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4 layers23.8 × 36.3 mmHaptic knob, the printed circuit board in 3D
Size
23.8 × 36.3 mm
Copper layers
4
Thickness
1.61 mm
Parts
70
Nets
85
Pads
319
Tracks, vias
552, 136
Pours
331
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
1 Apr 2023
Updated
9 May 2023

Overview

Haptic knob is an open-source printed circuit board by wirano, from the wirano/haptic-knob repository on GitHub. It is a 4-layer board of 23.8 × 36.3 mm with 70 parts on 85 nets, routed with 552 tracks and 136 vias.

It is built around the ESP32-S3-WROOM-1U-N4, CH224K and MT2492, with the PDRV8311HRRWR, SHT30-DIS and LSM6DSO among its other parts. Its parts include 33 capacitors, 12 resistors, 8 diodes, 7 ICs and 3 connectors. It belongs with the ESP32 boards of this library.

Main components

7

Parts

70
QtyValueFootprintReferences
170.1uFCapacitor_SMD:C_0402_1005MetricC4, C5, C11, C15, C20, C23, C24, C31, C32, C33, C34, C35, C36, C37, C38, C41 +1
8SK6812SIDE-Alibrary:SK6812D-EC3210RD1, D2, D3, D4, D5, D6, D7, D8
510KResistor_SMD:R_0402_1005MetricR3, R6, R11, R13, R14
31uFCapacitor_SMD:C_0402_1005MetricC1, C19, C25
322uFCapacitor_SMD:C_0805_2012MetricC28, C29, C30
2(7pF)Capacitor_SMD:C_0402_1005MetricC2, C3
20.1uF 25VCapacitor_SMD:C_0402_1005MetricC16, C22
210kResistor_SMD:R_0402_1005MetricR1, R4
210uF 25VCapacitor_SMD:C_0603_1608MetricC18, C21
10.1uF 20VCapacitor_SMD:C_0402_1005MetricC17
10RResistor_SMD:R_0402_1005MetricR5
1100KResistor_SMD:R_0402_1005MetricR9
110uHInductor_SMD:L_Sunlord_SWPA3015SL5
11KResistor_SMD:R_0402_1005MetricR7
122KResistor_SMD:R_0402_1005MetricR10
122nFCapacitor_SMD:C_0402_1005MetricC27
122pFCapacitor_SMD:C_0402_1005MetricC26
122uFCapacitor_SMD:C_0402_1005MetricC12
1BLDCConnector_JST:JST_SH_BM03B-SRSS-TB_1x03-1MP_P1.00mm_VerticalM1
1CH224Klibrary:ESSOP-10_3.9x4.9mm_P1.00mm_EP2.3x3.2mmU4
1Conn_01x14_SocketConnector_JST:JST_SHL_SM14B-SHLS-TF_1x14-1MP_P1.00mm_HorizontalJ2
1Conn_ARM_SWD_TagConnect_TC2030-NLConnector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_VerticalJ3
1Crystal_SmallCrystal:Crystal_SMD_2012-2Pin_2.0x1.2mmY1
1ESP32-S3-WROOM-1UEspressif:ESP32-S3-WROOM-1UU1
1LOGOw_logo:Logo_silk_CC-BY-SA_10x4.5mmG***
1LSM6DSOPackage_LGA:LGA-14_3x2.5mm_P0.5mm_LayoutBorder3x4yU5
1MT2492Package_TO_SOT_SMD:SOT-23-6U6
1MT6701Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mmU3
1PDRV8311HRRWRlibrary:PDRV8311HRRWRU2
1SHT30-DISSensor_Humidity:Sensirion_DFN-8-1EP_2.5x2.5mm_P0.5mm_EP1.1x1.7mmU7
1TBDResistor_SMD:R_0402_1005MetricR2
1USB_C_Receptacle_USB2.0Connector_USB:USB_C_Receptacle_XKB_U262-16XN-4BVC11J1

The 67 most common of 70 parts.

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Questions

How big is the Haptic knob PCB?

It measures 23.8 × 36.3 mm and has 4 copper layers, 1.61 mm thick.

What parts does the Haptic knob use?

70 parts, built around the ESP32-S3-WROOM-1U-N4, CH224K, MT2492 and PDRV8311HRRWR. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Haptic knob KiCad files?

From the wirano/haptic-knob repository on GitHub, at the commit this page was made from: the board is Hardware/knob_motherboard/haptic-knob.kicad_pcb and its schematic Hardware/knob_LCD/knob_LCD.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Haptic knob design in my own project?

Its repository states no licence, so its author keeps all rights: ask wirano before reusing the design.