Zmaster

Member Since: November 16, 2011

Country: United States

  • News - October Caption Contest | about 6 months ago

    “50 shades of… LED”

  • News - September Caption Contest | about 8 months ago

    Owling: you’re doing it w… oh cmon dude, just don’t do it.

  • Product SEN-11792 | about 8 months ago

    I think supply and communication voltages should be better specified. According to the latest version of the datasheet, GT-511C3_datasheet_V1 1_20130411[4].pdf, the module has an “Operating voltage” in the range 3.3-6V. With just this information one could conclude that the supply and communication voltages are equal and in that range, so this module could be used at both 3.3V and 5V without any level converter. But this may not be the case. Please improve the description on this matter.

    EDIT: the datasheet specifies on the last pages the pinout and there it also specifies that supply is 3.3-6V while communication is 3.3V. Also, i measured the idle voltage of the TX pin with 5V supply and it was 3.3V. This confirms such data.

  • Product DEV-11575 | about 11 months ago

    I’d like to give my 2cents too about FTDI: the reason i really like it is that you can use it as a simple virtual com port but you can also use their libraries to transfer data and in that case you can refer to a device using the name instead of a com port number. This is very nice in my opinion as plugging a device in a different port will create new (different) virtual com ports and i always have to check which port was assigned.

  • News - Your March Caption Contes… | about a year ago

    Arduino stacking design: you’re doing it wrong.

  • Product CAB-11579 | about a year ago

    Even if your PC probably won’t die because of this, there are situations where it would be surely better to not have those alligators clips hanging out. Think about non-properly designed USB hosts and hubs (i don’t even want to know…). Or powering your circuit with the plug and then having the clips make a short on ICs.

    Detachable clips sounds like a good compromise to me.

  • News - New Product Friday: Sense… | about 2 years ago

    A widely used rule of thumb indicates that cables more than 50 feet (15 m) long will have too much capacitance, unless special cables are used. By using low-capacitance cables, full speed communication can be maintained over larger distances up to about 1,000 feet (300 m)."

    Aside from the special cables to reach that distance, i’m worried for Electromagnetic interference to the electronics. Of course “it can be done”, but i won’t recommend it. RS485 is not harder/expensive/complex too.

  • News - New Product Friday: Sense… | about 2 years ago

    RS232 suitable for long distance communications? O_o I don’t agree with this one. Unless “long” is a few meters.

  • News - September Caption Contest | about 2 years ago

    Moustache + Red hat = WIN! Even if you’re number 13.

  • News - New Product Friday: Seein… | about 2 years ago

    Lol, you’re absolutely right. My problem is always lack of documentation.

No public wish lists :(