# 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://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### D\_5V\_LOGIC — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### D\_5V\_MOT — [150060RS73220](https://flux.ai/vasy_skral/150060rs73220~kj9.md)

- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060RS73220\.pdf
- Part Type: LED
- Manufacturer Part Number: 150060RS73220

**Pins:**
- A [pin 2]
- K [pin 1]

### D\_BAT\_RP — [SS34](https://flux.ai/lcsc/ss34~6q67.md)

- Manufacturer Name: UMW\(友台半导体\)
- Reverse Voltage: 40V
- Diode Type: Schottky
- LCSC Part Number: C2758511
- Part Type: Schottky Barrier Diodes \(SBD\)
- Datasheet URL: https://www\.lcsc\.com/datasheet/C2758511\.pdf
- Forward Voltage: 0\.3V to 0\.45V
- Package or Case Code: SMB\_L4\.3\-W3\.6\-LS5\.4\-RD
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: SS34

**Pins:**
- A [pin 2]
- K [pin 1]

### D\_CHG — [150060RS73220](https://flux.ai/vasy_skral/150060rs73220~kj9.md)

- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060RS73220\.pdf
- Part Type: LED
- Manufacturer Part Number: 150060RS73220

**Pins:**
- A [pin 2]
- K [pin 1]

### D\_CHG\_RP — [B5819W\-SL](https://flux.ai/lcsc/b5819w-sl~zbhu.md)

- Datasheet URL: https://assets\.lcsc\.com/datasheet/szlcsc/Download\-ISO9001\-Certification\.pdf
- Package or Case Code: SOD\-123\_L2\.8\-W1\.8\-LS3\.7\-RD
- Max Reverse Voltage: 40V
- JLCPCB Part Class: Extended Part
- Forward Voltage: 0\.45V to 0\.50V at 1AV
- LCSC Part Number: C779676
- Part Type: Schottky Barrier Diodes \(SBD\)
- Diode Type: Schottky Diode
- Manufacturer Name: ZRE\(治润\)
- Product Info Url: https://lcsc\.com/product\-detail/Schottky\-Barrier\-Diodes\-SBD\_ZRE\-B5819W\-SL\_C779676\.html
- Manufacturer Part Number: B5819W\-SL

**Pins:**
- A [pin 2]
- C [pin 1]

### D\_DONE — [150060BS73220](https://flux.ai/vasy_skral/150060bs73220~6g.md)

- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060BS73220\.pdf
- Part Type: LED
- Manufacturer Part Number: 150060BS73220

**Pins:**
- A [pin 2]
- K [pin 1]

### D\_ESP\_USB — [B5819W\-SL](https://flux.ai/lcsc/b5819w-sl~zbhu.md)

- Datasheet URL: https://assets\.lcsc\.com/datasheet/szlcsc/Download\-ISO9001\-Certification\.pdf
- Package or Case Code: SOD\-123\_L2\.8\-W1\.8\-LS3\.7\-RD
- Max Reverse Voltage: 40V
- JLCPCB Part Class: Extended Part
- Forward Voltage: 0\.45V to 0\.50V at 1AV
- LCSC Part Number: C779676
- Part Type: Schottky Barrier Diodes \(SBD\)
- Diode Type: Schottky Diode
- Manufacturer Name: ZRE\(治润\)
- Product Info Url: https://lcsc\.com/product\-detail/Schottky\-Barrier\-Diodes\-SBD\_ZRE\-B5819W\-SL\_C779676\.html
- Manufacturer Part Number: B5819W\-SL

**Pins:**
- A [pin 2]
- C [pin 1]

### D\_LOG — [SS34](https://flux.ai/lcsc/ss34~6q67.md)

- Manufacturer Name: UMW\(友台半导体\)
- Reverse Voltage: 40V
- Diode Type: Schottky
- LCSC Part Number: C2758511
- Part Type: Schottky Barrier Diodes \(SBD\)
- Datasheet URL: https://www\.lcsc\.com/datasheet/C2758511\.pdf
- Forward Voltage: 0\.3V to 0\.45V
- Package or Case Code: SMB\_L4\.3\-W3\.6\-LS5\.4\-RD
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: SS34

**Pins:**
- A [pin 2]
- K [pin 1]

### D\_MOT — [SS34](https://flux.ai/lcsc/ss34~6q67.md)

- Manufacturer Name: UMW\(友台半导体\)
- Reverse Voltage: 40V
- Diode Type: Schottky
- LCSC Part Number: C2758511
- Part Type: Schottky Barrier Diodes \(SBD\)
- Datasheet URL: https://www\.lcsc\.com/datasheet/C2758511\.pdf
- Forward Voltage: 0\.3V to 0\.45V
- Package or Case Code: SMB\_L4\.3\-W3\.6\-LS5\.4\-RD
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: SS34

**Pins:**
- A [pin 2]
- K [pin 1]

### FB1 — [BLM21PG600SN1D](https://flux.ai/adrian95/blm21pg600sn1d~uuz.md)

- Manufacturer Name: Murata Electronics
- Datasheet URL: https://www\.murata\.com/en\-us/products/en\-us/products/productdata/8796738977822/ENFA0005\.pdf
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Ferrite Bead
- Manufacturer Part Number: BLM21PG600SN1D

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J\_BAT — [B2B\-PH\-K\-S](https://flux.ai/adrian95/b2b-ph-k-s~fx.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Datasheet URL: https://www\.jst\-mfg\.com/product/pdf/eng/ePH\.pdf
- Package or Case Code: JST\_B2B\-PH\-K\-S
- Manufacturer Part Number: B2B\-PH\-K\-S
- Manufacturer Name: JST

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J\_BU01 — [Pin Socket 02x18 2\.54mm Vertical](https://flux.ai/adrian95/pin-socket-02x18-254mm-vertical~3qt.md)

- Connector Rows: 2
- Connector Pitch: 2\.54mm
- 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\.
- License: https://creativecommons\.org/licenses/by/4\.0/
- Connector Positions: 36
- Part Type: Connector
- Role: 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\_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://flux.ai/adrian95/usb4215-03-a~kg3.md)

- Datasheet URL: https://gct\.co/files/specs/usb4215\-spec\.pdf
- Part Type: USB C
- Symbol Style: parametric\-v1
- Package or Case Code: GCT\_USB4215\-03\-A\_REVA
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: GCT
- Manufacturer Part Number: USB4215\-03\-A

**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://flux.ai/adrian95/usb4215-03-a~kg3.md)

- Datasheet URL: https://gct\.co/files/specs/usb4215\-spec\.pdf
- Part Type: USB C
- Symbol Style: parametric\-v1
- Package or Case Code: GCT\_USB4215\-03\-A\_REVA
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: GCT
- Manufacturer Part Number: USB4215\-03\-A

**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://flux.ai/adrian95/pin-header-01x05-254mm-vertical~cas.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector

**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://flux.ai/adrian95/pin-header-01x03-254mm-vertical~cp4.md)

- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]

### J\_M1 — [DB127V\-5\.08\-2P\-GN\-S](https://flux.ai/cherepanyadima/db127v-5p08-2p-gn-s~ic.md)

- Manufacturer Part Number: DB127V\-5\.08\-2P\-GN\-S
- Part Type: Connector
- Datasheet URL: https://www\.lcsc\.com/datasheet/C3018698\.pdf?spm=wm\.sxq\.inf\.ggs&lcsc\_vid=ElhbUlFSRlUNBF0CQlQIBQBUFFILBFEAQVVWUgZWE1gxVlNRQVVdVFRSQ1daVDsOAxUeFF5JWBYZEEoBGA4JCwFIFA4DSA%3D%3D
- Manufacturer Name: DORABO

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J\_M2 — [DB127V\-5\.08\-2P\-GN\-S](https://flux.ai/cherepanyadima/db127v-5p08-2p-gn-s~ic.md)

- Manufacturer Part Number: DB127V\-5\.08\-2P\-GN\-S
- Part Type: Connector
- Datasheet URL: https://www\.lcsc\.com/datasheet/C3018698\.pdf?spm=wm\.sxq\.inf\.ggs&lcsc\_vid=ElhbUlFSRlUNBF0CQlQIBQBUFFILBFEAQVVWUgZWE1gxVlNRQVVdVFRSQ1daVDsOAxUeFF5JWBYZEEoBGA4JCwFIFA4DSA%3D%3D
- Manufacturer Name: DORABO

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### LED0 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### LED1 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### LED2 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### LED3 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### LED4 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### LED5 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### LED6 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### LED7 — [150060VS55040](https://flux.ai/adrian95/150060vs55040~c2q.md)

- Part Type: LED
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060VS55040\.pdf
- Manufacturer Part Number: 150060VS55040
- Manufacturer Name: Würth Elektronik
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- A [pin 2]
- K [pin 1]

### Q1 — [MMBT3904LT1G](https://flux.ai/openpartlist/mmbt3904lt1g~s5.md)

- Manufacturer Part Number: MMBT3904LT1G
- Datasheet URL: https://www\.onsemi\.com/pdf/datasheet/mmbt3904lt1\-d\.pdf
- Manufacturer Name: onsemi
- Part Type: Transistor
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- B [pin 1]
- C [pin 3]
- E [pin 2]

### Q2 — [MMBT3904LT1G](https://flux.ai/openpartlist/mmbt3904lt1g~s5.md)

- Manufacturer Part Number: MMBT3904LT1G
- Datasheet URL: https://www\.onsemi\.com/pdf/datasheet/mmbt3904lt1\-d\.pdf
- Manufacturer Name: onsemi
- Part Type: Transistor
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- B [pin 1]
- C [pin 3]
- E [pin 2]

### S1 — [Slide Switch SW\_SPDT](https://flux.ai/404src/slide-switch-swspdt~nq.md)

- Manufacturer Part Number: SS12F44G5
- Manufacturer Name: Wealth Metal
- Purchase Url: https://www\.taydaelectronics\.com/slide\-switch\-1p2t\-through\-hole\-0\-5a\-50vdc\.html
- Datasheet URL: https://www\.taydaelectronics\.com/datasheets/A\-5111\.pdf

**Pins:**
- A [pin 1]
- B [pin 2]
- C [pin 3]

### SW\_BOOT — [TS\-1088\-AR02016](https://flux.ai/lcsc/ts-1088-ar02016~e3n1.md)

- Manufacturer Name: XUNPU\(讯普\)
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2409302330\_XUNPU\-TS\-1088\-AR02016\_C720477\.pdf
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: TS\-1088\-AR02016
- Product Info Url: https://lcsc\.com/product\-detail/Tactile\-Switches\_XUNPU\-TS\-1088\-AR02016\_C720477\.html
- LCSC Part Number: C720477
- Part Type: Tactile Switches
- Package or Case Code: SW\-SMD\_L3\.9\-W3\.0\-P4\.45

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### SW\_EN — [TS\-1088\-AR02016](https://flux.ai/lcsc/ts-1088-ar02016~e3n1.md)

- Manufacturer Name: XUNPU\(讯普\)
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2409302330\_XUNPU\-TS\-1088\-AR02016\_C720477\.pdf
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: TS\-1088\-AR02016
- Product Info Url: https://lcsc\.com/product\-detail/Tactile\-Switches\_XUNPU\-TS\-1088\-AR02016\_C720477\.html
- LCSC Part Number: C720477
- Part Type: Tactile Switches
- Package or Case Code: SW\-SMD\_L3\.9\-W3\.0\-P4\.45

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### TP\_3V3 — [Generic Testpoint](https://flux.ai/jharwinbarrozo/generic-testpoint~esx.md)

- Testpoint Size: 0\.5

**Pins:**
- P1

### TP\_3V3\_BU01 — [Generic Testpoint](https://flux.ai/jharwinbarrozo/generic-testpoint~esx.md)

- Testpoint Size: 0\.5

**Pins:**
- P1

### TP\_5V\_LOGIC — [Generic Testpoint](https://flux.ai/jharwinbarrozo/generic-testpoint~esx.md)

- Testpoint Size: 0\.5

**Pins:**
- P1

### TP\_5V\_MOT — [Generic Testpoint](https://flux.ai/jharwinbarrozo/generic-testpoint~esx.md)

- Testpoint Size: 0\.5

**Pins:**
- P1

### TP\_VBAT — [Generic Testpoint](https://flux.ai/jharwinbarrozo/generic-testpoint~esx.md)

- Testpoint Size: 0\.5

**Pins:**
- P1

### U\_BOOST\_LOG — [MT3608 \- 4414693](https://flux.ai/kicad-part-library/mt3608-4414693~ao3.md)

- Role: Boost Converter
- Package or Case Code: SOT\-23\-6
- Role Details: V\_BAT to 5V\_LOGIC rail
- 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\_BOOST\_MOT — [MT3608 \- 4414693](https://flux.ai/kicad-part-library/mt3608-4414693~ao3.md)

- Package or Case Code: SOT\-23\-6
- Role: Boost Converter
- Manufacturer Part Number: MT3608
- Role Details: V\_BAT to 5V\_MOT motor rail; MT3608 4A switch limit may not support high motor stall current
- 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://flux.ai/lcsc/ip2312uvset~4w08.md)

- Role Details: IP2312U\_VSET single\-cell Li\-ion charger; charge current set by RICHG
- Role: Battery Charger
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2009081935\_INJOINIC\-IP2312U\-VSET\_C605432\.pdf
- LCSC Part Number: C605432
- Manufacturer Part Number: IP2312U\_VSET
- JLCPCB Part Class: Extended Part
- Product Info Url: https://lcsc\.com/product\-detail/DC\-DC\-Converters\_INJOINIC\-IP2312\_C605432\.html
- Manufacturer Name: INJOINIC\(英集芯\)
- Package or Case Code: SOP\-8\_L4\.9\-W3\.9\-P1\.27\-LS6\.0\-BL\-EP
- Part Type: Battery Management ICs

**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://flux.ai/jecstronic/esp32-wroom-32e-n16~wqb.md)

- Manufacturer Part Number: ESP32\-WROOM\-32E\-N16
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: ESP32\-WROOM\-32 module; UART2 links to BU01; UART0 via USB\-UART programmer
- 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 47]
- GND [pin 43]
- GND [pin 40]
- GND [pin 44]
- GND [pin 46]
- GND [pin 45]
- GND [pin 1]
- GND [pin 38]
- GND [pin 39]
- GND [pin 42]
- GND [pin 41]
- GND [pin 15]
- 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 32]
- NC [pin 18]
- NC [pin 20]
- NC [pin 22]
- NC [pin 19]
- NC [pin 17]
- RXD0 [pin 34]
- SENSOR\_VN [pin 5]
- SENSOR\_VP [pin 4]
- TXD0 [pin 35]

### U\_L293D — [L293D](https://flux.ai/vasy_skral/l293d~9wp.md)

- 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
- Role Details: Drives J\_M1/J\_M2 from 5V\_MOT; logic on 5V\_LOGIC
- Symbol Style: Parametric
- Role: Motor Driver
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Integrated Circuit
- Manufacturer Name: STMicroelectronics

**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://flux.ai/vasy_skral/ams1117-33~34.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Voltage Regulator
- Manufacturer Name: AMS 
- Part Type: Integrated Circuit
- Symbol Style: Parametric
- Role Details: 5V\_LOGIC to 3V3; check thermal dissipation with ESP32 load
- Manufacturer Part Number: AMS1117\-3\.3
- Datasheet URL: http://www\.advanced\-monolithic\.com/pdf/ds1117\.pdf

**Pins:**
- GND [pin 1]
- TAB\(VOUT\) [pin 4]
- VIN [pin 3]
- VOUT [pin 2]

### U\_MDIR — [74HC595PW,118](https://flux.ai/vasy_skral/74hc595pwc118~lf.md)

- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/74HC\_HCT595\.pdf
- Part Type: Integrated Circuit
- Role Details: 74HC595 direction register for L293D inputs
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Nexperia USA Inc\.
- Manufacturer Part Number: 74HC595PW,118
- Role: Shift Register

**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://flux.ai/vasy_skral/74hc595pwc118~lf.md)

- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/74HC\_HCT595\.pdf
- Role: Shift Register
- Part Type: Integrated Circuit
- Role Details: 74HC595 drives LED0\.\.LED7 through 330 ohm resistors
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Nexperia USA Inc\.
- Manufacturer Part Number: 74HC595PW,118

**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://flux.ai/vasy_skral/ch340c~xfo.md)

- Datasheet URL: https://datasheet\.lcsc\.com/szlcsc/Jiangsu\-Qin\-Heng\-CH340C\_C84681\.pdf
- Part Type: Integrated Circuit
- Role Details: USB D\+/D\- to UART0 TX/RX plus DTR/RTS auto\-reset
- Manufacturer Name: Wah
- Manufacturer Part Number: CH340C
- Role: USB\-UART Bridge

**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://flux\.ai/parnmanas/smart\-tee\-marker\-robot\-controller\~zt](https://flux.ai/parnmanas/smart-tee-marker-robot-controller~zt).*

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*Generated from [https://flux\.ai/parnmanas/smart\-tee\-marker\-robot\-controller\~zt](https://flux.ai/parnmanas/smart-tee-marker-robot-controller~zt)*