# DeskNeuron Macro Pad V0.1 ## Description DeskNeuron V0.1 — USB-C ESP32-S3 6-key macro pad with dual EC11 encoders and SPI TFT header. ## Project Details - **Owner:** ahmedabusalih - **Created:** 7/3/2026 - **Last Updated:** 7/3/2026 - **Visibility:** Public - **Connectivity:** USB-C - **Operating Voltage:** 5V - **Human Interface:** Macro Pad - **Domain:** Human Interface ## Key Components ### D1 — [USBLC6-2SC6](https://www.flux.ai/lcsc/usblc6-2sc6~2e9x.md) - Datasheet URL: https://www.lcsc.com/datasheet/C2687116.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdUVdURFlXXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Symbol Style: parametric-v1 - Power: 150W - Role: ESD Protection - Operating Temperature: -55°C ~ 125°C (TJ) - Breakdown Voltage: 6V - Manufacturer Part Number: USBLC6-2SC6 - Manufacturer Name: UMW(友台半导体) - Peak Pulse Current: 5A - Role Details: Dual low-capacitance USB data-line ESD diode placed near J1. - JLCPCB Part Class: Extended Part - Maximum Clamping Voltage: 17V - LCSC Part Number: C2687116 - Part Type: ESD Protection Devices - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL **Pins:** - GND [pin 2] - I/O1 [pin 1] - I/O1 [pin 6] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### ENC1 — [PEC11R-4215F-S0024](https://www.flux.ai/vasyl/pec11r-4215f-s0024~u3j.md) - Manufacturer Name: Bourns Inc. - Manufacturer Part Number: PEC11R-4215F-S0024 - Datasheet URL: https://www.bourns.com/docs/Product-Datasheets/PEC11R.pdf - Role: Rotary encoder - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Encoder - Role Details: Alternative PEC11R encoder footprint because previous library footprint terminal mapping shorted A/C in review; verify against purchased EC11 before manufacturing. **Pins:** - ~ [pin 1] - ~ [pin 2] - A [pin A] - B [pin B] - COM [pin COM] - SHIELD [pin S1] - SHIELD__1 [pin S2] ### ENC2 — [PEC11R-4215F-S0024](https://www.flux.ai/vasyl/pec11r-4215f-s0024~u3j.md) - Role: Rotary encoder - Manufacturer Name: Bourns Inc. - Manufacturer Part Number: PEC11R-4215F-S0024 - Role Details: Alternative PEC11R encoder footprint because previous library footprint terminal mapping shorted A/C in review; verify against purchased EC11 before manufacturing. - Datasheet URL: https://www.bourns.com/docs/Product-Datasheets/PEC11R.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Encoder **Pins:** - ~ [pin 1] - ~ [pin 2] - A [pin A] - B [pin B] - COM [pin COM] - SHIELD [pin S1] - SHIELD__1 [pin S2] ### F1 — [MF-MSMF075-2](https://www.flux.ai/adrian95/mf-msmf075-2~er0.md) - Manufacturer Name: Bourns Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Role: Protection - Datasheet URL: https://www.bourns.com/docs/product-datasheets/mf-msmf.pdf - Part Type: Fuse - Role Details: 750mA hold resettable fuse for USB VBUS input; verify voltage drop/headroom in prototype. - Manufacturer Part Number: MF-MSMF075-2 **Pins:** - P1 [pin 1] - P2 [pin 2] ### J1 — [USB4520-03-0-A](https://www.flux.ai/adrian95/usb4520-03-0-a~ufd.md) - Datasheet URL: https://gct.co/files/specs/usb4520-spec.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: USB-C receptacle - Part Type: Connector - Role Details: USB 2.0 device/sink input; verify exact footprint against GCT USB4520-03-0-A before manufacturing. - Manufacturer Part Number: USB4520-03-0-A - Symbol Style: parametric-v1 - 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] - GND_A [pin B12] - GND_B [pin B1] - GND_B [pin A12] - MH1 [pin S1] - MH2 [pin S4] - MH3 [pin S3] - MH4 [pin S2] - SBU1 [pin A8] - SBU2 [pin B8] - VBUS_A [pin A4] - VBUS_A [pin B9] - VBUS_B [pin B4] - VBUS_B [pin A9] ### J2 — [Pin Header 01x07 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x07-254mm-vertical~nle.md) - Role: TFT display connector - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Pin order: GND, VCC, SCK, MOSI, RST, DC, CS. 3.3V display power assumed. **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] ### K1 — [Kailh MX hot-swap socket](https://www.flux.ai/whitelynx/kailh-mx-hot-swap-socket~4f.md) - Datasheet URL: http://www.kailh.com/product/Ms/rcb/CPG151101S11-16.pdf - Product Image Url: https://grabcad.com/library/kailh-hot-swap-socket-1 - Part Type: Connector - Product Info Url: http://www.kailh.com/en/Products/Ks/HPC/ - LCSC Part Number: C2803348 - Manufacturer Name: Dongguan City Kaihua Electronics Co., Ltd. - Credits: 3D model by Baco, retrieved from https://grabcad.com/library/kailh-hot-swap-socket-1 - Manufacturer Part Number: CPG151101S11-16 - Role: Key switch socket - Role Details: Bottom-side Kailh MX hot-swap socket for top-inserted MX switch; mark orientation on bottom silkscreen. **Pins:** - 1 [pin 1] - 2 [pin 2] ### K2 — [Kailh MX hot-swap socket](https://www.flux.ai/whitelynx/kailh-mx-hot-swap-socket~4f.md) - Credits: 3D model by Baco, retrieved from https://grabcad.com/library/kailh-hot-swap-socket-1 - Manufacturer Part Number: CPG151101S11-16 - Role Details: Bottom-side Kailh MX hot-swap socket for top-inserted MX switch; mark orientation on bottom silkscreen. - Role: Key switch socket - Manufacturer Name: Dongguan City Kaihua Electronics Co., Ltd. - Datasheet URL: http://www.kailh.com/product/Ms/rcb/CPG151101S11-16.pdf - LCSC Part Number: C2803348 - Product Info Url: http://www.kailh.com/en/Products/Ks/HPC/ - Part Type: Connector - Product Image Url: https://grabcad.com/library/kailh-hot-swap-socket-1 **Pins:** - 1 [pin 1] - 2 [pin 2] ### K3 — [Kailh MX hot-swap socket](https://www.flux.ai/whitelynx/kailh-mx-hot-swap-socket~4f.md) - Credits: 3D model by Baco, retrieved from https://grabcad.com/library/kailh-hot-swap-socket-1 - Manufacturer Part Number: CPG151101S11-16 - Role Details: Bottom-side Kailh MX hot-swap socket for top-inserted MX switch; mark orientation on bottom silkscreen. - Datasheet URL: http://www.kailh.com/product/Ms/rcb/CPG151101S11-16.pdf - Product Info Url: http://www.kailh.com/en/Products/Ks/HPC/ - LCSC Part Number: C2803348 - Part Type: Connector - Product Image Url: https://grabcad.com/library/kailh-hot-swap-socket-1 - Role: Key switch socket - Manufacturer Name: Dongguan City Kaihua Electronics Co., Ltd. **Pins:** - 1 [pin 1] - 2 [pin 2] ### K4 — [Kailh MX hot-swap socket](https://www.flux.ai/whitelynx/kailh-mx-hot-swap-socket~4f.md) - Manufacturer Part Number: CPG151101S11-16 - Credits: 3D model by Baco, retrieved from https://grabcad.com/library/kailh-hot-swap-socket-1 - Role: Key switch socket - Role Details: Bottom-side Kailh MX hot-swap socket for top-inserted MX switch; mark orientation on bottom silkscreen. - Datasheet URL: http://www.kailh.com/product/Ms/rcb/CPG151101S11-16.pdf - Product Image Url: https://grabcad.com/library/kailh-hot-swap-socket-1 - Part Type: Connector - Product Info Url: http://www.kailh.com/en/Products/Ks/HPC/ - LCSC Part Number: C2803348 - Manufacturer Name: Dongguan City Kaihua Electronics Co., Ltd. **Pins:** - 1 [pin 1] - 2 [pin 2] ### K5 — [Kailh MX hot-swap socket](https://www.flux.ai/whitelynx/kailh-mx-hot-swap-socket~4f.md) - Role Details: Bottom-side Kailh MX hot-swap socket for top-inserted MX switch; mark orientation on bottom silkscreen. - Manufacturer Part Number: CPG151101S11-16 - Credits: 3D model by Baco, retrieved from https://grabcad.com/library/kailh-hot-swap-socket-1 - Role: Key switch socket - Manufacturer Name: Dongguan City Kaihua Electronics Co., Ltd. - Datasheet URL: http://www.kailh.com/product/Ms/rcb/CPG151101S11-16.pdf - Product Image Url: https://grabcad.com/library/kailh-hot-swap-socket-1 - Part Type: Connector - Product Info Url: http://www.kailh.com/en/Products/Ks/HPC/ - LCSC Part Number: C2803348 **Pins:** - 1 [pin 1] - 2 [pin 2] ### K6 — [Kailh MX hot-swap socket](https://www.flux.ai/whitelynx/kailh-mx-hot-swap-socket~4f.md) - Manufacturer Part Number: CPG151101S11-16 - Credits: 3D model by Baco, retrieved from https://grabcad.com/library/kailh-hot-swap-socket-1 - Role Details: Bottom-side Kailh MX hot-swap socket for top-inserted MX switch; mark orientation on bottom silkscreen. - Datasheet URL: http://www.kailh.com/product/Ms/rcb/CPG151101S11-16.pdf - Product Image Url: https://grabcad.com/library/kailh-hot-swap-socket-1 - Part Type: Connector - LCSC Part Number: C2803348 - Product Info Url: http://www.kailh.com/en/Products/Ks/HPC/ - Manufacturer Name: Dongguan City Kaihua Electronics Co., Ltd. - Role: Key switch socket **Pins:** - 1 [pin 1] - 2 [pin 2] ### LED1 — [SML-D13FWT86C](https://www.flux.ai/jecstronic/sml-d13fwt86c~i2q.md) - Role Details: Optional green 3V3 power LED - Manufacturer Name: Rohm Semiconductor - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://fscdn.rohm.com/en/products/databook/datasheet/opto/led/chip_mono/sml-d13fwt86(c)-e.pdf - Role: Indicator - Manufacturer Part Number: SML-D13FWT86C - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### SW1 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - Role Details: RESET/EN momentary button to GND - Part Type: Tactile Switches - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - LCSC Part Number: C720477 - JLCPCB Part Class: Extended Part - Role: Switching - Manufacturer Name: XUNPU(讯普) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - Manufacturer Part Number: TS-1088-AR02016 - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW2 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - LCSC Part Number: C720477 - JLCPCB Part Class: Extended Part - Role: Switching - Part Type: Tactile Switches - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Role Details: BOOT GPIO0 momentary button to GND - Manufacturer Part Number: TS-1088-AR02016 - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Manufacturer Name: XUNPU(讯普) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [ESP32-S3-WROOM-1-N4](https://www.flux.ai/lcsc/esp32-s3-wroom-1-n4~iqe.md) - Manufacturer Part Number: ESP32-S3-WROOM-1-N4 - LCSC Part Number: C2913197 - Part Type: WiFi Modules - Manufacturer Name: ESPRESSIF(乐鑫) - Role: Main MCU / WiFi BLE module - Symbol Style: parametric-v1 - Package or Case Code: WIFIM-SMD_ESP32-S3-WROOM-1-N8 - Role Details: ESP32-S3-WROOM-1-N4 bare module; use WROOM-1 PCB antenna footprint; reserve antenna keepout. - JLCPCB Part Class: Extended Part - Datasheet URL: https://documentation.espressif.com/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 41_14] - GND [pin 41_3] - GND [pin 41_20] - GND [pin 41_18] - GND [pin 41_9] - GND [pin 41_4] - GND [pin 41_10] - GND [pin 41_19] - GND [pin 41_12] - GND [pin 41_5] - GND [pin 41_15] - GND [pin 41_1] - GND [pin 41_17] - GND [pin 1] - GND [pin 41_7] - GND [pin 41_8] - GND [pin 41_13] - GND [pin 40] - GND [pin 41_2] - GND [pin 41_16] - GND [pin 41_6] - GND [pin 41_11] - GND [pin 41_21] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U2 — [AP63203WU-7](https://www.flux.ai/adrian95/ap63203wu-7~o8a.md) - Role: Power Conversion - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP63200-AP63201-AP63203-AP63205.pdf - Symbol Style: parametric-v1 - Role Details: 3.3V 2A synchronous buck regulator replacing PAM2305 footprint issue; VIN from USB 5V, fixed 3.3V output. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Diodes Incorporated - Part Type: Integrated Circuit - Manufacturer Part Number: AP63203WU-7 **Pins:** - BST [pin 6] - EN [pin 2] - FB [pin 1] - GND [pin 4] - SW [pin 5] - VIN [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ahmedabusalih/deskneuron-macro-pad-v0p1~lu](https://www.flux.ai/ahmedabusalih/deskneuron-macro-pad-v0p1~lu).* --- *Generated from [https://www.flux.ai/ahmedabusalih/deskneuron-macro-pad-v0p1~lu](https://www.flux.ai/ahmedabusalih/deskneuron-macro-pad-v0p1~lu)*