The PCA9685 is a 16-channel I2C-bus controlled LED controller optimized for Red/Green/Blue/Amber (RGBA) color backlight. Each LED output has individual 12-bit resolution (4096 steps) PWM controller with a fixed frequency.
The BD242C is a 3A 100V PNP Bipolar Power Transistor designed for use in general purpose amplifier and switching applications. BD241C (NPN), BD242B (PNP) and BD242C (PNP) are complementary devices.
The MP1484 is a Mini DC-DC 3A Adjustable Buck module is ultra small adjustable 0.8V to 20V output DC to DC step-down Buck converter uses an MP1484EN high frequency switching regulator and integrated high voltage power MOSFET.
The HW-483 is DC5V 6mm 650nm Red Color Laser Diode Module For Arduino Very Easy To Use, Do controllable laser pointer, theft detection, etc. interesting application devices.
The HA17324A is a quad operational amplifier that provide high gain and internal phase compensation, with single power supply. 14 Pin DIP Package. It can be widely used to control equipment.
The 24L1025I/SN is a 128K x 8 (1024K bit) Serial Electrically Erasable PROM, capable of operation across a broad voltage range (1.8V to 5.5V). It has been developed for advanced, low-power applications such as communications or data acquisition.