Inc. - Part Type: Integrated Circuit **Pins:** - ~OE [pin 13] - ~SRCLR [pin 10] - GND [pin 8] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH [pin 7] - QH' [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - VCC [pin 16] ### U_STAT — [74HC595PW,118](https://www.flux.ai/vasy_skral/74hc595pwc118~lf.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT595.pdf - Role Details: 74HC595 drives LED0..LED7 through 330 ohm resistors - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 74HC595PW,118 - Role: Shift Register - Part Type: Integrated Circuit - Manufacturer Name: Nexperia USA Inc. **Pins:** - ~OE [pin 13] - ~SRCLR [pin 10] - GND [pin 8] - QA [pin 15] - QB [pin 1] - QC [pin 2] - QD [pin 3] - QE [pin 4] - QF [pin 5] - QG [pin 6] - QH [pin 7] - QH' [pin 9] - RCLK [pin 12] - SER [pin 14] - SRCLK [pin 11] - VCC [pin 16] ### U_USB — [CH340C](https://www.flux.ai/vasy_skral/ch340c~xfo.md) - Manufacturer Part Number: CH340C - Role Details: USB D+/D- to UART0 TX/RX plus DTR/RTS auto-reset - Manufacturer Name: Wah - Part Type: Integrated Circuit - Role: USB-UART Bridge - Datasheet URL: https://datasheet.lcsc.com/szlcsc/Jiangsu-Qin-Heng-CH340C_C84681.pdf **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] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/parnmanas/smart-tee-marker-robot-controller~zt](https://www.flux.ai/parnmanas/smart-tee-marker-robot-controller~zt).* --- *Generated from [https://www.flux.ai/parnmanas/smart-tee-marker-robot-controller~zt](https://www.flux.ai/parnmanas/smart-tee-marker-robot-controller~zt)*