# LED segment controller ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** e32 - **Created:** 2/20/2024 - **Last Updated:** 4/19/2024 - **Visibility:** Public ## Key Components ### U1 — [ESP32-WROOM-32E](https://www.flux.ai/vasyl/esp32-wroom-32e~epi.md) - Manufacturer Part Number: ESP32-WROOM-32 - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf - Part Type: Integrated Circuit **Pins:** - EN [pin 3] - GND [pin 15] - GND [pin 39] - GND [pin 38] - GND [pin 1] - 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 32] - RXD0/IO3 [pin 34] - SCK/CLK [pin 20] - SCS/CMD [pin 19] - SDI/SD1 [pin 22] - SDO/SD0 [pin 21] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - SHD/SD2 [pin 17] - SWP/SD3 [pin 18] - TXD0/IO1 [pin 35] - VDD [pin 2] ### U10 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a~6vl.md) - Manufacturer Name: STMicroelectronics - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ULN2803A **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U2 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a~6vl.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ULN2803A - Manufacturer Name: STMicroelectronics - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U3 — [MAX7219CNG+](https://www.flux.ai/adrian95/max7219cngplus~zxw.md) - Part Type: Integrated Circuit - Manufacturer Name: Maxim Integrated - Datasheet URL: https://datasheet.octopart.com/MAX7219CNG%2B-Maxim-Integrated-datasheet-32866360.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MAX7219CNG+ **Pins:** - CLK [pin 13] - DIG_0 [pin 2] - DIG_1 [pin 11] - DIG_2 [pin 6] - DIG_3 [pin 7] - DIG_4 [pin 3] - DIG_5 [pin 10] - DIG_6 [pin 5] - DIG_7 [pin 8] - DIN [pin 1] - DOUT [pin 24] - GND [pin 9] - GND [pin 4] - ISET [pin 18] - LOAD [pin 12] - SEG_A [pin 14] - SEG_B [pin 16] - SEG_C [pin 20] - SEG_D [pin 23] - SEG_DP [pin 22] - SEG_E [pin 21] - SEG_F [pin 15] - SEG_G [pin 17] - V+ [pin 19] ### U4 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a~6vl.md) - Manufacturer Part Number: ULN2803A - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - Manufacturer Name: STMicroelectronics **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U5 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a~6vl.md) - Manufacturer Name: STMicroelectronics - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ULN2803A **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U6 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a~6vl.md) - Manufacturer Part Number: ULN2803A - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - Manufacturer Name: STMicroelectronics **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U7 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a~6vl.md) - Manufacturer Part Number: ULN2803A - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - Manufacturer Name: STMicroelectronics **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U8 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a~6vl.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ULN2803A - Manufacturer Name: STMicroelectronics - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - Part Type: Transistor **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### U9 — [ULN2803A](https://www.flux.ai/adrian95/uln2803a~6vl.md) - Manufacturer Name: STMicroelectronics - Part Type: Transistor - Datasheet URL: https://www.mouser.com/datasheet/2/389/uln2801a-1852595.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ULN2803A **Pins:** - COMMON_FREE__WHEELING_DIODES [pin 10] - GND [pin 9] - IN_1 [pin 1] - IN_2 [pin 2] - IN_3 [pin 3] - IN_4 [pin 4] - IN_5 [pin 5] - IN_6 [pin 6] - IN_7 [pin 7] - IN_8 [pin 8] - OUT_1 [pin 18] - OUT_2 [pin 17] - OUT_3 [pin 16] - OUT_4 [pin 15] - OUT_5 [pin 14] - OUT_6 [pin 13] - OUT_7 [pin 12] - OUT_8 [pin 11] ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: 5V **Pins:** - ANODE - CATHODE *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/e32/led-segment-controller~2z](https://www.flux.ai/e32/led-segment-controller~2z).* --- *Generated from [https://www.flux.ai/e32/led-segment-controller~2z](https://www.flux.ai/e32/led-segment-controller~2z)*