Guides

Build a Temperature-Controlled Fan

A guide to building a fan that adjusts its speed based on temperature using a sensor and PWM control.

Build a Temperature-Controlled Fan

A guide to building a fan that adjusts its speed based on temperature using a sensor and PWM control.

Detecting Gas and Air Quality with the CCS811

A practical guide to using the CCS811 to estimate indoor air quality through eCO2 and volatile organic compound readings.

Detecting Gas and Air Quality with the CCS811

A practical guide to using the CCS811 to estimate indoor air quality through eCO2 and volatile organic compound readings.

A Simple Data Logger with the DS3231 and an SD ...

A step-by-step guide to logging sensor readings with accurate timestamps using a DS3231 real-time clock and an SD card.

A Simple Data Logger with the DS3231 and an SD ...

A step-by-step guide to logging sensor readings with accurate timestamps using a DS3231 real-time clock and an SD card.

How to Make an RFID Door Lock

A practical guide to building an RFID-controlled door lock that opens for authorised cards and tags.

How to Make an RFID Door Lock

A practical guide to building an RFID-controlled door lock that opens for authorised cards and tags.

A DIY Heart-Rate Monitor with the MAX30100

A beginner-friendly build for a pulse and heart-rate monitor using the MAX30100 optical sensor.

A DIY Heart-Rate Monitor with the MAX30100

A beginner-friendly build for a pulse and heart-rate monitor using the MAX30100 optical sensor.

How to Use the PN532 for NFC and RFID

A practical guide to using the PN532 module to read and write NFC and RFID tags for access control and interactive projects.

How to Use the PN532 for NFC and RFID

A practical guide to using the PN532 module to read and write NFC and RFID tags for access control and interactive projects.