# Octagonal 8-Channel Phototransistor Sensor Board ## Description Custom-outline PCB with eight edge-distributed phototransistor channels, shared VIN and GND, and eight separate analog outputs. ## Project Details - **Owner:** pampam21 - **Created:** 4/26/2026 - **Last Updated:** 4/26/2026 - **Visibility:** Public ## Key Components ### J1 — [Pin Header 01x10 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x10-254mm-vertical~1nl.md) - Package: 1x10 2.54mm THT - Role: Output Header - Role Details: VIN, GND, and eight analog output interface - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - 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] ### Q1 — [TEPT4400](https://www.flux.ai/vasy_skral/tept4400~s9a.md) - Datasheet URL: https://www.vishay.com/docs/81341/tept4400.pdf - Role Details: Corner NW phototransistor sensor channel - Manufacturer Name: Vishay Semiconductor Opto Division - Role: Light Sensor - Part Type: Phototransistor - Package: Radial THT - Manufacturer Part Number: TEPT4400 **Pins:** - C [pin 1] - E [pin 2] ### Q2 — [TEPT4400](https://www.flux.ai/vasy_skral/tept4400~s9a.md) - Role: Light Sensor - Part Type: Phototransistor - Manufacturer Part Number: TEPT4400 - Role Details: Side North phototransistor sensor channel - Manufacturer Name: Vishay Semiconductor Opto Division - Package: Radial THT - Datasheet URL: https://www.vishay.com/docs/81341/tept4400.pdf **Pins:** - C [pin 1] - E [pin 2] ### Q3 — [TEPT4400](https://www.flux.ai/vasy_skral/tept4400~s9a.md) - Datasheet URL: https://www.vishay.com/docs/81341/tept4400.pdf - Package: Radial THT - Role: Light Sensor - Role Details: Corner NE phototransistor sensor channel - Manufacturer Name: Vishay Semiconductor Opto Division - Manufacturer Part Number: TEPT4400 - Part Type: Phototransistor **Pins:** - C [pin 1] - E [pin 2] ### Q4 — [TEPT4400](https://www.flux.ai/vasy_skral/tept4400~s9a.md) - Role: Light Sensor - Datasheet URL: https://www.vishay.com/docs/81341/tept4400.pdf - Manufacturer Name: Vishay Semiconductor Opto Division - Part Type: Phototransistor - Manufacturer Part Number: TEPT4400 - Package: Radial THT - Role Details: Side East phototransistor sensor channel **Pins:** - C [pin 1] - E [pin 2] ### Q5 — [TEPT4400](https://www.flux.ai/vasy_skral/tept4400~s9a.md) - Manufacturer Name: Vishay Semiconductor Opto Division - Role: Light Sensor - Datasheet URL: https://www.vishay.com/docs/81341/tept4400.pdf - Package: Radial THT - Manufacturer Part Number: TEPT4400 - Role Details: Corner SE phototransistor sensor channel - Part Type: Phototransistor **Pins:** - C [pin 1] - E [pin 2] ### Q6 — [TEPT4400](https://www.flux.ai/vasy_skral/tept4400~s9a.md) - Role: Light Sensor - Role Details: Side South phototransistor sensor channel - Package: Radial THT - Manufacturer Part Number: TEPT4400 - Part Type: Phototransistor - Manufacturer Name: Vishay Semiconductor Opto Division - Datasheet URL: https://www.vishay.com/docs/81341/tept4400.pdf **Pins:** - C [pin 1] - E [pin 2] ### Q7 — [TEPT4400](https://www.flux.ai/vasy_skral/tept4400~s9a.md) - Datasheet URL: https://www.vishay.com/docs/81341/tept4400.pdf - Role: Light Sensor - Manufacturer Name: Vishay Semiconductor Opto Division - Part Type: Phototransistor - Manufacturer Part Number: TEPT4400 - Package: Radial THT - Role Details: Corner SW phototransistor sensor channel **Pins:** - C [pin 1] - E [pin 2] ### Q8 — [TEPT4400](https://www.flux.ai/vasy_skral/tept4400~s9a.md) - Manufacturer Name: Vishay Semiconductor Opto Division - Datasheet URL: https://www.vishay.com/docs/81341/tept4400.pdf - Role Details: Side West phototransistor sensor channel - Role: Light Sensor - Package: Radial THT - Manufacturer Part Number: TEPT4400 - Part Type: Phototransistor **Pins:** - C [pin 1] - E [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/pampam21/octagonal-8-channel-phototransistor-sensor-board~ga](https://www.flux.ai/pampam21/octagonal-8-channel-phototransistor-sensor-board~ga).* --- *Generated from [https://www.flux.ai/pampam21/octagonal-8-channel-phototransistor-sensor-board~ga](https://www.flux.ai/pampam21/octagonal-8-channel-phototransistor-sensor-board~ga)*