GoPlus motor rotates only one direction
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I'm trying to control 130RA motors using GoPlus (not GoPlus2).
But it rotates only one direction.
Anyone have same problem??I'm using,
- GoPlus controlled with M5Stack Fire
- 130RA motors( https://akizukidenshi.com/download/ds/mercurymotor/FA-130RA-2270_20190306.pdf )
- External stabilized power supply 5.5V
My Investigation are following.
I uploaded this simple code to my GoPlus module.
//GoPlus Motor Debug code for Atmega328 const int IN_0 = 9; const int IN_1 = 10; const int IN_2 = 11; const int IN_3 = 3; void setup() { pinMode(IN_0, OUTPUT); pinMode(IN_1, OUTPUT); pinMode(IN_2, OUTPUT); pinMode(IN_3, OUTPUT); } void loop() { digitalWrite(IN_0, LOW); digitalWrite(IN_1, LOW); digitalWrite(IN_2, LOW); digitalWrite(IN_3, LOW); delay(2000); digitalWrite(IN_0, HIGH); //M0 ---NG-------- digitalWrite(IN_1, LOW); digitalWrite(IN_2, HIGH); //M2 --OK: but rotates Intermittently-- digitalWrite(IN_3, LOW); delay(2000); digitalWrite(IN_0, HIGH); digitalWrite(IN_1, HIGH); digitalWrite(IN_2, HIGH); digitalWrite(IN_3, HIGH); delay(2000); digitalWrite(IN_0, LOW); //M0 --OK: but rotates Intermittently-- digitalWrite(IN_1, HIGH); digitalWrite(IN_2, LOW); //M2 --NG-------- digitalWrite(IN_3, HIGH); delay(2000); digitalWrite(IN_0, LOW); digitalWrite(IN_1, LOW); digitalWrite(IN_2, LOW); digitalWrite(IN_3, LOW); delay(2000); digitalWrite(IN_0, LOW); //M0 --OK: rotates Continuously-- digitalWrite(IN_1, HIGH); digitalWrite(IN_2, HIGH); //M2 --OK: rotates Continuously-- digitalWrite(IN_3, LOW); delay(2000); }Only following case works well, but others don't...
digitalWrite(IN_0, LOW); //M0 --OK-- digitalWrite(IN_1, HIGH); digitalWrite(IN_2, HIGH); //M2 --OK-- digitalWrite(IN_3, LOW);- The voltage(HIGH / LOW) of IN_0 to IN_3 of LV8548 are correct for all cases.
- I replaced to another GoPlus module, but it was exactly the same.
To drive 130RA motor, GoPlus is too weak??
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