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Servo Circuits Last Updated on:
Friday, October 16, 2009 03:43 AM
Links to electronic circuits, electronic schematics, designs for engineers,
hobbyists, students & inventors:
0-10V Control for RC Servos - In this circuit NE555 is configured as astable
multivibrator. main timing capacitor (220 nF) is always changed to voltage
level which is determined by voltage on NE555 pin 5 (in this circuit that
voltage is aroun 1.6V). When timing capacitor is....(added 08/08/08)
Circuit Measures Currents in DC Servo Motor - 12/06/01 EDN-Design Ideas: The
simple circuit design in Figure 1 lets you measure all components of a current flowing
in a dc servo motor. The rectified output of the circuit uses ground as a reference,
so you can measure the output by using a single-ended A/D converter. The current-sense
resistor, R1, has a value of0.....(design idea added 1/05)
Modifying a Servo - I was in need to modify four expensive JR-DS8231 Ultra Digital
servos to rotate 360° instead of the standard 130° or something. The
mods were required so they could be used with a tethered blimp. The infra-red
and night vision camera equipment is mounted underneath the blimp on a special
frabicated aluminum cage and is radio controlled (Tony van Roon's R/C)... (Tony van
Roon's electronic design added 2/06)
Pulse Width Adjuster Reverses Servo Motor - 03/17/94 EDN-Design Ideas: Typical
remote-control systems and robotics applications use standard R/C servos, which often
require a reversal of the direction of rotation. Since varying the input signal's
pulse width between 1 and 2 msec controls the servo's output position, a circuit that
adjusts.....(design idea added 6/06)
Servo loop improves linear regulator efficiency - 07/08/04 EDN-Design Ideas:
Linear regulators are easy to implement and have better noise and drift
characteristics than switching approaches. Their largest disadvantage is inefficiency:
excess energy dissipated as heat.....(design idea added 1/05)
Servo Pulse to Dual H-Bridge - interface performs vital control functions needed
for propulsion and steering of a “fighting robot”. (added 1/05)
Servo Pulse to PWM - converter connects an H-Bridge to radio control receivers or
robotic circuits. (added 1/05)
Servo Slew Rate Control - A circuit that limits the rate of change of a signal; a
feature of this design is that the positive and negative rates can be different.
(added 5/02)
Servo Wiring Chart - After 1991 or so (I can't remember), most of the major brands
of servos became compatible with each other. You can use any of these brands of servos
with any brand of receiver. Some brands of servos are really great for a particular
use in a particular plane, and there are other companies that sell their servos with
each different ... (added 2/06)
Simple servo Controller - This cicuit allows you to test a servo. The angle of the
servo can be set by means of the 10k potmeter. Perhaps you will not be able to reach
all positions with this circuit. Playing with other… (added 05/06/07)
