Bio-Tech Addon Kit Tutorials and Projects

Enrolling Fingerprints Using Adafruit Fingerprint Sensor and evive

Learn how to use the Adafruit Fingerprint Sensor and evive TFT Screen to enroll fingerprints for secure identity identification. Follow the steps to enroll the input finger and add fingerprint verification to your project.

Enrolling Fingerprints Using Adafruit Fingerprint Sensor and evive

Match a Fingerprint Using the R307 Sensor with evive

Learn how to match a fingerprint using the all-in-one optical fingerprint sensor-scanner (R307) with evive. We’ll go through the process of capturing an image, converting it into an uint8 array matrix, and then match the image with the enrolled image.

Match a Fingerprint Using the R307 Sensor with evive

Using DS18B20 Digital Temperature Sensor with evive

Learn how to use the DS18B20 digital temperature sensor with evive to measure the temperature of places that are far away or in wet conditions.

Using DS18B20 Digital Temperature Sensor with evive

Learn how to use the DS18B20 digital temperature sensor with evive to measure the temperature of places that are far away or in wet conditions.

MQ2 Gas Sensor Tutorial: Measuring Gas Concentration with PictoBlox

Learn how to use the MQ2 gas sensor to measure the concentration of gases in the environment. This tutorial covers the four pins of the MQ2 gas sensor, equations to calculate resistance ratio and PPM, and how to use PictoBlox to detect gases in the environment.

MQ2 Gas Sensor Tutorial: Measuring Gas Concentration with PictoBlox

MQ3 Gas Sensor Tutorial: Measuring Gas Concentration with PictoBlox

Learn how to use the MQ3 gas sensor to measure the concentration of gases in the environment. Understand the sensor’s working principle, equations to calculate R0, and how to adjust its sensitivity. Follow our PictoBlox tutorial to write two programs to calculate R0 and the concentration of gas in ppm.

Bio-Tech Addon Kit - Tutorials and Projects