FrankieValley
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Posts posted by FrankieValley
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So is the Tx output to the mount just 3.3V? The PIC USART in the mount is expecting 5V. Whilst 3.3v may be enough to switch ttl please consider that the comms protocol being used has absolutely no error detection / correction capability to handle a marginal comms environment.
Chris.
Hi Chris,
Glad you posted. Are you nervous that this may not work 100%? This is taken from your site and I know you are familiar with it - Please be aware that FTDI produce a similar product, the TTL232R3V3, but due to lower signaling voltages this will not work
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Thanks for the post. I shall be making one up for my EQ6. Always good to have a bit of a tidy up and I can replace my old EQDir 'box' that is velcroed to my mount. Also, the only thumb screw on the EQDir RS232 connector snapped and I'm reliant on friction to stop the plug falling out. That is stress I can do without
USB EQDir for under £4
in DIY Astronomer
Posted
Thanks Dave.