R503 Round Fingerprint w/ 2-Color Ring LED 3.3V Water Mini Pump RS-360S These are passive or mixed-use

These are passive or mixed-use parts

5V but color will be dimmed)

The Triple Axis Accelerometer BMA220 is a motion sensor module with digital output designed for motion tracking

SD Card can be an easy way of storing and accessing non-volatile data

Can the entire module be submerged in water

R503 Round Fingerprint w/ 2-Color Ring LED 3.3V Water Mini Pump RS-360S These are passive or mixed-useMeasure Light and Optical Changes with a Compact Sensor The R503 New Circular Round Two Color Ring Indicator LED Control DC3. 3V MX1. 0 6pin Capacitive Fingerprint Module Sensor Scanner is a light sensor designed for light logging, auto brightness control, and optical sensing. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Category: optical light imaging photon sensors.