The TB6612FNG is a motor driver red color module, it can control up to two DC motors at a constant current of 1.2A (3.2A peak). Two input signals (IN1 and IN2) can be used to control the motor in one of four function modes.
The IRFI740G is an N-Channel MOSFET from International Rectifier. It has maximum VDSS rated at 10V and can handle continuous drain current up to 5.4A at 150C. The IRFI740G is a 400V 5.4A 40W TO220F Plastic Package 3Pins Power MOSFET.
BC327 is a general purpose PNP Transistor, the base of which needs to be connected to the ground, to turn on the transistor. This transistor is available in various versions and is manufactured by many different
The ESP-01 Breakout Adapter for ESP8266 serial to Wi-Fi transceiver module. Since the ESP-01 pinout is not breadboard friendly and unlabeled, this makes it inconvenient for rapid prototyping.
The 2SD2196 200V 15A 65W NPN Darlington Transistors TO-3P Plastic Package. This is a Through Hole Maximum Operating Temperature: + 150C Continuous Collector Current: 15A DC Collector/Base Gain hfe Min: 1500 Height: 13.5 mm Length 15 mm.