# Arduino Pro Mini 328 - 3.3V/8 MHz ## Description Arduino that runs an 8 MHz bootloader on a super small, super thin board. ## Project Details - **Owner:** jecstronic - **Created:** 4/12/2022 - **Last Updated:** 4/14/2023 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Stars:** 15 - **Forks:** 12 - **Copies:** 15 ## Key Components ### J1 — [Conn_01x06](https://www.flux.ai/jecstronic/conn01x06~ev.md) - Manufacturer Part Number: Conn_01x06 **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] ### J2 — [Conn_01x12](https://www.flux.ai/jecstronic/conn01x12~tsb.md) - Manufacturer Part Number: Conn_01x12 **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### J3 — [Conn_01x12](https://www.flux.ai/jecstronic/conn01x12~tsb.md) - Manufacturer Part Number: Conn_01x12 **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### J4 — [Pin Header 01x02 2.00mm Vertical](https://www.flux.ai/adrian95/pin-header-01x02-200mm-vertical~tjb.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J5 — [Pin Header 01x02 2.00mm Vertical](https://www.flux.ai/adrian95/pin-header-01x02-200mm-vertical~tjb.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### LED1 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### U1 — [ATMEGA328-AU](https://www.flux.ai/adrian95/atmega328-au~40u.md) - Part Type: Microcontroller - Manufacturer Name: Microchip - Manufacturer Part Number: ATMEGA328-AU - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061B.pdf **Pins:** - ~RESET~/PC6 - ADC6 - ADC7 - AREF - AVCC - GND - GND - GND - PB0 - PB1 - PB2 - PB3 - PB4 - PB5 - PC0 - PC1 - PC2 - PC3 - PC4 - PC5 - PD0 - PD1 - PD2 - PD3 - PD4 - PD5 - PD6 - PD7 - VCC - VCC - XTAL1/PB6 - XTAL2/PB7 ### U2 — [MIC5205YM5-TR](https://www.flux.ai/adrian95/mic5205ym5-tr~q8.md) - Manufacturer Name: Microchip Technology - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.octopart.com/MIC5205YM5-TR-Microchip-datasheet-3438.pdf - Manufacturer Part Number: MIC5205YM5-TR **Pins:** - ADJ [pin 4] - EN [pin 3] - GND [pin 2] - IN [pin 1] - OUT [pin 5] ### Y1 — [CSTNE8M00G55A000R0](https://www.flux.ai/jharwinbarrozo/cstne8m00g55a000r0~ns.md) - Frequency: 8MHz - Manufacturer Part Number: CSTNE8M00G55A000R0 - Datasheet URL: https://datasheet.lcsc.com/lcsc/2008251032_Murata-Electronics-CSTNE8M00G55A000R0_C341523.pdf - Manufacturer Name: Murata Electronics **Pins:** - GND - OSC_IN - OSC_OUT *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jecstronic/arduino-pro-mini-328-33v8-mhz~s1y](https://www.flux.ai/jecstronic/arduino-pro-mini-328-33v8-mhz~s1y).* --- *Generated from [https://www.flux.ai/jecstronic/arduino-pro-mini-328-33v8-mhz~s1y](https://www.flux.ai/jecstronic/arduino-pro-mini-328-33v8-mhz~s1y)*