# [QA]Doughnut ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** philipkyeswa - **Created:** 7/12/2023 - **Last Updated:** 10/31/2023 - **Visibility:** Public - **Copies:** 1 ## Key Components ### J1 — [SM04B-SRSS-TB(LF)(SN)](https://www.flux.ai/jecstronic/sm04b-srss-tblfsn.md) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eSH.pdf - Part Type: Connector - Manufacturer Name: JST Sales America Inc. - Manufacturer Part Number: SM04B-SRSS-TB(LF)(SN) **Pins:** - PIN1 - PIN2 - PIN3 - PIN4 ### S1 — [Small SPST-NO Tactile Switch](https://www.flux.ai/corynrobinson/small-spst-no-tactile-switch.md) - Manufacturer Part Number: KMR421NGLFS - Manufacturer Name: C&K Components - Part Type: Switch - Datasheet URL: https://octopart.com/datasheet/kmr421nglfs-c%26k+components-7226706 **Pins:** - P1 [pin 1] - P2 [pin 2] - P3 [pin 3] - P4 [pin 4] ### U1 — [ATMEGA328P-AU](https://www.flux.ai/adrian95/atmega328p-au.md) - Manufacturer Part Number: ATMEGA328P-AU - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061B.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller - Manufacturer Name: Microchip **Pins:** - ~RESET~/PC6 [pin 29] - ADC6 [pin 19] - ADC7 [pin 22] - AREF [pin 20] - AVCC [pin 18] - GND [pin 3] - GND [pin 21] - GND [pin 5] - PB0 [pin 12] - PB1 [pin 13] - PB2 [pin 14] - PB3 [pin 15] - PB4 [pin 16] - PB5 [pin 17] - PC0 [pin 23] - PC1 [pin 24] - PC2 [pin 25] - PC3 [pin 26] - PC4 [pin 27] - PC5 [pin 28] - PD0 [pin 30] - PD1 [pin 31] - PD2 [pin 32] - PD3 [pin 1] - PD4 [pin 2] - PD5 [pin 9] - PD6 [pin 10] - PD7 [pin 11] - VCC [pin 4] - VCC [pin 6] - XTAL1/PB6 [pin 7] - XTAL2/PB7 [pin 8] ### U2 — [TPS7A0533PDBVT](https://www.flux.ai/vasyl/tps7a0533pdbvt.md) - Part Type: LDO - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS7A0533PDBVT - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps7a05.pdf **Pins:** - EN [pin 3] - GND [pin 2] - IN [pin 1] - NC [pin 4] - OUT [pin 5] ### X2 — [32kHz Crystal Oscillator](https://www.flux.ai/corynrobinson/32khz-crystal-oscillator.md) - Frequency: 32.768kHz - Part Type: Oscillator - Manufacturer Part Number: ABS07-32.768KHZ-T - Package or Case Code: CSMD - Datasheet URL: https://octopart.com/datasheet/abs07-32.768khz-t-abracon-657766 - Manufacturer Name: Abracon **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/philipkyeswa/qadoughnut](https://www.flux.ai/philipkyeswa/qadoughnut).* --- *Generated from [https://www.flux.ai/philipkyeswa/qadoughnut](https://www.flux.ai/philipkyeswa/qadoughnut)*