pigpio

Fast GPIO control for Raspberry Pi with PWM and interrupt handling.

DecliningOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Cooling

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is pigpio?

Pigpio is a library that provides fast GPIO control on the Raspberry Pi, including PWM, servo control, state change notifications, and interrupt handling. It's essential for developers working on hardware projects requiring precise timing and control.

Key differentiator

Pigpio stands out for its speed and precision in handling GPIO operations, making it ideal for real-time and performance-critical projects on the Raspberry Pi.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Fast GPIO control for Raspberry Pimedium

PWM and servo control capabilitiesmedium

State change notification supportmedium

Interrupt handling functionalitymedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Limited to Raspberry Pi hardwaremedium

pigpio is specifically designed for the Raspberry Pi and does not support other single-board computers or microcontrollers without significant modifications.

Frequent breaking changes between versionshigh

v0.1 to v0.2 migration required rewriting chain definitions, causing compatibility issues for existing projects.

Complex setup and configurationmedium

Requires manual installation of daemon services and dependencies, which can be error-prone and time-consuming.

Fit analysis

Who is it for?

✓ Best for

Raspberry Pi developers needing fast GPIO control for real-time applications

Projects requiring precise PWM signal generation, such as LED dimming or motor speed control

IoT projects that need to handle state changes and interrupts efficiently

✕ Not a fit for

Developers working on platforms other than Raspberry Pi

Projects where the hardware does not require GPIO control (e.g., pure software applications)

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Works well with

Next step

Get Started with pigpio

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →