# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**2 device listed.**

## FT232 USB to TTL Serial Adapter

FTDI FT232RL-based USB-to-TTL serial adapter with selectable 3.3V/5V logic, 6-pin header, and full modem signals. Essential tool for programming Arduino, ESP8266, and other MCUs.

[Details](https://openhardware.directory/devices/ft232-usb-to-ttl) | [Markdown](https://openhardware.directory/devices/ft232-usb-to-ttl/md)

## Waveshare RP2040-GEEK

A compact USB-A development board and debugging tool built around the RP2040 dual-core Cortex-M0+ MCU, featuring a 1.14-inch IPS LCD, microSD card slot, and exposed SWD, UART, and I2C connectors for programming ARM microcontrollers.

[Details](https://openhardware.directory/devices/waveshare-rp2040-geek) | [Markdown](https://openhardware.directory/devices/waveshare-rp2040-geek/md)