# Smart Knob ## Description A basic rotary control knob based on Scott Bezek's project. ## Project Details - **Owner:** corynrobinson - **Created:** 4/14/2022 - **Last Updated:** 11/22/2022 - **Visibility:** Public - **Product Info Url:** https://github.com/scottbez1/smartknob ## Key Components ### ? — [+5V Power/Voltage](https://www.flux.ai/adrian95/plus5v-powervoltage.md) **Pins:** - +5V ### ? — [+5V Power/Voltage](https://www.flux.ai/adrian95/plus5v-powervoltage.md) **Pins:** - +5V ### ? — [+3V3 Power/Voltage](https://www.flux.ai/adrian95/plus3v3-powervoltage.md) **Pins:** - +3V3 ### ? — [+5V Power/Voltage](https://www.flux.ai/adrian95/plus5v-powervoltage.md) **Pins:** - +5V ### J1 — [USB-C Receptacle USB2.0](https://www.flux.ai/jharwinbarrozo/usb-c-receptacle-usb20.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Amphenol%20PDFs/12401548E4%232A%20Drawing.pdf - Manufacturer Name: Amphenol - Manufacturer Part Number: 12401548E4#2A **Pins:** - CC1 - CC2 - D- - D- - D+ - D+ - GND - GND - GND - SBU1 - SBU2 - SHIELD - VBUS - VBUS ### U2 — [ATMEGA 32U4](https://www.flux.ai/corynrobinson/atmega-32u4.md) - Voltage: 5V - Manufacturer Name: Microchip - Frequency: 16MHz - Package or Case Code: 44-TQFP - Purchase Url: https://octopart.com/atmega32u4-au-microchip-77760310?r=sp#Specs - Datasheet URL: https://datasheet.octopart.com/ATMEGA32U4-AU-Microchip-datasheet-65729178.pdf - Part Type: Microcontroller - Manufacturer Part Number: ATMEGA32U4-AU **Pins:** - AREF - AVCC - AVCC - D- - D+ - GND - GND - GND - GND - PB0 - PB1 - PB2 - PB3 - PB4 - PB5 - PB6 - PB7 - PC6 - PC7 - PD0 - PD1 - PD2 - PD3 - PD4 - PD5 - PD6 - PD7 - PE2 - PE6 - PF0 - PF1 - PF4 - PF5 - PF6 - PF7 - RESET - UCap - UGnd - UVcc - VBus - VCC - VCC - XTAL1 - XTAL2 ### U3 — [USB Protection](https://www.flux.ai/corynrobinson/usb-protection.md) - Package or Case Code: SOT-363 - Datasheet URL: https://www.onsemi.com/pdf/datasheet/nuf2221w1t2-d.pdf - Product Info Url: https://www.onsemi.com/products/power-management/protection/emi-filters/nuf2221#overview - Voltage: 3.3V - Manufacturer Name: Texas Instruments - Manufacturer Part Number: NUF2221W1T2G - Purchase Url: https://octopart.com/nuf2221w1t2g-onsemi-505596#CadModels - Part Type: Integrated Circuit **Pins:** - D1(C) - D1(I) - D2(C) - D2(I) - GND - VBUS ### U4 — [12-bit Rotary Position Sensor](https://www.flux.ai/corynrobinson/12-bit-rotary-position-sensor.md) - Manufacturer Name: AMS - Package or Case Code: 16-SSOP - Purchase Url: https://octopart.com/as5145b-hssm-ams-39259457?r=sp - Product Info Url: https://ams.com/as5145b - Part Type: Sensor - Manufacturer Part Number: AS5145B - Datasheet URL: https://ams.com/documents/20143/36005/AS5145_DS000398_2-00.pdf **Pins:** - CLK - CSn - DO - DTEST_2B - DTEST1_A - MagDECn - MagINCn - Mode_Index - NC - NC - NC - PDIO - PWM - VDD3V3 - VDD5V - VSS *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/corynrobinson/smart-knob](https://www.flux.ai/corynrobinson/smart-knob).* --- *Generated from [https://www.flux.ai/corynrobinson/smart-knob](https://www.flux.ai/corynrobinson/smart-knob)*