Easy-to-use, powerful web/browser UART terminal, no installation req.
A modern, stand alone browser-based serial terminal for UART communication with microcontrollers, embedded devices, and IoT hardware. No installation required - just open in your browser and connect to your serial device. Just unpack the zip file into local folder and open index.html in Chrome/Edge/Opera. Works on Windows/Linux/MaOS
Qodem is a a terminal emulator that resembles the BBS-era Qmodem. Includes phonebook, scrollback, capture, X/Y/Zmodem, Kermit, ANSI (+ music) / Avatar / VT102 / Linux emulation, Unicode, and keyboard macros. Connects over serial, ssh, telnet, rlogin.
Send serial commands to your project from any device with a headphone jack that supports HTML5 and JavaScript. Does potentially require a few components to be added to your project. Designed for reliable results by default, but allows many adjustments. Uses 9600 8N1 by default. The baud rate is easily changed. The library is heavily commented to assist with any tweaking you want to do.
For schematics of how to connect to your MCU/MPU, see...