![]() ![]() Base (B): This pin is used to control the flow of current between the collector and emitter.It is typically the largest or middle pin of the transistor and is connected to the load in the circuit. Collector (C): This pin is used to collect the flow of current.The module can be easily configured and controlled with AT commands and supports baud rate adjustment from 9600 to 115200 bps. The Bluetooth HC-06 module only supports slave mode and implements the classic Bluetooth SPP (Serial Port Profile), which provides a simple serial communication channel between two devices. Once a connection is established, the module operates as a slave device and communicates with the host device over the Bluetooth link. When the module is powered on, it goes into discovery mode and waits for a Bluetooth connection from a host device. The host device sends AT commands to the module to configure and control its operation, and the module sends and receives data over the Bluetooth connection. The microcontroller handles the communication between the module and the host device (such as an Arduino) using a simple serial interface. The module contains a Bluetooth radio transceiver and a microcontroller that implements the Bluetooth protocol stack. The Bluetooth HC-06 Wireless Transceiver Serial Module is based on Bluetooth technology, which is a wireless communication standard that allows devices to communicate with each other over short distances. The 2N2222 is a versatile and low-cost transistor that is widely used in a variety of applications, including digital circuits, power control circuits, and analog circuits. The 2N2222 can also be used as an amplifier by applying a small input signal to the base of the transistor and amplifying it to produce a larger output signal at the collector. When a small current is applied to the base of the transistor, it controls the flow of a larger current between the collector and emitter, allowing the transistor to act as a switch. The 2N2222 is used to control the flow of current in a circuit by acting as a switch. It is an NPN (negative-positive-negative) type of transistor, which means that it consists of three layers of semiconductor material with different doping types. The 2N2222 is a commonly used bipolar junction transistor (BJT) that can be used as a switch or an amplifier. Switching Speed: The 2N2222 has a relatively fast switching speed, which makes it suitable for high-frequency switching applications.Frequency Response: The 2N2222 has a relatively low maximum frequency of operation, typically in the range of 100 MHz to 300 MHz, making it suitable for low-frequency amplification and switching applications.The gain of the 2N2222 is typically in the range of 100 to 300, which makes it a good choice for a wide range of amplification applications. Gain: The gain of a transistor, also known as the hFE, is a measure of the transistor's ability to amplify a signal.These ratings determine the maximum safe operating conditions for the transistor. Voltage and Current Ratings: The 2N2222 has a maximum collector-emitter voltage rating of 40V and a maximum collector current rating of 800mA. ![]() Type: The 2N2222 is an NPN (negative-positive-negative) type of transistor, meaning it has a layer of p-type semiconductor material sandwiched between two layers of n-type semiconductor material.It is an NPN (negative-positive-negative) type of transistor, The 2N2222 can be used as an amplifier and a switch.
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