Inverter For Hserin Using 1N7000 Mosfets

[Goeytex]

Inverter For Hserin Using 2N7000 Mosfets

I had these parts laying around so I made this to replace the
MAX232 for use with Hserin on a 28X1 Picaxe. It works fine.

This connects a Picaxe 28X1 to a PC allowing the use
of Hserin/Hserout. Using Hserin means The Picaxe can
now keep up with consecutive bytes of serial data sent to it
without a delay added between data bytes.

See the schematic.

The program is to test Hserin /Hserout using Hyperterminal

Goey
.

 

[westaust55]

Maybe the moderators can fix the thread titel to reference 2N700 (not 1N7000)

and

Goeytex can rename the attachment and uplaod with the correct title using 2N7000.

The content of the schematic shows the 2N7000 which I use for i2c comms level shifting.

Otherwise a great alternative - I too have a handful of 2N7000 in my parts boxes.

 

[Dippy]

Well done.
Blimey it looks a bit like mine I did 10 years ago.

When using USART TX I do mine with a P-chan/PNP at the top.
Having that tranny on is wasting power.
So, design depends a bit on port.x polarity.
A slight mod will also allow an 'open' serial , permitting several serout transmitters to share a line.