Posted by Audun Brekke on January 17, 2010 at 3:13am
Hi. I bought this PPM encoder. I have connected it to a Futaba 2.4GHz FASST R6114FS. I use a 10ch TX. The PPM encoder seems to only output the first 6 channels. I have scooped the PPM output, and I can only see 6 channels.Is'nt it compatible with futaba FASST ? Or is there some setting or tricks I have to do to make it work ?I have now tested the PPM encoder on two other RX. One Futaba R617 FASST and one JR RS10DS. When any of these RX is connected I only get 6 channels out of the PPM output on the PPM encoder. Am I doing somthing wrong. Do I have to program the PPM encoder with latest firmware ?
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Hello, i am new in here and this is my first post. I have question about PPM encorder that i will purchase from DIY drones.
I am flying tricopter and current using corona scan RX and connected with TT-RecEnc (single pulse train) and send signal to my tricopter controller board.
Now, i want to buy PPM encorder from DIY drones, but i need to know if this unit can be replaced with TT-RecEnc (generate single pulse train).
I will be using 8 channel Rx and i only need 6 channel to connect with PPM encorder. Can i connect only 6 channel instead of 8 channel. If i connect only 6 channel between PPM encorder and my Rx, therefore i will have 2 channel left in my RX. Can i connect 2 servo directly to rx without PPM encorder and control my camera mount tilt?
I get the distinct feeling from reading the paparzzi 'Other Hardware' article which is the source of this decoder that it is primarily designed for 35/40/72Mhz FM PPM type radios that use a sequential channel output at a fixed frame rate.
I seem to remember that the update of each channel on 2.4Ghz can be different to FM type PPM including the fact that some of the higher numbered channels are updated at a slower rate.
Replies
I am flying tricopter and current using corona scan RX and connected with TT-RecEnc (single pulse train) and send signal to my tricopter controller board.
Now, i want to buy PPM encorder from DIY drones, but i need to know if this unit can be replaced with TT-RecEnc (generate single pulse train).
I will be using 8 channel Rx and i only need 6 channel to connect with PPM encorder. Can i connect only 6 channel instead of 8 channel. If i connect only 6 channel between PPM encorder and my Rx, therefore i will have 2 channel left in my RX. Can i connect 2 servo directly to rx without PPM encorder and control my camera mount tilt?
I hope my questions are clear.
#define RC_FAILSAFE_CHANNEL_1 1500UL
#define RC_FAILSAFE_CHANNEL_2 1500UL
#define RC_FAILSAFE_CHANNEL_3 1000UL
#define RC_FAILSAFE_CHANNEL_4 1500UL
#define RC_FAILSAFE_CHANNEL_5 1000UL
#define RC_FAILSAFE_CHANNEL_6 1000UL
#define RC_FAILSAFE_CHANNEL_7 1000UL
#define RC_FAILSAFE_CHANNEL_8 1000UL
#define RC_PPM_GEN_CHANNELS 8 /* How many channels the PPM output frame will have. */
What did you modify?
For 8Ch you will need to reprogram the firmware to change all the settings required (personalized). For that you will any AVR SPI programmer.
I seem to remember that the update of each channel on 2.4Ghz can be different to FM type PPM including the fact that some of the higher numbered channels are updated at a slower rate.
Peter