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recommend a replacement for ~SLP.
louis120913

louis120913

@copilot recommend a replacement for ~SLP.
2y

copilot

The "~SLP" in this context appears to be referring to the sleep input pin of the DRV8825 Bipolar Motor Driver according to the given project description. This pin, when set low, sends the device into a low-power sleep mode.
I will assume you're trying to replace the functionality of this pin, so you need a component that can be controlled to send a logic level high or low signals.
Here are some options:
  1. GPIO (General Purpose Input/Output) Pins from a Microcontroller (MCU): A microcontroller like the Arduino UNO, ESP32, or any board that has GPIO pins can be used to send high or low signals programmatically. The exact microcontroller board would depend on your requirements for memory, power, cost, availability, and compatibility with your existing setup.
  2. Transistor-based switch: You may use a general purpose NPN transistor as a switch to pass or block current to the ~SLP pin. A 2N3904 or BC548 NPN transistor might suffice for this, with an appropriate base resistor depending on the input signal voltage level.
  3. Digital ICs: There are also digital ICs like the 74HC series logic gates or even 74HC595 Shift Register that can be used to send high or low signals. These chips would be overkill if you just need one output, but could make sense if you need to control several digital lines.
Remember, the appropriate choice depends largely on your specific needs, including what resources and connections are already available in your circuit setup. If you provide me with more information, I can give you a more specific recommendation.
2y
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2
M2
~EN
GND
B2
A2
GND
~RST
B1
DIR
VMOT
STEP
A1
M0
~SLP
M1
~FLT
Name
Pin #
Type
Part Type
Terminal Order
Terminal Type
GND
1
Unspecified
Terminal
powerIn
~FLT
2
Unspecified
Terminal
output
A2
3
Unspecified
Terminal
output
A1
4
Unspecified
Terminal
output
B1
5
Unspecified
Terminal
output
B2
6
Unspecified
Terminal
output
GND
7
Unspecified
Terminal
powerIn
VMOT
8
Unspecified
Terminal
powerIn
~EN
9
Unspecified
Terminal
INPUT
M0
10
Unspecified
Terminal
INPUT
M1
11
Unspecified
Terminal
INPUT
M2
12
Unspecified
Terminal
INPUT
~RST
13
Unspecified
Terminal
INPUT
~SLP
14
Unspecified
Terminal
INPUT
STEP
15
Unspecified
Terminal
INPUT
DIR
16
Unspecified
Terminal
INPUT

DRV8825PWP

DRV8825PWP thumbnail