# Raspberry Pi 4 Hat
## Description
Ryan's slot mech electrical switchboard
## Project Details
- **Owner:** electricalguy59
- **Created:** 9/9/2024
- **Last Updated:** 12/23/2024
- **Visibility:** Public
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Copies:** 1
## Key Components
### 1 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md)
- Part Type: Connector
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### 12V — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md)
- Part Type: Connector
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### 2 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md)
- Part Type: Connector
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### 3 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md)
- Part Type: Connector
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### 4 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md)
- Part Type: Connector
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### 5 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md)
- Part Type: Connector
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### 5V — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md)
- Part Type: Connector
**Pins:**
- P1 [pin 2]
- P2 [pin 1]
### B1 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- LCSC Part Number: C438658
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
- Manufacturer Part Number: A1015A
- Manufacturer Name: FeiHong(飞虹)
- Part Type: Bipolar Transistors - BJT
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
### B2 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- LCSC Part Number: C438658
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
- Manufacturer Part Number: A1015A
- Manufacturer Name: FeiHong(飞虹)
- Part Type: Bipolar Transistors - BJT
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
### B3 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- Part Type: Bipolar Transistors - BJT
- Manufacturer Name: FeiHong(飞虹)
- Manufacturer Part Number: A1015A
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- LCSC Part Number: C438658
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
### B4 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- JLCPCB Part Class: Extended Part
- LCSC Part Number: C438658
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
- Part Type: Bipolar Transistors - BJT
- Manufacturer Name: FeiHong(飞虹)
- Manufacturer Part Number: A1015A
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
### B5 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- LCSC Part Number: C438658
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
- Manufacturer Part Number: A1015A
- Manufacturer Name: FeiHong(飞虹)
- Part Type: Bipolar Transistors - BJT
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
### BLL1 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- LCSC Part Number: C438658
- Part Type: Bipolar Transistors - BJT
- Manufacturer Name: FeiHong(飞虹)
- Manufacturer Part Number: A1015A
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
### H1 — [M2106-2545-AL](https://www.flux.ai/vasy_skral/m2106-2545-al~69r.md)
- Manufacturer Part Number: M2106-2545-AL
- Part Type: Standoff
- Exclude from BOM: false
- Datasheet URL: http://dpk3n3gg92jwt.cloudfront.net/domains/raf/pdf/RAF%20Catalog.pdf
- Manufacturer Name: RAF Electronic Hardware
**Pins:**
- P1 [pin 1]
### H2 — [M2106-2545-AL](https://www.flux.ai/vasy_skral/m2106-2545-al~69r.md)
- Part Type: Standoff
- Exclude from BOM: false
- Manufacturer Part Number: M2106-2545-AL
- Manufacturer Name: RAF Electronic Hardware
- Datasheet URL: http://dpk3n3gg92jwt.cloudfront.net/domains/raf/pdf/RAF%20Catalog.pdf
**Pins:**
- P1 [pin 1]
### H3 — [M2106-2545-AL](https://www.flux.ai/vasy_skral/m2106-2545-al~69r.md)
- Exclude from BOM: false
- Part Type: Standoff
- Manufacturer Part Number: M2106-2545-AL
- Manufacturer Name: RAF Electronic Hardware
- Datasheet URL: http://dpk3n3gg92jwt.cloudfront.net/domains/raf/pdf/RAF%20Catalog.pdf
**Pins:**
- P1 [pin 1]
### H4 — [M2106-2545-AL](https://www.flux.ai/vasy_skral/m2106-2545-al~69r.md)
- Manufacturer Part Number: M2106-2545-AL
- Part Type: Standoff
- Exclude from BOM: false
- Datasheet URL: http://dpk3n3gg92jwt.cloudfront.net/domains/raf/pdf/RAF%20Catalog.pdf
- Manufacturer Name: RAF Electronic Hardware
**Pins:**
- P1 [pin 1]
### Q1 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- Manufacturer Part Number: A1015A
- Manufacturer Name: FeiHong(飞虹)
- Part Type: Bipolar Transistors - BJT
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
- LCSC Part Number: C438658
- JLCPCB Part Class: Extended Part
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
### RPi1 — [Raspberry Pi 2 3 4 5 Model B](https://www.flux.ai/vasy_skral/raspberry-pi-2-3-4-5-model-b~pak.md)
- Part Type: Connector
**Pins:**
- ~CE0~/GPIO8 [pin 24]
- ~CE1~/GPIO7 [pin 26]
- 3V3 [pin 17]
- 3V3 [pin 1]
- 5V [pin 4]
- 5V [pin 2]
- GCLK0/GPIO4 [pin 7]
- GCLK1/GPIO5 [pin 29]
- GCLK2/GPIO6 [pin 31]
- GND [pin 34]
- GND [pin 6]
- GND [pin 9]
- GND [pin 30]
- GND [pin 25]
- GND [pin 14]
- GND [pin 20]
- GND [pin 39]
- GPIO14/TXD [pin 8]
- GPIO15/RXD [pin 10]
- GPIO16 [pin 36]
- GPIO17 [pin 11]
- GPIO18/PWM0 [pin 12]
- GPIO19/MISO1 [pin 35]
- GPIO20/MOSI1 [pin 38]
- GPIO21/SCLK1 [pin 40]
- GPIO22 [pin 15]
- GPIO23 [pin 16]
- GPIO24 [pin 18]
- GPIO25 [pin 22]
- GPIO26 [pin 37]
- GPIO27 [pin 13]
- ID_SC/GPIO1 [pin 28]
- ID_SD/GPIO0 [pin 27]
- MISO0/GPIO9 [pin 21]
- MOSI0/GPIO10 [pin 19]
- PWM0/GPIO12 [pin 32]
- PWM1/GPIO13 [pin 33]
- SCL/GPIO3 [pin 5]
- SCLK0/GPIO11 [pin 23]
- SDA/GPIO2 [pin 3]
### TL2 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- JLCPCB Part Class: Extended Part
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
- LCSC Part Number: C438658
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
- Part Type: Bipolar Transistors - BJT
- Manufacturer Part Number: A1015A
- Manufacturer Name: FeiHong(飞虹)
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
### TLL1 — [A1015A](https://www.flux.ai/lcsc/a1015a~m3f2.md)
- LCSC Part Number: C438658
- Package or Case Code: TO-92-3_L4.8-W3.7-P2.54-L
- Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf
- JLCPCB Part Class: Extended Part
- Product Info Url: https://lcsc.com/product-detail/Transistors-NPN-PNP_FeiHong-A1015A_C438658.html
- Manufacturer Name: FeiHong(飞虹)
- Manufacturer Part Number: A1015A
- Part Type: Bipolar Transistors - BJT
**Pins:**
- B [pin 3]
- C [pin 2]
- E [pin 1]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/electricalguy59/raspberry-pi-4-hat~r0](https://www.flux.ai/electricalguy59/raspberry-pi-4-hat~r0).*
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*Generated from [https://www.flux.ai/electricalguy59/raspberry-pi-4-hat~r0](https://www.flux.ai/electricalguy59/raspberry-pi-4-hat~r0)*