Product Specifications

Mode 1: Analog Input

Analog input mode is selected by setting switches 1 and 2 to the UP position. Switch 3 should be

either up or down, depending on the battery type being used. Inputs S1 and S2 are configured as

analog inputs. The output impedance of the signals fed into the inputs should be less than 10k

ohms for best results. If you are using a potentiometer to generate the input signals, a 1k, 5k or

10k linear taper pot is recommended. In all cases, an analog voltage of 2.5V corresponds to no

movement. Signals above 2.5V will command a forward motion and signals below 2.5V will

command a backwards motion.

There are three operating options for analog input. These are selected with switches 4, 5 and 6.

All the options can be used independently or in any combination.

Switch 4: Mixing Mode

If switch 4 is in the UP position, the Sabertooth 2x5 is in

Mixed mode. This mode is designed for easy steering of

differential-drive vehicles. The analog signal fed into S1

controls the forward/back motion of the vehicle, and the

analog signal fed into S2 controls the turning motion of the

vehicle. If Switch 4 is in the DOWN position, the

Sabertooth 2x5 is in Independent mode. In Independent mode, the signal fed to S1 directly

controls Motor 1 (outputs M1A and M1B) and the signal fed to S2 controls Motor 2.

Switch 5: Exponential response

If switch 5 is in the DOWN position, the response to input

signals will be exponential. This softens control around the

zero speed point, which is useful for control of vehicles

with fast top speeds or fast max turning rates. If switch 5 is

in the UP position, the response is linear.

Switch 6: 4x sensitivity

If switch 6 is in the UP position, the input signal range is

from 0v to 5v, with a zero point of 2.5v.

If switch 6 is in the DOWN position, 4x sensitivity mode is

enabled. In this mode, the input signal range is from

1.875V to 3.125V, with a zero point of 2.5v. This is useful

for building analog feedback loops

Switch 4: Mixed or independent

Switch 5: Exponential response

Switch 6: 4x sensitivity