# ATMEGA32U4 SCH ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** dklee - **Created:** 8/23/2023 - **Last Updated:** 8/31/2023 - **Visibility:** Public - **Stars:** 1 ## Key Components ### F3 — [Fuse_0805_2012](https://www.flux.ai/adrian95/fuse08052012~11n.md) **Pins:** - P1 - P2 ### H1 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad~aio.md) - Part Type: Connector **Pins:** - Pin_1 ### H2 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad~aio.md) - Part Type: Connector **Pins:** - Pin_1 ### H3 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad~aio.md) - Part Type: Connector **Pins:** - Pin_1 ### H4 — [Mounting Hole 3.2mm DIN965 Pad](https://www.flux.ai/adrian95/mounting-hole-32mm-din965-pad~aio.md) - Part Type: Connector **Pins:** - Pin_1 ### J1 — [Pin Header 01x12 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x12-254mm-vertical~yy0.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **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] ### J2 — [Pin Header 01x12 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x12-254mm-vertical~yy0.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **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 — [USB Micro B](https://www.flux.ai/jharwinbarrozo/usb-micro-b~t8p.md) - Manufacturer Name: Molex - Manufacturer Part Number: 0473460001 - Part Type: USB B - Datasheet URL: https://www.molex.com/pdm_docs/sd/473460001_sd.pdf **Pins:** - D- [pin 2] - D+ [pin 3] - GND [pin 5] - ID [pin 4] - S1 [pin 6] - S2 [pin 7] - S3 [pin 8] - S4 [pin 9] - S5 [pin 10] - S6 [pin 11] - VBUS [pin 1] ### J4 — [OLED-Display-0.96](https://www.flux.ai/adrian95/oled-display-096~olq.md) - Part Type: Display Device **Pins:** - GND - SCK - SDA - VDD ### J5 — [Pin Header 01x01 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x01-254mm-vertical~i3g.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] ### J6 — [Pin Header 01x01 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x01-254mm-vertical~i3g.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] ### J7 — [Connector 01x06](https://www.flux.ai/jharwinbarrozo/connector-01x06~yh.md) - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### J8 — [Pin Socket 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x04-254mm-vertical~kks.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J9 — [Pin Socket 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x04-254mm-vertical~kks.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### SW1 — [SWITCH-PUSH-6mm-H8.5mm-4pin](https://www.flux.ai/vasy_skral/switch-push-6mm-h85mm-4pin~5t.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch **Pins:** - 1-1 [pin 1-1] - 1-2 [pin 1-2] - 2-1 [pin 2-1] - 2-2 [pin 2-2] ### SW2 — [SWITCH-PUSH-6mm-H8.5mm-4pin](https://www.flux.ai/vasy_skral/switch-push-6mm-h85mm-4pin~5t.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch **Pins:** - 1-1 [pin 1-1] - 1-2 [pin 1-2] - 2-1 [pin 2-1] - 2-2 [pin 2-2] ### SW3 — [PB-22E86C](https://www.flux.ai/jecstronic/pb-22e86c~810.md) - Manufacturer Part Number: PB-22E86C - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/2108142330_G-Switch-PB-22E86C_C2848957.pdf - Manufacturer Name: G-Switch - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### U1 — [ATMEGA32U4-AU](https://www.flux.ai/vasy_skral/atmega32u4-au~12w.md) - Manufacturer Name: Microchip - Datasheet URL: http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Summary.pdf - Part Type: Microcontroller - Manufacturer Part Number: ATMEGA32U4-AU **Pins:** - ~HWB~/PE2 [pin 33] - ~RESET [pin 13] - AREF [pin 42] - AVCC [pin 24] - AVCC [pin 44] - D- [pin 3] - D+ [pin 4] - GND [pin 15] - GND [pin 35] - GND [pin 23] - GND [pin 43] - PB0 [pin 8] - PB1 [pin 9] - PB2 [pin 10] - PB3 [pin 11] - PB4 [pin 28] - PB5 [pin 29] - PB6 [pin 30] - PB7 [pin 12] - PC6 [pin 31] - PC7 [pin 32] - PD0 [pin 18] - PD1 [pin 19] - PD2 [pin 20] - PD3 [pin 21] - PD4 [pin 25] - PD5 [pin 22] - PD6 [pin 26] - PD7 [pin 27] - PE6 [pin 1] - PF0 [pin 41] - PF1 [pin 40] - PF4 [pin 39] - PF5 [pin 38] - PF6 [pin 37] - PF7 [pin 36] - UCAP [pin 6] - UGND [pin 5] - UVCC [pin 2] - VBUS [pin 7] - VCC [pin 34] - VCC [pin 14] - XTAL1 [pin 17] - XTAL2 [pin 16] ### U2 — [LM1117IMP-5.0-NOPB](https://www.flux.ai/jharwinbarrozo/lm1117imp-50-nopb~ia.md) - Manufacturer Part Number: LM1117IMPX-5.0/NOPB - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Package or Case Code: SOT223-4 - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm1117.pdf **Pins:** - GND [pin 1] - IN [pin 3] - OUT1 [pin 2] - OUT2 [pin 4] ### U3 — [LM358DR](https://www.flux.ai/jecstronic/lm358dr~lam.md) - Manufacturer Name: Texas Instruments - Manufacturer Part Number: LM358DR - Part Type: Operational Amplifier (OP-AMP) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm358 **Pins:** - -IN 1 [pin 2] - -IN 2 [pin 6] - +IN 1 [pin 3] - +IN 2 [pin 5] - OUT 1 [pin 1] - OUT 2 [pin 7] - V- [pin 4] - V+ [pin 8] ### U4 — [MAX4172ESA+](https://www.flux.ai/kebbin/max4172esaplus~r8.md) - Manufacturer Part Number: MAX4172ESA+ **Pins:** - *PG - GND - NC - NC - OUT - RS- - RS+ - V+ ### X2 — [Crystal HC-49US THT](https://www.flux.ai/jharwinbarrozo/crystal-hc-49us-tht~jhc.md) - Frequency: 16MHz - Part Type: Oscillator **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dklee/atmega32u4-sch~bt](https://www.flux.ai/dklee/atmega32u4-sch~bt).* --- *Generated from [https://www.flux.ai/dklee/atmega32u4-sch~bt](https://www.flux.ai/dklee/atmega32u4-sch~bt)*