Serial Monitor

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Monitors your serial port and allows you to read and write to it like you could with Arduino's IDE.

Latest reviews

• (2023-01-18) Brian Marshall: It works, but there is no autoscroll, which limits its usefulness.
• (2021-08-31) Enzo Ruberto: Very simple and easy to use, however it is missing an auto scroll feature which is crucial for a serial monitor.
• (2019-10-01) Steven Carmichael: How to force sending CRLF (\n)? Launched in Chrome browser Version 77.0.3865.90 (Official Build) (64-bit) on Windows 8.1 Home to a USB device COM3, which works with e.g. putty. The problem seemingly is that CRLF (\n) is not sent; the device "sees" text (as confirmed by subsequent putty connection) but does not respond unless/until \n is detected..
• (2018-03-29) cb Temp: Captures data off an inexpensive USB GPS puck. Works fine. Acer C720 chromebook
• (2017-10-03) Frankie Fury: Buffer rate on the Output is slow and the input shell gives no interaction similar to Beagle Term (i.e tab for command list).
• (2017-04-07) Charles Tritt: I'm an engineering professor and often demonstrate embedded programs (in both mbed and Wiring (Arduino & Energia)) during my lecture. This extension works very well for this. The minimal interface is an advantage is my application. If I want more features and flexibility I use Tera Term.
• (2016-07-03) Magillian: It did not work.
• (2016-04-05) Frank Casey: THe autoscroll is useless, cant see most recent data
• (2016-03-26) Jan Pottinger: Works fine with a Chromebook as a demo. I wish it would scroll better.
• (2016-02-27) Excitron: after changing baud to 115200 and selecting correct com4, just a blank white screen. no in, no out, nothing, how can anyone say it is ok?
• (2016-01-30) Maurice Porter: I tried to Download the SM App on my Android Tablet using Google Chrome but it doesn't download the same as on my laptop & can't get it to work! Any ideas?
• (2015-10-31) Jon Huber: I have an Acer C720 ZHN Chromebook. Connected to an Arduino streaming output via USB at 9600 baud, the window does not scroll with the output, and homes on each new line so it is impossible to see the newest received data. Please add an auto scroll and window line limit.
• (2015-09-11) casey palmer: Works Great, Thank you !!
• (2015-05-27) Tom Dupont: Unfortunately, there is no way to define the termination as new line only, carriage return only, no or both like on the arduino ide.
• (2015-02-18) Sean Houlihane: Simple, easy to use. Beats Windows 10, which seems to have broken serial comms at the moment.
• (2015-01-20) Christoph Gatterbauer-Trischler (Wolf): simple tool for monitoring/sending to serial monitors. Works as advertized.
• (2015-01-03) Aaron Wallace: Works perfect with my Arduino - The clean cut no mess no fuss operation is great too!
• (2014-06-19) Robert Talamantez: streams data from my arduino quite well
• (2014-05-07) Silvio G.: Excellent example of a functional serial monitor. It's the only implementation thus far that actually work right off the bat.
• (2014-01-15) red serpent: Am happy to see folks developing for the Arduino/or any other AVR. Sadly I could not understand this application. The documentation is poor. The working Interface has only 2 windows. Input is a ONE-Line command-line type input and a larger one for the output(backwards!). When you first start the App the display offers 2 dropDown menus: Port Path and Baud Rate AND a blue connect button. There are no other options/buttons/... WHatsoever, except the windows [x] and [-] buttons of the GUI. No options to close, open, save, quit, view, blah blah nothing! Once you have selected path and baud the window changes to the Form Input and Output style that I described above. The input has a send blue button next to it. That is it. There are no indicators nor cues nor helping text nor links as to what to do, expect, call, mail, cry or un-istall. Am choosing Un-Install. Sad, had great hopes for this. AM CURIOUS i AM THE 1ST PERSON TO RATE IT YET! YET IT ALREADY HAD A RATING OF 3.5 ???