# TMW_v1
## Description
Welcome to your new project. Imagine what you can build here.
## Project Details
- **Owner:** shaileshballore
- **Created:** 7/7/2025
- **Last Updated:** 7/10/2025
- **Visibility:** Public
## Key Components
### 12V — [DG129-5.0-02P](https://www.flux.ai/jecstronic/dg129-5p0-02p~g1e.md)
- Manufacturer Part Number: DG129-5.0-02P
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Connector
- Manufacturer Name: DEGSON
- Datasheet URL: https://www.degson.com/content/details_552_880684.html
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### 12vBuck — [LM2596 DC-DC buck converter](https://www.flux.ai/vasy_skral/lm2596-dc-dc-buck-converter~2q1.md)
- Part Type: Integrated Circuit
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- IN - [pin 2]
- IN + [pin 1]
- OUT - [pin 3]
- OUT + [pin 4]
### 24V — [DG129-5.0-02P](https://www.flux.ai/jecstronic/dg129-5p0-02p~g1e.md)
- Part Type: Connector
- Datasheet URL: https://www.degson.com/content/details_552_880684.html
- Manufacturer Name: DEGSON
- Manufacturer Part Number: DG129-5.0-02P
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### I2C — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Gender: Male
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- LCSC Part Number: C144395
- Manufacturer Name: JST
- Positions: 4
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_1 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Gender: Male
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Positions: 4
- Manufacturer Name: JST
- LCSC Part Number: C144395
- JLCPCB Part Class: Extended Part
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_10 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- JLCPCB Part Class: Extended Part
- Manufacturer Name: JST
- LCSC Part Number: C144395
- Positions: 4
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_11 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Positions: 4
- LCSC Part Number: C144395
- Manufacturer Name: JST
- JLCPCB Part Class: Extended Part
- Gender: Male
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_12 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C144395
- Manufacturer Name: JST
- Positions: 4
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_13 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- JLCPCB Part Class: Extended Part
- Positions: 4
- Manufacturer Name: JST
- LCSC Part Number: C144395
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Gender: Male
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_14 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Gender: Male
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Manufacturer Name: JST
- LCSC Part Number: C144395
- Positions: 4
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_15 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Gender: Male
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Positions: 4
- LCSC Part Number: C144395
- Manufacturer Name: JST
- JLCPCB Part Class: Extended Part
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_16 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C144395
- Manufacturer Name: JST
- Positions: 4
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_17 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- Manufacturer Name: JST
- LCSC Part Number: C144395
- Positions: 4
- JLCPCB Part Class: Extended Part
- Gender: Male
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_18 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C144395
- Manufacturer Name: JST
- Positions: 4
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_19 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Positions: 4
- Manufacturer Name: JST
- LCSC Part Number: C144395
- JLCPCB Part Class: Extended Part
- Gender: Male
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_2 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- JLCPCB Part Class: Extended Part
- Manufacturer Name: JST
- LCSC Part Number: C144395
- Positions: 4
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_20 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C144395
- Manufacturer Name: JST
- Positions: 4
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_21 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Gender: Male
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- LCSC Part Number: C144395
- Manufacturer Name: JST
- Positions: 4
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_3 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Gender: Male
- JLCPCB Part Class: Extended Part
- Positions: 4
- LCSC Part Number: C144395
- Manufacturer Name: JST
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_4 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Positions: 4
- Manufacturer Name: JST
- LCSC Part Number: C144395
- JLCPCB Part Class: Extended Part
- Gender: Male
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_5 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Positions: 4
- LCSC Part Number: C144395
- Manufacturer Name: JST
- JLCPCB Part Class: Extended Part
- Gender: Male
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_6 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C144395
- Manufacturer Name: JST
- Positions: 4
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_7 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Positions: 4
- LCSC Part Number: C144395
- Manufacturer Name: JST
- JLCPCB Part Class: Extended Part
- Gender: Male
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_8 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Positions: 4
- Manufacturer Name: JST
- LCSC Part Number: C144395
- JLCPCB Part Class: Extended Part
- Gender: Male
- Pitch: 2.5mm
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Part Type: Wire To Board / Wire To Wire Connector
- Rows: 1
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### LOCKER_9 — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Connector Type: Wire-to-board Header
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- JLCPCB Part Class: Extended Part
- Manufacturer Name: JST
- LCSC Part Number: C144395
- Positions: 4
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### PROGRAMMING — [B4B-XH-A(LF)(SN)](https://www.flux.ai/lcsc/b4b-xh-alfsn~so1x.md)
- Manufacturer Part Number: B4B-XH-A(LF)(SN)
- Rows: 1
- Part Type: Wire To Board / Wire To Wire Connector
- Product Info Url: https://lcsc.com/product-detail/_JST-Sales-America_B4B-XH-A-LF-SN_JST-Sales-America-B4B-XH-A-LF-SN_C144395.html
- Connector Type: Wire-to-board Header
- Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-B4B-XH-A-LF-SN_C144395.pdf
- Package or Case Code: CONN-TH_B4B-XH-A-LF-SN
- Pitch: 2.5mm
- Gender: Male
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C144395
- Manufacturer Name: JST
- Positions: 4
**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
### STM32F107 — [STM32F107VCT6TR](https://www.flux.ai/lcsc/stm32f107vct6tr~6u0l.md)
- LCSC Part Number: C967641
- Manufacturer Name: ST(意法半导体)
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: STM32F107VCT6TR
- Package or Case Code: LQFP-100_L14.0-W14.0-P0.50-LS16.0-BL
**Pins:**
- BOOT0 [pin 94]
- NC [pin 73]
- NRST [pin 14]
- OSC_IN [pin 12]
- OSC_OUT [pin 13]
- PA0-WKUP [pin 23]
- PA1 [pin 24]
- PA10 [pin 69]
- PA11 [pin 70]
- PA12 [pin 71]
- PA13 [pin 72]
- PA14 [pin 76]
- PA15 [pin 77]
- PA2 [pin 25]
- PA3 [pin 26]
- PA4 [pin 29]
- PA5 [pin 30]
- PA6 [pin 31]
- PA7 [pin 32]
- PA8 [pin 67]
- PA9 [pin 68]
- PB0 [pin 35]
- PB1 [pin 36]
- PB10 [pin 47]
- PB11 [pin 48]
- PB12 [pin 51]
- PB13 [pin 52]
- PB14 [pin 53]
- PB15 [pin 54]
- PB2 [pin 37]
- PB3 [pin 89]
- PB4 [pin 90]
- PB5 [pin 91]
- PB6 [pin 92]
- PB7 [pin 93]
- PB8 [pin 95]
- PB9 [pin 96]
- PC0 [pin 15]
- PC1 [pin 16]
- PC10 [pin 78]
- PC11 [pin 79]
- PC12 [pin 80]
- PC13-TAMPER-RTC [pin 7]
- PC14-OSC32_IN [pin 8]
- PC15-OSC32_OUT [pin 9]
- PC2 [pin 17]
- PC3 [pin 18]
- PC4 [pin 33]
- PC5 [pin 34]
- PC6 [pin 63]
- PC7 [pin 64]
- PC8 [pin 65]
- PC9 [pin 66]
- PD0 [pin 81]
- PD1 [pin 82]
- PD10 [pin 57]
- PD11 [pin 58]
- PD12 [pin 59]
- PD13 [pin 60]
- PD14 [pin 61]
- PD15 [pin 62]
- PD2 [pin 83]
- PD3 [pin 84]
- PD4 [pin 85]
- PD5 [pin 86]
- PD6 [pin 87]
- PD7 [pin 88]
- PD8 [pin 55]
- PD9 [pin 56]
- PE0 [pin 97]
- PE1 [pin 98]
- PE10 [pin 41]
- PE11 [pin 42]
- PE12 [pin 43]
- PE13 [pin 44]
- PE14 [pin 45]
- PE15 [pin 46]
- PE2 [pin 1]
- PE3 [pin 2]
- PE4 [pin 3]
- PE5 [pin 4]
- PE6 [pin 5]
- PE7 [pin 38]
- PE8 [pin 39]
- PE9 [pin 40]
- VBAT [pin 6]
- VDD_1 [pin 50]
- VDD_2 [pin 75]
- VDD_3 [pin 100]
- VDD_4 [pin 28]
- VDD_5 [pin 11]
- VDDA [pin 22]
- VREF- [pin 20]
- VREF+ [pin 21]
- VSS_1 [pin 49]
- VSS_2 [pin 74]
- VSS_3 [pin 99]
- VSS_4 [pin 27]
- VSS_5 [pin 10]
- VSSA [pin 19]
### U1 — [ULN2003A](https://www.flux.ai/jecstronic/uln2003a~v8w.md)
- Manufacturer Part Number: ULN2003A
- Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/f3/6e/c8/64/4d/b3/4e/38/CD00001244.pdf/files/CD00001244.pdf/jcr:content/translations/en.CD00001244.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Transistor Array
- Manufacturer Name: STMicroelectronics
**Pins:**
- COM [pin 9]
- GND [pin 8]
- I1 [pin 1]
- I2 [pin 2]
- I3 [pin 3]
- I4 [pin 4]
- I5 [pin 5]
- I6 [pin 6]
- I7 [pin 7]
- O1 [pin 16]
- O2 [pin 15]
- O3 [pin 14]
- O4 [pin 13]
- O5 [pin 12]
- O6 [pin 11]
- O7 [pin 10]
### U2 — [ULN2003A](https://www.flux.ai/jecstronic/uln2003a~v8w.md)
- Manufacturer Name: STMicroelectronics
- Part Type: Transistor Array
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/f3/6e/c8/64/4d/b3/4e/38/CD00001244.pdf/files/CD00001244.pdf/jcr:content/translations/en.CD00001244.pdf
- Manufacturer Part Number: ULN2003A
**Pins:**
- COM [pin 9]
- GND [pin 8]
- I1 [pin 1]
- I2 [pin 2]
- I3 [pin 3]
- I4 [pin 4]
- I5 [pin 5]
- I6 [pin 6]
- I7 [pin 7]
- O1 [pin 16]
- O2 [pin 15]
- O3 [pin 14]
- O4 [pin 13]
- O5 [pin 12]
- O6 [pin 11]
- O7 [pin 10]
### U3 — [ULN2003A](https://www.flux.ai/jecstronic/uln2003a~v8w.md)
- Manufacturer Part Number: ULN2003A
- Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/f3/6e/c8/64/4d/b3/4e/38/CD00001244.pdf/files/CD00001244.pdf/jcr:content/translations/en.CD00001244.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Part Type: Transistor Array
- Manufacturer Name: STMicroelectronics
**Pins:**
- COM [pin 9]
- GND [pin 8]
- I1 [pin 1]
- I2 [pin 2]
- I3 [pin 3]
- I4 [pin 4]
- I5 [pin 5]
- I6 [pin 6]
- I7 [pin 7]
- O1 [pin 16]
- O2 [pin 15]
- O3 [pin 14]
- O4 [pin 13]
- O5 [pin 12]
- O6 [pin 11]
- O7 [pin 10]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/shaileshballore/tmwv1~py](https://www.flux.ai/shaileshballore/tmwv1~py).*
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*Generated from [https://www.flux.ai/shaileshballore/tmwv1~py](https://www.flux.ai/shaileshballore/tmwv1~py)*