# DEV-12640 (Component)
## Description
ATmega32U4 Pro Micro AVR® ATmega AVR MCU 8-Bit Embedded Evaluation Board #EvaluationBoard #EmbeddedMCU #DevelopmentBoard #Atmega32U4
## Component Details
- **Owner:** jecstronic
- **Created:** 9/27/2023
- **Last Updated:** 9/27/2023
- **Visibility:** Public
- **Datasheet URL:** https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/492/ProMicro&Fio_v3_HookupGuide_Web.pdf
- **Manufacturer Name:** SparkFun Electronics
- **Manufacturer Part Number:** DEV-12640
- **Part Type:** Evaluation Board
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Used in:** 38 projects
- **Forks:** 1
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/dev-12640/sparkfun-electronics.html?utm_currency=USD®ion=nac) | $19.50 | 0 |
| [Digi-Key](https://www.digikey.com/en/products/detail/sparkfun-electronics/DEV-12640/5140825) | $19.50 | 514 |
| [LCSC](https://www.lcsc.com/product-detail/C22281393.html) | $22.9898 | 0 |
| [Mouser](https://www.mouser.com/ProductDetail/SparkFun/DEV-12640?qs=WyAARYrbSnb2ipr1B6qalg%3D%3D) | $23.99 | 128 |
| [Verical](https://www.verical.com/pd/sparkfun-electronics-embedded-system-development-tools-DEV-12640-11730086) | N/A | N/A |
- **Part Type:** Evaluation Boards
- **Manufacturer:** SparkFun
- **MPN:** DEV-12640
- **Pin Count:** 24
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | GND_1 | |
| 2 | 2 | |
| 3 | 3 | |
| 4 | 4 | |
| 5 | 5 | |
| 6 | 6 | |
| 7 | 7 | |
| 8 | 8 | |
| 9 | 9 | |
| 10 | 10 | |
| 14 | 14 | |
| 15 | 15 | |
| 16 | 16 | |
| 18 | VCC | |
| 19 | RST | |
| 20 | GND_2 | |
| 21 | RAW | |
| 22 | TXO | |
| 23 | RXI | |
| 24 | GND_3 | |
| A1 | A0 | |
| A2 | A1 | |
| A3 | A2 | |
| A4 | A3 | |
---
*Generated from [https://www.flux.ai/jecstronic/dev-12640~yd1](https://www.flux.ai/jecstronic/dev-12640~yd1)*