 | Author | Message | < PIC Project ~ Memory Expansion for Futaba R/C Transmitters | | eric | | Posted: Sun Aug 27, 2006 10:30 am Post subject: Memory Expansion for Futaba R/C Transmitters | | | | Site Admin Joined: 01 Jan 1970 Posts: 311 | In the model buildingworld a lot of transmitters are used with
a built-in microprocessor. This processor occupies itself with
carrying out, among other things, mixing functions, null point
control of the servo, reversal of the servo, etc. This provides
two significant advantages. On the one hand there is no need
to purchase expensive analogue mixers again, because all of
that is now implemented in software. On the other hand, you
can use different settings for different models, because the
various settings can be stored in non-volatile memory. However,
many transmitters have very limited capacity in this
respect. If desired, the memory can be expanded by purchasing
a memory module. Expansion of the memory has the
advantage that you can copy the current settings via the transmitter
and then experiment with the settings in order to optimise
them without losing the original data.
The circuit diagram, Figure 1, shows such a module.
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