PN532 is a simple NFC RFID Arduino based module. This module is a little different from the other RFIC modules and devices because of its functionality. PN532 functions describe modern communication functions through an NFC chip. The single module comes with three communication methods, UART, SPI, and I2C. Most commonly the device interfaces with the … Read more
HM-10 Bluetooth Module is the cheapest Bluetooth with 4.0 technology. The module comes in multiple communication methods but the only thing that makes it different from others is its latest technology at the cheapest rates. The use of Bluetooth with 4.0 technology has been increasing recently due to its fast speed and much less power … Read more
NRF24L01 is one of the legal RF communicators for modern applications. NRF24L01 is the cheapest one and it comes with great features. A single module communicates at 2.4 GHz frequency which makes it legal. It can transmit and receive data by a single module. Transreceiving is not its only ability, it can communicate with a … Read more
HC-05 is the best Bluetooth device that uses a UART communication protocol. The HC-05 Bluetooth is much different in features from all other Bluetooth devices because of its multiple pins and their functions. It has multiple pins for the different method which makes it unique as compare to others. The module normally operates at UART … Read more
433MHz RF receiver module is the most common and cheapest RF receivers for commercial use. This module helps to receiver the 433MHz frequency commonly but it also has a node on it which is changeable by users for different frequencies. The variable node can adjust the frequency from 315MHz to 433MHz. The module can receive … Read more
The 433MHz RF Transmitter is one of the most popular and cost-effective RF modules used in wireless communication projects. It is simple to use, easy to implement, and widely available. This module serves as the first part of a 433MHz RF communication system, working alongside a compatible 433MHz RF receiver module to enable one-way data … Read more
TL074 is a JFET-input quad operational amplifier monolithic integrated circuit. This op-amp IC contains four OP-AMPs. It consists of high voltage junction field-effect transistors (JFETs) and Bi-polar junction transistors (BJTs). In addition, Input bias and bias currents are low. On the contrary, the slew rate is very high. TL074 is highly recommended for audio pre-amplification … Read more
TSOP1738 is an IR receiver with an amplifier that acts as a switch and converter within a circuit. It has one input and output which only acts on the base of the input IR signal. The basic purpose of TSOP1738 is to convert the IR signal to electric signals. Every IR receiver has a special … Read more
HT12E is an encoder IC for RF and IR modules mostly. It is a 12-bit decoder that uses 8-bits for address and 4 for data. RF and IR modules can interface with microcontrollers directly which requires a little bit complex programming. In addition, This encoder IC is easy to implement and simple to use. It … Read more
In this tutorial, we will discuss LM741 op-amp. LM741 is a general-purpose operational amplifier. Firstly, it has the capability of null- offset adjustment through two pins. Secondly, this op-amp considers as the most suitable option for voltage follower circuits. Because it has no latch-up. Thirdly, the common-mode input voltage range for LM741 is also very … Read more