FIGURE 5.
Receiver/decoder
block diagram.
you need. I wanted it as small as possible and very light.
Given the proximity to the antenna, a metal or conductive
plastic enclosure is very important. You need to make sure
the case is grounded to the radio ground. For power, I
tapped it directly off of the battery at the on-off switch in
the transmitter. You’ll see that the red-green LED is wired
off of the lower board and pressed into a hole on the
chassis face. Call it a lack of planning, but I just didn’t want
to mess up the symmetry of the switch board layout.
SCHEMATIC 4. Servo outputs,
AV multiplexor.
60 SERVO 04.2010
