• galaxy_suporte_6
    01:48 PM

    Support for placing Galaxy SII on a trip...

    This is a small project, done in reality to see if the changes I made in my lathe/milling were acceptable. For the full story read this post. This sup...
  • 01_fogonele
    01:28 AM

    USB-RS232 to USB-RS485 Hack

    The RS232 and RS485 standards, although old, are still used in various applications, from point of sale peripherals, electronic measuring instruments ...
  • modbus_arduino
    09:37 PM

    RS-485/MODBUS Automation Network using A...

    A project to demonstrate the operation of an RS-485/Modbus automation network using a supervisory system called ScadaBR (as a teacher) and an arduino ...
galaxy_suporte_6

Support for placing Galaxy SII on a tripod

This is a small project, done in reality to see if the changes I made in my lathe/milling were acceptable. For the full story read this post. This support has…

Lathe_bearing_mod_12

Adding ball bearings to a mini lathe-mill

I have this mini lathe-mill, MANROD brand, model MR-2001. It was bought many years ago and I use it for machining soft materials, ex.: Aluminum, brass, HDPE. Machines in this…

01_fogonele

USB-RS232 to USB-RS485 Hack

The RS232 and RS485 standards, although old, are still used in various applications, from point of sale peripherals, electronic measuring instruments and industrial automation. Since modern PCs only have USB…

rigol_01

Rigol DS1052E 50MHz to 100MHz scope hack

The Rigol DS1052E oscilloscope is a cheap, fits on any countertop and caters to many hobbyists. Can be found at DealExtreme for U$345,50. It is known that this oscilloscope has…

modbus_arduino

RS-485/MODBUS Automation Network using Arduino

A project to demonstrate the operation of an RS-485/Modbus automation network using a supervisory system called ScadaBR (as a teacher) and an arduino (as a slave). In the slave there…