Fingerprint Module R301T desoldering pump this makes the color measurements

this makes the color measurements very close to the true color detected by human eyes

Connect the Red wire to positive and the green wire to negative

it has the capability to support 50 KG payload

but not master and master

Fingerprint Module R301T desoldering pump this makes the color measurementsR301T is an optical fingerprint verification module with TTL interface. It has a large storage capacity up to 3000 Image. It works in different conditions of the fingers, whether the fingers dry, wet, light texture, or old. It works in a variety of applications such as access control, safety deposit boxes. It has many functions such as Fingerprint Sensor, fingerprint verification, fingerprint upload and download. User can easily develop powerful