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ambit 250 max232 ttl set up help,

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ambit 250 max232 ttl set up help,
boyley1984 Offline
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#1
24-06-2013, 01:08 PM
hi, can someone please show me the correct way to connect my ambit 250 to my max232 board

max board [Image: sku026822-07.jpg]#

i have 4 wires blue, red, white, yellow.
[Image: 02.jpg]

can you show me were to connect on ambit board as theres pins and i know ones isint used but not sure wich,
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drewmerc Offline
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#2
24-06-2013, 01:45 PM
what is the exact chip on your 232 board, is it MAX232EPE as this is a 5v chip and not the required 3.3v (really this is why i made the recommend tools sticky you could have save all the trouble and money)

anyways data tx to txd-isp, data rx to rxd-isp, gnd(any) to gnd-isp, 3.3v not connected so power the max232 via an external 5v power supply

[Image: ttl_serial_186.jpg]

interesting read http://www.dd-wrt.com/phpBB2/viewtopic.p...sc&start=0
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mollymac Offline
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#3
10-05-2015, 08:45 PM
I have order a RS232 To TTL Converter Module Serial Board MAX232CPE

Input: 3.3V to 5V USB Power.
Output: 5V.

will this work?
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drewmerc Offline
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#4
10-05-2015, 09:15 PM
just buy a usb ttl cable off ebay http://www.ebay.com/sch/i.html?_from=R40...l&_sacat=0
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mollymac Offline
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#5
10-05-2015, 09:51 PM
I already have a cable..my broad seems to be broke,
and ordered RS232 To TTL Converter Module Serial Board MAX232CPE

my old chip was cpe
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