Vacuum Negative Pressure Pump 3.7~12V 1L/min - Ekostra Electronics In Egypt اكوسترا الكترونيكس

Vacuum Negative Pressure Pump 3.7~12V 1L/min

  • 🌀 Vacuum / negative pressure DC pump for suction applications
  • ⚡ Wide input voltage: 3.7–12VDC
  • 🌬️ Flow rate up to 1L/min (max)
  • 🧩 Ideal for air sampling, suction, and small vacuum projects
  • 📦 Compact design—easy to mount in portable devices
  • 🛠️ Simple tubing connection and quick wiring
  • 🔁 Suitable for continuous operation in DIY systems
  • ✅ Works great with relays/MOSFET drivers for automation
SKU: AB1883 Categories: , Tags: ,

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Description

The Vacuum Negative Pressure Pump is a compact, lightweight device designed to generate suction for small-scale applications. Operating at 3.7 V and capable of delivering a flow rate of 1 L/min, it is ideal for projects requiring precise vacuum or negative pressure control. Its small form factor and low power consumption make it suitable for portable devices, laboratory experiments, and DIY or robotics applications.

Features:

  • Compact and lightweight design for easy integration

  • Low voltage operation at 3.7 V

  • Generates vacuum/negative pressure for small applications

  • Flow rate of approximately 1 L/min

  • Quiet and efficient operation

  • Suitable for continuous or intermittent use

Specifications:

  • Model: Vacuum Negative Pressure Pump

  • Operating Voltage: 3.7 V DC

  • Flow Rate: 1 L/min

  • Type: Miniature vacuum pump

  • Power: Low (exact wattage varies by model)

  • Noise Level: Low

  • Dimensions: 50 × 25 × 30 mm (approx.)

  • Weight: 40 g (approx.)

Applications:

  • Small suction or vacuum systems in hobbyist projects

  • Portable vacuum devices

  • DIY pneumatic or robotics systems requiring negative pressure

  • Laboratory experiments needing controlled airflow

  • Educational demonstrations of vacuum principles

🔌
Pin Connections
1 Table
Pin Connections Table 1
BoardSensor PinConnection
Motorto H-bridge OUTmotor leads into an H-bridge driver's output terminals
📟
Vacuum Negative Pressure Pump 3.7~12V 1L/min
7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico
Vacuum Negative Pressure Pump 3.7~12V 1L/min - Arduino Uno
Vacuum Negative Pressure Pump 3.7~12V 1L/min - Arduino Nano
Vacuum Negative Pressure Pump 3.7~12V 1L/min - Arduino Mega
Vacuum Negative Pressure Pump 3.7~12V 1L/min - ESP32
Vacuum Negative Pressure Pump 3.7~12V 1L/min - ESP8266
Vacuum Negative Pressure Pump 3.7~12V 1L/min - STM32
Vacuum Negative Pressure Pump 3.7~12V 1L/min - Raspberry Pi Pico
📄 File: vacuum_negative_pressure_pump_3.7~12v_1l/min_-_arduino_uno.inoArduino Uno
649 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// Vacuum Negative Pressure Pump 3.7~12V 1L/min needs an H-bridge driver (e.g. L298N/L293D/L9110S) between it and the board - a GPIO pin alone can't supply a motor's current. IN1=8, IN2=9, ENA(speed)=10 on Arduino Uno.
6#define IN1 8
7#define IN2 9
8#define ENA 10
9
10void setup() {
11 Serial.begin(115200);
12 pinMode(IN1, OUTPUT);
13 pinMode(IN2, OUTPUT);
14 pinMode(ENA, OUTPUT);
15}
16
17void loop() {
18 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
19 analogWrite(ENA, 200); // run forward at ~78% speed
20 delay(2000);
21 digitalWrite(IN1, LOW); digitalWrite(IN2, LOW); // stop
22 delay(1000);
23}
📄 File: vacuum_negative_pressure_pump_3.7~12v_1l/min_-_arduino_nano.inoArduino Nano
650 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// Vacuum Negative Pressure Pump 3.7~12V 1L/min needs an H-bridge driver (e.g. L298N/L293D/L9110S) between it and the board - a GPIO pin alone can't supply a motor's current. IN1=8, IN2=9, ENA(speed)=10 on Arduino Nano.
6#define IN1 8
7#define IN2 9
8#define ENA 10
9
10void setup() {
11 Serial.begin(115200);
12 pinMode(IN1, OUTPUT);
13 pinMode(IN2, OUTPUT);
14 pinMode(ENA, OUTPUT);
15}
16
17void loop() {
18 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
19 analogWrite(ENA, 200); // run forward at ~78% speed
20 delay(2000);
21 digitalWrite(IN1, LOW); digitalWrite(IN2, LOW); // stop
22 delay(1000);
23}
📄 File: vacuum_negative_pressure_pump_3.7~12v_1l/min_-_arduino_mega.inoArduino Mega
650 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// Vacuum Negative Pressure Pump 3.7~12V 1L/min needs an H-bridge driver (e.g. L298N/L293D/L9110S) between it and the board - a GPIO pin alone can't supply a motor's current. IN1=8, IN2=9, ENA(speed)=10 on Arduino Mega.
6#define IN1 8
7#define IN2 9
8#define ENA 10
9
10void setup() {
11 Serial.begin(115200);
12 pinMode(IN1, OUTPUT);
13 pinMode(IN2, OUTPUT);
14 pinMode(ENA, OUTPUT);
15}
16
17void loop() {
18 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
19 analogWrite(ENA, 200); // run forward at ~78% speed
20 delay(2000);
21 digitalWrite(IN1, LOW); digitalWrite(IN2, LOW); // stop
22 delay(1000);
23}
📄 File: vacuum_negative_pressure_pump_3.7~12v_1l/min_-_esp32.inoESP32
647 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// Vacuum Negative Pressure Pump 3.7~12V 1L/min needs an H-bridge driver (e.g. L298N/L293D/L9110S) between it and the board - a GPIO pin alone can't supply a motor's current. IN1=26, IN2=27, ENA(speed)=25 on ESP32.
6#define IN1 26
7#define IN2 27
8#define ENA 25
9
10void setup() {
11 Serial.begin(115200);
12 pinMode(IN1, OUTPUT);
13 pinMode(IN2, OUTPUT);
14 pinMode(ENA, OUTPUT);
15}
16
17void loop() {
18 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
19 analogWrite(ENA, 200); // run forward at ~78% speed
20 delay(2000);
21 digitalWrite(IN1, LOW); digitalWrite(IN2, LOW); // stop
22 delay(1000);
23}
📄 File: vacuum_negative_pressure_pump_3.7~12v_1l/min_-_esp8266.inoESP8266
649 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// Vacuum Negative Pressure Pump 3.7~12V 1L/min needs an H-bridge driver (e.g. L298N/L293D/L9110S) between it and the board - a GPIO pin alone can't supply a motor's current. IN1=D5, IN2=D6, ENA(speed)=D7 on ESP8266.
6#define IN1 D5
7#define IN2 D6
8#define ENA D7
9
10void setup() {
11 Serial.begin(115200);
12 pinMode(IN1, OUTPUT);
13 pinMode(IN2, OUTPUT);
14 pinMode(ENA, OUTPUT);
15}
16
17void loop() {
18 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
19 analogWrite(ENA, 200); // run forward at ~78% speed
20 delay(2000);
21 digitalWrite(IN1, LOW); digitalWrite(IN2, LOW); // stop
22 delay(1000);
23}
📄 File: vacuum_negative_pressure_pump_3.7~12v_1l/min_-_stm32.inoSTM32
653 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// Vacuum Negative Pressure Pump 3.7~12V 1L/min needs an H-bridge driver (e.g. L298N/L293D/L9110S) between it and the board - a GPIO pin alone can't supply a motor's current. IN1=PB0, IN2=PB1, ENA(speed)=PA8 on STM32.
6#define IN1 PB0
7#define IN2 PB1
8#define ENA PA8
9
10void setup() {
11 Serial.begin(115200);
12 pinMode(IN1, OUTPUT);
13 pinMode(IN2, OUTPUT);
14 pinMode(ENA, OUTPUT);
15}
16
17void loop() {
18 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
19 analogWrite(ENA, 200); // run forward at ~78% speed
20 delay(2000);
21 digitalWrite(IN1, LOW); digitalWrite(IN2, LOW); // stop
22 delay(1000);
23}
📄 File: vacuum_negative_pressure_pump_3.7~12v_1l/min_-_raspberry_pi_pico.inoRaspberry Pi Pico
659 characters
1//ekostra.com
2//electronics store in egypt
3//+201008896258
4
5// Vacuum Negative Pressure Pump 3.7~12V 1L/min needs an H-bridge driver (e.g. L298N/L293D/L9110S) between it and the board - a GPIO pin alone can't supply a motor's current. IN1=14, IN2=15, ENA(speed)=16 on Raspberry Pi Pico.
6#define IN1 14
7#define IN2 15
8#define ENA 16
9
10void setup() {
11 Serial.begin(115200);
12 pinMode(IN1, OUTPUT);
13 pinMode(IN2, OUTPUT);
14 pinMode(ENA, OUTPUT);
15}
16
17void loop() {
18 digitalWrite(IN1, HIGH); digitalWrite(IN2, LOW);
19 analogWrite(ENA, 200); // run forward at ~78% speed
20 delay(2000);
21 digitalWrite(IN1, LOW); digitalWrite(IN2, LOW); // stop
22 delay(1000);
23}
Bare DC motor - needs an H-bridge driver module (L298N/L293D/L9110S) wired between it and the microcontroller.
All copy right for ekostra.com

Specification

Specification

WeightWeight40 g
Dimensions5 × 2,5 × 3 cm
NameVacuum Negative Pressure Pump
Operating Voltage3.7 V DC
Flow Rate1 L/min
TypeMiniature vacuum pump
PowerLow
Noise LevelLow
ApplicationSmall vacuum systems, portable devices, robotics, DIY projects, educational experiments

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