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MPX5010 Pressure Sensor – Differential Pressure 0-10kPa
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MPX5010 Pressure Sensor – 0-10kPa Differential
The MPX5010 is a 0-10kPa differential pressure sensor providing an analog voltage output (0.2-4.7V) with 5V DC supply, widely used for air flow and liquid level measurement.
Key Specifications
| Operating Pressure Range | 0 to 10 kPa (Differential) |
|---|---|
| Supply Voltage | 4.75 to 5.25 V DC |
| Output Voltage | 0.2 to 4.7 V (analog, ratiometric) |
| Accuracy | ±2.5% Full Scale Span (typical) |
| Response Time | 1 ms (typical) |
| Pressure Port | Barbed, dual port |
| Operating Temperature | -40 to +125 °C |
| Dimensions | Approx. 30 x 20 x 15 mm (without pins) |
What You Can Build With This
- Arduino Air Pressure Meter: Interface with Arduino Uno to display real-time pressure on an LCD, great for learning analog sensor reading and calibration.
- ESP32 IoT Filter Monitor: Build a smart HVAC filter clog detector that sends pressure alerts to Blynk or MQTT when differential pressure rises.
- Raspberry Pi Weather Station: Log differential pressure data using Python and a simple script to analyse airflow trends in a greenhouse setup.
- CBSE Class 11 Practical: Measure pressure drop across a pipe using Bernoulli's principle; connect MPX5010 to a multimeter and record values at different flow rates.
- B.Tech / Smart India Hackathon: Design a low-cost neonatal ventilator airflow feedback system using MPX5010, Arduino, and a servo-controlled valve for safer breathing support.
Compatibility
| Platform | Compatible | Connection | Library / Method |
|---|---|---|---|
| Arduino Uno R3 | Yes | VCC→5V, GND→GND, Vout→A0 | analogRead() and convert |
| Arduino Nano | Yes | VCC→5V, GND→GND, Vout→A0 | analogRead() and convert |
| Arduino Mega 2560 | Yes | VCC→5V, GND→GND, Vout→A0 | analogRead() and convert |
| ESP8266 NodeMCU | Yes with condition | VCC→Vin (5V), Vout voltage divider to A0 (max 1V) | analogRead(A0) (voltage divider needed) |
| ESP32 Dev Board | Yes with condition | VCC→5V pin, Vout voltage divider to GPIO34 (max 3.3V) | analogReadMilliVolts() (voltage divider needed) |
| Raspberry Pi Pico | Yes with condition | VCC→VBUS (5V), Vout voltage divider to ADC0 (max 3.3V) | MicroPython ADC read (voltage divider needed) |
| Raspberry Pi 4 / 5 | No (external ADC required) | External MCP3008 ADC via SPI, Vout through voltage divider | Python spidev + MCP3008 library |
Wiring and Interface Notes
Connect VCC to a stable 5V supply and GND to ground; the Vout pin outputs a ratiometric analog voltage proportional to differential pressure. For 3.3V microcontrollers like ESP32 or Pico, use a voltage divider (e.g., 10kΩ + 20kΩ) to scale the maximum 4.7V down below 3.3V. Avoid exceeding the 10kPa rating to prevent mechanical damage to the sensor element.
Frequently Asked Questions
How do I convert the analog voltage reading into pressure in kPa?
Use the formula: Pressure (kPa) = (Vout - 0.2) × (10 / 4.5) where Vout is the measured voltage. For Arduino, compute voltage as (analogRead(A0) * 5.0) / 1024.
Can I use this sensor with liquids or non-air gases?
No, the MPX5010 is designed for dry, non-corrosive gases only. Exposure to moisture, liquids, or harsh chemicals will permanently damage the internal micro-machined pressure element.
What you can build with this
Lung Capacity Breath Meter Kit with Arduino Uno + Sensor
Peak Flow Meter Logger Kit with Arduino Nano + Sensor
Peak Flow Meter Logger Variant 20 Kit with Arduino Nano + Sensor
Soft Robot Pneumatic Actuator Kit with Arduino Uno + Sensor
Pneumatic Soft Actuator Test Rig
Pneumatic Soft Actuator Test Rig Variant 6
Micro-Hydro Power Monitor
Wind Instrument Breath Pressure Synth Kit with Arduino Uno
Wind Instrument Breath Pressure Synth Variant 19 Kit with Arduino Uno
Magnetohydrodynamic Flow Demo Kit with Arduino Uno + LED
Compressed Air Energy Storage Demo Kit with Arduino Mega + Sensor
Digital Kitchen Scale Kit
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items