The 2SA-1266, 2SA1266-Y is 50V 150mA 400mW PNP Bipolar Transistor, manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor.
The ESP32-S is a wireless module based on ESP32, supports Wi-Fi and Bluetooth 4.2, with built-in 32Mbit Flash, in the SMD38 package. There are also on board PCB antenna and metal shield.
The Toshibas 2SK3116B, 2SK-3116, K3116, 3116 is a Transistor MOSFET N-Channel Silicon 600V 7.5A 3-Pins (3+tab) TO-220 In The FET Transistors, MOSFETs Category. Check Part Details, Parametric And Specifications.
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 TCS34725 is a RGB and Clear light sensing elements IR blocking filter integrated on-chip and localized to the color sensing photodiodes minimizes the IR spectral component of the incoming light allows color measurements to be made accurately.