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DC motor GA25-370 12V with Encoder 280 RPM - Image 1

DC motor GA25-370 12V with Encoder 280 RPM

DC Motor GA25-370 12V with Encoder 280 RPM
1. Voltage: 12V DC
2. Speed: 280 RPM (no-load)
3. Gearbox: GA25 (metal)
4. Motor: 370 size
5. Encoder: Incremental quadrature

SKU: Ek2067 Category: Tags: , , , , , , , ,

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Description

The DC Motor GA25-370 12V with Encoder is a compact, high-performance gearmotor combining a GA25 gearbox with a 370-size DC motor. This unit achieves a no-load speed of 280 RPM at 12V DC. It is equipped with a quadrature encoder for real-time feedback on speed and direction, making it a fundamental component for closed-loop control systems in robotics and mechatronics.

The GA25 gearbox utilizes a durable metal gear train, offering a significant torque increase while maintaining a relatively high output speed. The incremental encoder outputs two digital signals with a 90-degree phase shift, enabling a controller to derive precise position and velocity information. This motor is ideal for applications that require agility and accurate motion control, such as mobile robots and conveyor systems.

  1. Rated voltage: 12V DC
  2. No-load speed: 280 RPM
  3. GA25 metal gearbox
  4. Built-in quadrature encoder
  5. 370-size motor frame
  6. Precise speed and position feedback
  7. High power-to-weight ratio
  8. Versatile for mobile robotics
🔌
Pin Connections
1 Table
Pin Connections Table 1
BoardSensor PinConnection
Motorto H-bridge OUTmotor leads into an H-bridge driver's output terminals
📟
DC motor GA25-370 12V with Encoder 280 RPM
7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico
DC motor GA25-370 12V with Encoder 280 RPM - Arduino Uno
DC motor GA25-370 12V with Encoder 280 RPM - Arduino Nano
DC motor GA25-370 12V with Encoder 280 RPM - Arduino Mega
DC motor GA25-370 12V with Encoder 280 RPM - ESP32
DC motor GA25-370 12V with Encoder 280 RPM - ESP8266
DC motor GA25-370 12V with Encoder 280 RPM - STM32
DC motor GA25-370 12V with Encoder 280 RPM - Raspberry Pi Pico
📄 File: dc_motor_ga25-370_12v_with_encoder_280_rpm_-_arduino_uno.inoArduino Uno
812 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DC motor GA25-370 12V with Encoder 280 RPM: drive via H-bridge (IN1=8, IN2=9, ENA=10) + read its built-in quadrature encoder (A=2, B=3) on Arduino Uno.
6#define IN1 8
7#define IN2 9
8#define ENA 10
9#define ENC_A 2
10#define ENC_B 3
11
12volatile long pulseCount = 0;
13void handleEncoder() {
14 pulseCount += (digitalRead(ENC_B) > 0) ? 1 : -1;
15}
16
17void setup() {
18 Serial.begin(115200);
19 pinMode(IN1, OUTPUT); pinMode(IN2, OUTPUT); pinMode(ENA, OUTPUT);
20 pinMode(ENC_A, INPUT_PULLUP); pinMode(ENC_B, INPUT_PULLUP);
21 attachInterrupt(digitalPinToInterrupt(ENC_A), handleEncoder, RISING);
22}
23
24void loop() {
25 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
26 analogWrite(ENA, 200);
27
28 Serial.print("Encoder pulses: "); Serial.println(pulseCount);
29 delay(200);
30}
📄 File: dc_motor_ga25-370_12v_with_encoder_280_rpm_-_arduino_nano.inoArduino Nano
813 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DC motor GA25-370 12V with Encoder 280 RPM: drive via H-bridge (IN1=8, IN2=9, ENA=10) + read its built-in quadrature encoder (A=2, B=3) on Arduino Nano.
6#define IN1 8
7#define IN2 9
8#define ENA 10
9#define ENC_A 2
10#define ENC_B 3
11
12volatile long pulseCount = 0;
13void handleEncoder() {
14 pulseCount += (digitalRead(ENC_B) > 0) ? 1 : -1;
15}
16
17void setup() {
18 Serial.begin(115200);
19 pinMode(IN1, OUTPUT); pinMode(IN2, OUTPUT); pinMode(ENA, OUTPUT);
20 pinMode(ENC_A, INPUT_PULLUP); pinMode(ENC_B, INPUT_PULLUP);
21 attachInterrupt(digitalPinToInterrupt(ENC_A), handleEncoder, RISING);
22}
23
24void loop() {
25 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
26 analogWrite(ENA, 200);
27
28 Serial.print("Encoder pulses: "); Serial.println(pulseCount);
29 delay(200);
30}
📄 File: dc_motor_ga25-370_12v_with_encoder_280_rpm_-_arduino_mega.inoArduino Mega
813 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DC motor GA25-370 12V with Encoder 280 RPM: drive via H-bridge (IN1=8, IN2=9, ENA=10) + read its built-in quadrature encoder (A=2, B=3) on Arduino Mega.
6#define IN1 8
7#define IN2 9
8#define ENA 10
9#define ENC_A 2
10#define ENC_B 3
11
12volatile long pulseCount = 0;
13void handleEncoder() {
14 pulseCount += (digitalRead(ENC_B) > 0) ? 1 : -1;
15}
16
17void setup() {
18 Serial.begin(115200);
19 pinMode(IN1, OUTPUT); pinMode(IN2, OUTPUT); pinMode(ENA, OUTPUT);
20 pinMode(ENC_A, INPUT_PULLUP); pinMode(ENC_B, INPUT_PULLUP);
21 attachInterrupt(digitalPinToInterrupt(ENC_A), handleEncoder, RISING);
22}
23
24void loop() {
25 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
26 analogWrite(ENA, 200);
27
28 Serial.print("Encoder pulses: "); Serial.println(pulseCount);
29 delay(200);
30}
📄 File: dc_motor_ga25-370_12v_with_encoder_280_rpm_-_esp32.inoESP32
814 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DC motor GA25-370 12V with Encoder 280 RPM: drive via H-bridge (IN1=26, IN2=27, ENA=25) + read its built-in quadrature encoder (A=32, B=33) on ESP32.
6#define IN1 26
7#define IN2 27
8#define ENA 25
9#define ENC_A 32
10#define ENC_B 33
11
12volatile long pulseCount = 0;
13void handleEncoder() {
14 pulseCount += (digitalRead(ENC_B) > 0) ? 1 : -1;
15}
16
17void setup() {
18 Serial.begin(115200);
19 pinMode(IN1, OUTPUT); pinMode(IN2, OUTPUT); pinMode(ENA, OUTPUT);
20 pinMode(ENC_A, INPUT_PULLUP); pinMode(ENC_B, INPUT_PULLUP);
21 attachInterrupt(digitalPinToInterrupt(ENC_A), handleEncoder, RISING);
22}
23
24void loop() {
25 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
26 analogWrite(ENA, 200);
27
28 Serial.print("Encoder pulses: "); Serial.println(pulseCount);
29 delay(200);
30}
📄 File: dc_motor_ga25-370_12v_with_encoder_280_rpm_-_esp8266.inoESP8266
816 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DC motor GA25-370 12V with Encoder 280 RPM: drive via H-bridge (IN1=D5, IN2=D6, ENA=D7) + read its built-in quadrature encoder (A=D5, B=D6) on ESP8266.
6#define IN1 D5
7#define IN2 D6
8#define ENA D7
9#define ENC_A D5
10#define ENC_B D6
11
12volatile long pulseCount = 0;
13void handleEncoder() {
14 pulseCount += (digitalRead(ENC_B) > 0) ? 1 : -1;
15}
16
17void setup() {
18 Serial.begin(115200);
19 pinMode(IN1, OUTPUT); pinMode(IN2, OUTPUT); pinMode(ENA, OUTPUT);
20 pinMode(ENC_A, INPUT_PULLUP); pinMode(ENC_B, INPUT_PULLUP);
21 attachInterrupt(digitalPinToInterrupt(ENC_A), handleEncoder, RISING);
22}
23
24void loop() {
25 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
26 analogWrite(ENA, 200);
27
28 Serial.print("Encoder pulses: "); Serial.println(pulseCount);
29 delay(200);
30}
📄 File: dc_motor_ga25-370_12v_with_encoder_280_rpm_-_stm32.inoSTM32
824 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DC motor GA25-370 12V with Encoder 280 RPM: drive via H-bridge (IN1=PB0, IN2=PB1, ENA=PA8) + read its built-in quadrature encoder (A=PA0, B=PA1) on STM32.
6#define IN1 PB0
7#define IN2 PB1
8#define ENA PA8
9#define ENC_A PA0
10#define ENC_B PA1
11
12volatile long pulseCount = 0;
13void handleEncoder() {
14 pulseCount += (digitalRead(ENC_B) > 0) ? 1 : -1;
15}
16
17void setup() {
18 Serial.begin(115200);
19 pinMode(IN1, OUTPUT); pinMode(IN2, OUTPUT); pinMode(ENA, OUTPUT);
20 pinMode(ENC_A, INPUT_PULLUP); pinMode(ENC_B, INPUT_PULLUP);
21 attachInterrupt(digitalPinToInterrupt(ENC_A), handleEncoder, RISING);
22}
23
24void loop() {
25 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
26 analogWrite(ENA, 200);
27
28 Serial.print("Encoder pulses: "); Serial.println(pulseCount);
29 delay(200);
30}
📄 File: dc_motor_ga25-370_12v_with_encoder_280_rpm_-_raspberry_pi_pico.inoRaspberry Pi Pico
826 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// DC motor GA25-370 12V with Encoder 280 RPM: drive via H-bridge (IN1=14, IN2=15, ENA=16) + read its built-in quadrature encoder (A=20, B=21) on Raspberry Pi Pico.
6#define IN1 14
7#define IN2 15
8#define ENA 16
9#define ENC_A 20
10#define ENC_B 21
11
12volatile long pulseCount = 0;
13void handleEncoder() {
14 pulseCount += (digitalRead(ENC_B) > 0) ? 1 : -1;
15}
16
17void setup() {
18 Serial.begin(115200);
19 pinMode(IN1, OUTPUT); pinMode(IN2, OUTPUT); pinMode(ENA, OUTPUT);
20 pinMode(ENC_A, INPUT_PULLUP); pinMode(ENC_B, INPUT_PULLUP);
21 attachInterrupt(digitalPinToInterrupt(ENC_A), handleEncoder, RISING);
22}
23
24void loop() {
25 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
26 analogWrite(ENA, 200);
27
28 Serial.print("Encoder pulses: "); Serial.println(pulseCount);
29 delay(200);
30}
Bare DC motor - needs an H-bridge driver module (L298N/L293D/L9110S) wired between it and the microcontroller, shown here with its built-in encoder read alongside.
All copy right for ekostra.com

Specification

Specification

WeightWeight10 g
Dimensions5 × 4 × 2 cm
Motor TypeBrushed DC
Voltage12V DC
No-load Speed280 RPM
Gearbox TypeGA25 metal gearbox
Encoder TypeIncremental quadrature
Output Channels2 (A and B)
Motor Frame370
Gear MaterialMetal

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