Logic Analyzer, for Arduino, other AVR and STM32 with a very nice working processing interface, you could run it also on any Android device.
How I built an oscilloscope using a Raspberry Pi Pico, some jellybean components from my electronics parts bin and a PVR from the dumpster.
The BeagleBone will be controlled through the network and use a serial terminal to communicate with off-board devices such as MCU boards.
Turn you Raspberry Pi Pico (or any RP2040 board) into simple logic analyzer in 5 minutes.
DHT11 Temp and Humidity library from scratch to send data to ThinkSpeak with an AZDelivery ESP8266 ESP-12F NodeMCU Lua Amica V2
With minimum expense you get a quite comfortable and fast logic analyzer using only an Arduino UNO.
24MHz 8CH - How to monitor an I2C sensor.
I got to test out the new Analog Discovery 3 and it saved me from a bad connector on a SPI bus between an FPGA and an eInk display.
Will show you how to use AD2 to debug the UART protocol.
How the serial data and serial clock of a different logic level is compatible with any other logic voltage and the simple answer use- LLC.