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HelpMate is a flexible interface module, which provides several everyday required functions in an electronics lab:
USB-UART(TTL) converter (with USB miniB connector!)
can be combined to a USB-RS232 interface!
5V fixed voltage regulator, max. 500mA
3.3V fixed voltage regulator, max. 500mA
adjustable voltage regulator 1.2V-7V (with precision poti), max. 100mA
Crystal oscillator and frequency devider with multiple output frequencies: CLK/1, CLK/2, CLK/4, CLK/8 and CLK/128. With the standard 14.7456MHz crystal (HC49 package) you get: 14.7456MHz, 7.3728MHz, 3.6864MHz, 1.8432MHz and 115.2kHz. Other crystals can be assembled as well.
Oscillator and TTL signals configurable for 5V or 3.3V.
Power supply from USB bus is possible (5V comes from USB bus then and no longer from voltage regulator!)
Module configuration is selectable by three confortable sliding switches
Small size (30x53mm), hence robust sealing with shrinking tube is easily possible!