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USB TO UART TTL 5V 3.3V FT232RL USB To Serial Adapter for Arduino is a basic module for the FTDI FT232RL USB to serial IC, Revision 2. The pinout of this board matches the FTDI cable to work with Arduino boards. This board has the DTR pin which allows an auto reset the Arduino when a…
It’s a IIC/I2C Serial Interface Adapter Module The blue preset is to adjust the contrast of the LCD. The black jumper on the left is to enable the Backlight of LCD. The I2C device has a HEX address by which a microcontroller can communicate with it. This is set by the 3 bits A0,A1 ,A2…
The MT8870 DTMF Decoder Module is a small module based on the MT8870 DTMF decoder IC. A 3.5mm audio connector is provided for connecting an audio source to the module. The audio source’s DTMF signal is decoded, and the module’s digital outputs indicate which key was pressed. You can connect a phone to the module,…
The PCF8574 I/O Extension Board is used as a remote 8-bit I/O expander for I2C-bus. Up to 8x PCF8574, IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports. It has an I2C pin header on one side and an I2C connector on the other. As a result, connecting the board…
It’s a PL2303 USB to TTL Converter Module. This module is a Transistor Transistor Logic to Universal Serial Bus converter. This module may be used to configure any device that uses the UART protocol for communication. The module is based on Prolific Technology’s PL2303 bridge. It also contains a self-recovery fuse rated at roughly 500mA for safety. This…
This Refurbished SIM900A GSM Module is the smallest and cheapest module for GPRS/GSM communication. It is common with Arduino and microcontrollers in most embedded applications. The module offers GPRS/GSM technology for communication with the use of a mobile sim. It uses a 900 and 1800MHz frequency band and allows users to receive/send mobile calls and SMS. The keypad and display interface allows…
SC9270 DTMF Decoder Module is a multi-frequency decoder. After receiving the DTMF signal, it divides it into high-frequency and low-frequency groups and sends it to the digital decoder, which determines the key value and sends it to the outside bus via four lines (Q1, Q2, Q3, and Q4) as binary from the module. It is often…
The A7670 series is the LTE Cat 1 module which supports wireless communication modes of LTE-TDD/LTE-FDD/m GSM/GPRS/EDGE data transfer rates of up to 10Mbps. It has a strong extension capability and a variety of interfaces, such as UART, USB 2.0, GPIO, and so on. The module offers a high level of flexibility and ease of integration…
The SIMCOM SIM800A is a complete Dual-band GSM/GPRS SMT solution that can be embedded in customer applications. It supports Dual-band 900/1800MHz and can transmit voice, SMS, and data information while consuming little power. Its small size of 24*24*3mm allows it to fit into the slim and compact demands of customer design. It’s Bluetooth and Embedded AT…
The SIM800A Simcon GSM/GPRS Module with UART Interface. The SIM800A supports quad-band 850/900/1800/1900 MHz and can transmit voice, SMS, and data information while consuming little power. Using USB to Serial connector and SMA antenna connector are included. The LM317 voltage regulator on board can provide regulated 5V at up to 1A voltage to the board and…
SIM800C GSM GPRS Chip Module. It can transmit voice, SMS, and data over GSM. The SIM800C GSM/GPRS Module from SIMCOM is a popular module for adding GSM/GPRS/Bluetooth support to any electronic device. The module is very inexpensive and requires very few external components. It has applications in a variety of fields, including IoT, data monitoring,…
The SIM900A Simcom GSM/GPRS Module with USB (UART) Interface. The SIM900A supports quad-band 850/900/1800/1900 MHz and can transmit voice, SMS, and data information while consuming little power. Using USB to Serial connector and SMA antenna connector are included. The LM317 voltage regulator on board can provide regulated 5V at up to 1A voltage to the board…
