Serial Monitor: USB, Bluetooth
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About this app
See what your board is saying, and talk back to it, on your phone. Plug an Arduino, ESP32, ESP8266 or Raspberry Pi Pico in with a USB OTG adapter, or connect to a paired Bluetooth module such as an HC-05, and read its Serial.print output with no laptop nearby.
USB SERIAL
• Boards and adapters with a CH340 / CH341, CP2102 / CP210x, FTDI or PL2303 chip
• Native USB boards: Arduino Leonardo and Micro, Raspberry Pi Pico, ESP32-S2, S3 and C3
• Plug a board in and the console opens straight away once you allow it
• Any baud rate from the list or typed in, data bits, parity and stop bits, DTR and RTS
• Reset board, the way the Arduino IDE and esptool do it
BLUETOOTH SERIAL
• Connect to paired Bluetooth Classic modules: HC-05, HC-06, or an ESP32 running the BluetoothSerial example
• Only the devices you paired yourself: the app never scans and never asks for your location
A CONSOLE MADE FOR BOARDS
• ESP-IDF, Zephyr and MicroPython colour codes shown as colours
• Hex view and timestamps to the millisecond
• Follows the stream as it arrives; scroll up to read and jump back down when you're done
• Long-press a line to copy it
• Keep 1,000, 5,000 or 20,000 lines
SEND COMMANDS
• Type a line and pick what goes after it: LF, CR, both or nothing
• Send raw bytes in hex, such as 01 03 00 00 00 0A
• Command buttons under the console: tap to send, long-press to change
PLOTTER
• Graph readings live, the way the Arduino Serial Plotter does: temp:24.1,humidity:41
• Up to 8 series, each with its latest value; tap one to hide it and the scale fits the rest
LOGS
• Save the whole console as a text file with times, or share the newest part
NO BOARD AT HAND?
• A built-in demo board (a simulated ESP32) with coloured boot logs, sensor readings and commands, so you can try every feature first
Light and dark themes. The app listens while it is open and keeps the screen on while a device is connected.
USB SERIAL
• Boards and adapters with a CH340 / CH341, CP2102 / CP210x, FTDI or PL2303 chip
• Native USB boards: Arduino Leonardo and Micro, Raspberry Pi Pico, ESP32-S2, S3 and C3
• Plug a board in and the console opens straight away once you allow it
• Any baud rate from the list or typed in, data bits, parity and stop bits, DTR and RTS
• Reset board, the way the Arduino IDE and esptool do it
BLUETOOTH SERIAL
• Connect to paired Bluetooth Classic modules: HC-05, HC-06, or an ESP32 running the BluetoothSerial example
• Only the devices you paired yourself: the app never scans and never asks for your location
A CONSOLE MADE FOR BOARDS
• ESP-IDF, Zephyr and MicroPython colour codes shown as colours
• Hex view and timestamps to the millisecond
• Follows the stream as it arrives; scroll up to read and jump back down when you're done
• Long-press a line to copy it
• Keep 1,000, 5,000 or 20,000 lines
SEND COMMANDS
• Type a line and pick what goes after it: LF, CR, both or nothing
• Send raw bytes in hex, such as 01 03 00 00 00 0A
• Command buttons under the console: tap to send, long-press to change
PLOTTER
• Graph readings live, the way the Arduino Serial Plotter does: temp:24.1,humidity:41
• Up to 8 series, each with its latest value; tap one to hide it and the scale fits the rest
LOGS
• Save the whole console as a text file with times, or share the newest part
NO BOARD AT HAND?
• A built-in demo board (a simulated ESP32) with coloured boot logs, sensor readings and commands, so you can try every feature first
Light and dark themes. The app listens while it is open and keeps the screen on while a device is connected.
Talk to Arduino, ESP32 & HC-05 boards: serial terminal with a live plotter.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- This app may collect these data typesApp activity, App info and performance, and Device or other IDs
- Data is encrypted in transit
- Data can’t be deleted
What’s new
Read your board's serial output on your phone over USB or Bluetooth: coloured logs, hex view, timestamps, commands, a live plotter and saved logs, plus a built-in demo board to try it all with no hardware.
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About the developer
SHARAD YADAV
ysharad.10@gmail.com
Behjam Road
Sarbati Devi Colony
Lakhimpur-Kheri, Uttar Pradesh 262701
India
