# BLE RGB LED Display ## Description Compact rechargeable BLE controller board with a 4x8 RGB LED display, USB-C LiPo charging, battery protection assumptions, and firmware-controlled LED current limiting. ## Project Details - **Owner:** sullys - **Created:** 7/10/2026 - **Last Updated:** 7/10/2026 - **Visibility:** Public - **Domain:** Wearable - **Connectivity:** BLE - **Human Interface:** RGB LED Display - **Power Requirements:** Battery ## Key Components ### D1 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Role Details: Pixel 1 of 32; firmware current-limited - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D10 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED - Role: Addressable RGB LED - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Pixel 10 of 32; firmware current-limited - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D11 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Role Details: Pixel 11 of 32; firmware current-limited **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D12 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED - Role Details: Pixel 12 of 32; firmware current-limited - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D13 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Role Details: Pixel 13 of 32; firmware current-limited - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Part Type: LED - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D14 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Role: Addressable RGB LED - Part Type: LED - Role Details: Pixel 14 of 32; firmware current-limited - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D15 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Manufacturer Name: OPSCO Optoelectronics - Role Details: Pixel 15 of 32; firmware current-limited - Role: Addressable RGB LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D16 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Manufacturer Part Number: SK6812MINI-E - Role: Addressable RGB LED - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Pixel 16 of 32; firmware current-limited - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D17 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED - Role: Addressable RGB LED - Manufacturer Part Number: SK6812MINI-E - Role Details: Pixel 17 of 32; firmware current-limited - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D18 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Role Details: Pixel 18 of 32; firmware current-limited - Symbol Style: parametric-v1 - Part Type: LED - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D19 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Manufacturer Part Number: SK6812MINI-E - Role Details: Pixel 19 of 32; firmware current-limited - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Role: Addressable RGB LED - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D2 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Part Type: LED - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics - Role Details: Pixel 2 of 32; firmware current-limited **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D20 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics - Role Details: Pixel 20 of 32; firmware current-limited **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D21 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED - Role: Addressable RGB LED - Manufacturer Part Number: SK6812MINI-E - Role Details: Pixel 21 of 32; firmware current-limited - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D22 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Role Details: Pixel 22 of 32; firmware current-limited - Part Type: LED - Role: Addressable RGB LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D23 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Role Details: Pixel 23 of 32; firmware current-limited - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D24 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Role Details: Pixel 24 of 32; firmware current-limited - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D25 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Role Details: Pixel 25 of 32; firmware current-limited - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D26 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED - Manufacturer Part Number: SK6812MINI-E - Role: Addressable RGB LED - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Pixel 26 of 32; firmware current-limited - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D27 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED - Role: Addressable RGB LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Role Details: Pixel 27 of 32; firmware current-limited - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D28 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Part Type: LED - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Manufacturer Part Number: SK6812MINI-E - Role Details: Pixel 28 of 32; firmware current-limited - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D29 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Role: Addressable RGB LED - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Pixel 29 of 32; firmware current-limited - Manufacturer Part Number: SK6812MINI-E **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D3 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Role: Addressable RGB LED - Role Details: Pixel 3 of 32; firmware current-limited - Manufacturer Name: OPSCO Optoelectronics - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D30 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Part Type: LED - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Role Details: Pixel 30 of 32; firmware current-limited - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D31 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Role: Addressable RGB LED - Role Details: Pixel 31 of 32; firmware current-limited - Part Type: LED - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D32 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Part Type: LED - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Manufacturer Name: OPSCO Optoelectronics - Role Details: Pixel 32 of 32; firmware current-limited - Role: Addressable RGB LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D33 — [PESD5V0S1BA](https://www.flux.ai/lcsc/pesd5v0s1ba~qi2k.md) - Forward Voltage: 0.8V - LCSC Part Number: C2827694 - Max Reverse Voltage: 5V - Role: VBUS TVS protection - JLCPCB Part Class: Extended Part - Diode Type: TVS Diode - Part Type: ESD Protection Devices - Manufacturer Name: TECH PUBLIC(台舟) - Datasheet URL: https://www.lcsc.com/datasheet/C2827694.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaXlFRR1ZWXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role Details: Single-line 5V bidirectional TVS from VBUS to GND - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: SOD-323_L1.7-W1.3-LS2.5-BI - Manufacturer Part Number: PESD5V0S1BA **Pins:** - 1 [pin 1] - 2 [pin 2] ### D4 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Role Details: Pixel 4 of 32; firmware current-limited - Role: Addressable RGB LED - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D5 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Role Details: Pixel 5 of 32; firmware current-limited - Part Type: LED - Role: Addressable RGB LED - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D6 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Role Details: Pixel 6 of 32; firmware current-limited - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D7 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Part Type: LED - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Role: Addressable RGB LED - Role Details: Pixel 7 of 32; firmware current-limited - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D8 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Symbol Style: parametric-v1 - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Role: Addressable RGB LED - Part Type: LED - Role Details: Pixel 8 of 32; firmware current-limited - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SK6812MINI-E **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### D9 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Symbol Style: parametric-v1 - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics - Role Details: Pixel 9 of 32; firmware current-limited **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### J1 — [USB4215-03-A](https://www.flux.ai/adrian95/usb4215-03-a~kg3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Sink-only charging input; CC1/CC2 each get independent 5.1k Rd - Manufacturer Part Number: USB4215-03-A - Datasheet URL: https://gct.co/files/specs/usb4215-spec.pdf - Package or Case Code: GCT_USB4215-03-A_REVA - Symbol Style: parametric-v1 - Part Type: USB C - Role: USB-C power input - Manufacturer Name: GCT **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] ### J2 — [78171-0003](https://www.flux.ai/intellugogroup/78171-0003~8t.md) - Role Details: Use a protected 1-cell LiPo with NTC; connector rated about 1.5A - Role: Battery connector - Manufacturer Part Number: 78171-0003 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J3 — [FTSH-103-01-L-DV](https://www.flux.ai/cherepanyadima/ftsh-103-01-l-dv~u9.md) - Role Details: SWDIO, SWDCLK, RESET_N, 3V3, GND; one pin spare - Part Type: Connector - Manufacturer Name: Samtec - Role: SWD debug connector - Datasheet URL: https://suddendocs.samtec.com/catalog_english/ftsh_smt.pdf - Manufacturer Part Number: FTSH-103-01-L-DV **Pins:** - 01 [pin 01] - 02 [pin 02] - 03 [pin 03] - 04 [pin 04] - 05 [pin 05] - 06 [pin 06] ### SW1 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - Manufacturer Name: XUNPU(讯普) - Part Type: Tactile Switches - Role Details: Momentary switch pulls RESET_N low - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - JLCPCB Part Class: Extended Part - LCSC Part Number: C720477 - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Role: Reset button - Manufacturer Part Number: TS-1088-AR02016 **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [ANNA-B112-01B](https://www.flux.ai/adrian95/anna-b112-01b.md) - Operating Temperature: -40°C to +85°C - Datasheet URL: https://content.u-blox.com/sites/default/files/ANNA-B112_DataSheet_UBX-18011707.pdf - Manufacturer Name: u-blox AG - Operating Voltage: 3.6V - Symbol Style: parametric-v1 - License: https://creativecommons.org/licenses/by/4.0/ - Connectivity: Bluetooth LE 5.0 - Manufacturer Part Number: ANNA-B112-01B - Part Type: Integrated Circuits - Implementation Details: 6.5 x 6.5 x 1.15 mm 52-pad Bluetooth LE module based on Nordic nRF52832; optional internal or external antenna; outer pad pitch 0.65 mm. - Mount: Surface Mount - Role: BLE MCU module - Package or Case Code: SMD-52 - Role Details: nRF52832 BLE receiver; antenna at board edge with keepout; VCC 1.7-3.6V **Pins:** - ANT [pin 6] - ANT_GND1 [pin 2] - ANT_GND2 [pin 3] - ANT_INT [pin 5] - ANT_PCB [pin 1] - BLUE/GPIO_31 [pin 31] - EXP [pin 52] - EXP [pin 50] - EXP [pin 51] - EXP [pin 49] - GND [pin 47] - GND [pin 10] - GND [pin 44] - GND [pin 33] - GND [pin 4] - GND [pin 7] - GND [pin 46] - GND [pin 41] - GND [pin 8] - GND [pin 32] - GND [pin 48] - GND [pin 42] - GND [pin 11] - GND [pin 43] - GPIO_13 [pin 13] - GPIO_14 [pin 14] - GPIO_15 [pin 15] - GPIO_23 [pin 23] - GPIO_24 [pin 24] - GPIO_27 [pin 27] - GPIO_28 [pin 28] - GPIO_36 [pin 36] - GPIO_37 [pin 37] - GPIO_45 [pin 45] - GREEN/SWITCH_1/GPIO_30 [pin 30] - NFC1/GPIO_21 [pin 21] - NFC2/GPIO_22 [pin 22] - RED/GPIO_29 [pin 29] - RESET_N [pin 12] - SWDCLK [pin 39] - SWDIO [pin 40] - SWITCH_2/GPIO_38 [pin 38] - SWO/GPIO_16 [pin 16] - UART_CTS/GPIO_35 [pin 35] - UART_DSR/GPIO_26 [pin 26] - UART_DTR/GPIO_25 [pin 25] - UART_RTS/GPIO_34 [pin 34] - UART_RXD/GPIO_20 [pin 20] - UART_TXD/GPIO_19 [pin 19] - VCC [pin 9] - XL1/GPIO_17 [pin 17] - XL2/GPIO_18 [pin 18] ### U2 — [BQ24074RGTT](https://www.flux.ai/lcsc/bq24074rgtt~fpyl.md) - Role: LiPo charger / power path - Role Details: 100mA charge current target for thin LiPo; 200mA USB input limit; TS tied to battery NTC - LCSC Part Number: C2861252 - Package or Case Code: VQFN-16_L3.0-W3.0-P0.50-TL-EP1.7 - Operating Temperature: -40 to 85°C - Symbol Style: parametric-v1 - JLCPCB Part Class: Extended Part - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Battery Management ICs - Operating Voltage: IN operating range 4.35–10.2 V for BQ24074; IN withstand/recommended range up to 26 V, abs max 28 V - Implementation Details: Standalone single-cell Li-Ion/Li-Polymer linear charger and power-path management IC; 4.2 V battery regulation, 4.4 V OUT regulation, 10.5 V OVP, 1.5 A programmable fast charge/input current limit. - Package: VQFN-16 RGT (3 mm × 3 mm) with exposed thermal pad - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq24074.pdf - Manufacturer Name: Texas Instruments - Manufacturer Part Number: BQ24074RGTT **Pins:** - ~{CE} [pin 4] - ~{CHG} [pin 9] - ~{PGOOD} [pin 7] - BAT [pin 2] - BAT [pin 3] - EN1 [pin 6] - EN2 [pin 5] - EP [pin 17] - ILIM [pin 12] - IN [pin 13] - ISET [pin 16] - ITERM [pin 15] - OUT [pin 11] - OUT [pin 10] - TMR [pin 14] - TS [pin 1] - VSS [pin 8] ### U3 — [TPS78233DDC](https://www.flux.ai/kicad-part-library/tps78233ddc~48w.md) - Role: 3.3V LDO - Datasheet URL: http://www.ti.com/lit/gpn/tps782 - Package or Case Code: SOT-23-5 - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: TPS78233DDC - Role Details: 150mA, 500nA-Iq regulator for BLE and low-power logic rail **Pins:** - EN [pin 3] - GND [pin 4] - GND [pin 2] - IN [pin 1] - OUT [pin 5] ### U4 — [SN74LVC1T45DBVT](https://www.flux.ai/adrian95/sn74lvc1t45dbvt~jt9.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74lvc1t45.pdf - Manufacturer Name: Texas Instruments - Manufacturer Part Number: SN74LVC1T45DBVT - Part Type: Integrated Circuit - Role Details: A-to-B translation; VCCA=3V3, VCCB=LED_VDD, DIR=3V3 - Role: LED data level shifter - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 3] - B [pin 4] - DIR [pin 5] - GND [pin 2] - VCCA [pin 1] - VCCB [pin 6] ### U5 — [MP5075](https://www.flux.ai/monolithicpower/mp5075~juh.md) - Manufacturer Name: Monolithic Power Systems - Product Info Url: https://www.monolithicpower.com/en/catalog/product/view/id/482?utm_source=ultralibrarian&utm_medium=component_search&utm_campaign=listing - Product Image Url: https://www.monolithicpower.com/pub/media/catalog/product/M/P/MP5075_482_1.jpg - Package or Case Code: SOT563_MP5075_MNP - Datasheet URL: https://www.monolithicpower.com/en/documentview/productdocument/index/version/2/document_type/Datasheet/lang/en/sku/MP5075 - Role Details: 2.4A switch with soft-start; firmware should limit LED current for battery runtime - Role: LED rail load switch - Manufacturer Part Number: MP5075 **Pins:** - EN [pin 5] - GND [pin 4] - NC [pin 1] - NC [pin 6] - VIN [pin 2] - VOUT [pin 3] ### U6 — [TPD4E02B04DQA](https://www.flux.ai/kicad-part-library/tpd4e02b04dqa~id.md) - Role Details: Protect CC and optional USB2 signal pins near connector - Role: USB-C ESD protection - Package or Case Code: USON-10_2.5x1.0mm_P0.5mm - Manufacturer Part Number: TPD4E02B04DQA - Datasheet URL: http://www.ti.com/lit/ds/symlink/tpd4e02b04.pdf - Manufacturer Name: Texas Instruments Inc. **Pins:** - G [pin 3] - G [pin 8] - IO1 [pin 1] - IO2 [pin 2] - IO3 [pin 4] - IO4 [pin 5] - NC [pin 10] - NC [pin 7] - NC [pin 9] - NC [pin 6] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sullys/ble-rgb-led-display~7a](https://www.flux.ai/sullys/ble-rgb-led-display~7a).* --- *Generated from [https://www.flux.ai/sullys/ble-rgb-led-display~7a](https://www.flux.ai/sullys/ble-rgb-led-display~7a)*