Spescification:4×5 Matrix Micro Switch Keypad with 8 LEDs61 x 51 x 12mm (l x w x h)20 Buttons16 Switch Matrix4 separate switches8 LEDS3.2 – 5V inputIncludes 4 standoffs and screwsMounting holes (55/45mm)Designed to be compatible with standard 2.54mm socketsPackage include:1 x 4×4 Matrix Array K..
Use this module to detect flame in large range( >120 degree). If you want you robot detect if there is any fire around, this module is just for you. It detects the fire with 5 flame sensors which are arranged with 30 degrees. This module outputs analog signal, which would be more precisely, and a..
1. It adopts Doppler radar technology, with auto-sensing capabilities to control other product.2. High sensitivity, sensor distance, reliability, wide angle sensor, wide supply voltage range and other characteristics.3. Widely used in lighting situations,anti-theft alarm situations.Features :1. Micr..
The 555 is a highly stable device for generating accurate time delays or oscillation. Additional terminals are provided for triggering or resetting if desired. In the time delay mode of operation, the time is precisely controlled by one external resistor and capacitor. For astable operation as an os..