Products

This module provides a solution for converting  RS232  signaling to  RS485  signaling. This allows long-distance communication since the range supported by RS232 is normally less than  50 feet  while RS485’s range can exceed  1000 feet. The design features an RS232 transceiver, an RS485 transceiver, a multivibrator, and a digital isolator with integrated power to implement bidirectional half-duplex communication without any software interference. The board has been tested for up to  800 feet  in length with a two-wire twisted pair cable. Up to  115200 baud  rate communication between two PCs via serial port has been successful. The design features the industrial standard IEC 61000-4-2 and 61000-4-4 protection with 5000 Vrms isolation protection.

C121

This is a low-noise,  32-bit,  38-kSPS,  10-channel (multiplexed),  delta-sigma  (ΔΣ) analog-to-digital converter (ADC) module. The project consists of  highly integrated  ADS1263  and includes a programmable gain amplifier (PGA), a 2.5-V low-drift voltage reference, an internal oscillator, dual-sensor excitation current sources (IDAC), several system-monitoring features, and an auxiliary 24-bit ΔΣ ADC. The integrated features and excellent performance of the  ADS1262  enable precision measurement of strain gauges, weight scales, pressure sensors, thermocouples, thermistors, and resistance temperature detectors (RTDs).

C108

Module is an  isolated RS-485 transceiver that features up to  ±42 V of ac/dc peak bus overvoltage fault protection on the RS-485 bus pins. The project is based on the  ADM2795E chip. The device integrates Analog Devices, Inc., iCoupler® technology to combine a 3-channel isolator, RS-485 transceiver, and IEC electromagnetic compatibility (EMC) transient protection in a single package. The ADM2795E is an RS-485/RS-422 transceiver that integrates IEC 61000-4-5 Level 4 surge protection, allowing up to ±4 kV protection on the RS-485 bus pins (A and B). The device has IEC 61000-4-4 Level 4 EFT protection of up to ±2 kV and IEC 61000-4-2 Level 4 ESD protection on the bus pins, allowing this device to withstand up to ±15 kV on the transceiver interface pins without latching up. This device has an extended common-mode input range of ±25 V to improve data communication reliability in noisy environments. Supports a data rate  2.5Mbps.  The board operates with 5V DC, isolated DC-DC converter U1 helps to power the VDD2 supply. D1 is Power LED  

C109  

This simple, compact solution is ideal for isolated SPI data requiring communication across different ground potentials often found in Industrial PLCs (programmable logic controllers) and Instrumentation and data acquisition systems. Serial Peripheral Interface (SPI) is a protocol that is commonly used for communication between microcontrollers and peripheral ICs such as sensors, ADCs, DACs, and others.  The project is based on an  ISOW7741 quad-channel digital isolator with an integrated DC-DC converter. For many industrial control applications, the communications pathway between the microcontroller and the I/O module devices must be isolated. Isolation helps to minimize noise and ground loop issues and also protects expensive control units (MCUs or FPGAs) and equipment operators. This module is the solution to all these problems and the inbuilt DC-DC converter is a great advantage that powers the output side of the circuitry and thus the project can work with a single supply. The DC-DC converter output can be used to power the peripherals device maximum load up to  100mA with  5V_DC input.

C110
 

This module provides 16-bit, general-purpose parallel I/O expansion for I2C or SPI bus applications. The  MCP23017 chip supports the I2C interface and the  MCP23S17 chip is used for the SPI interface. The board can be populated with either SPI or I2C chip. Follow the connection diagrams for interface details.

C111
 

This  is a high-frequency differential line receiver amplifier that has excellent common-mode rejection at its inputs. The project is an ideal solution for a receiver of a digital signal or video signals that are transmitted over long distances on twisted-pair cables like  CAT5. Category 5 cables are very common in office settings and are extensively used for data transmission. These cables can also be used for the digital signal or analog transmission of signals such as video. These long cables pick up noise from the environment they pass through. This noise does not favor one conductor over another and therefore is a  common-mode signal. A receiver that rejects the common-mode signal on the cable can greatly enhance the  signal-to-noise  ratio performance of the link. This project is tested with  100Hz to 1Mhz square wave signal, however, it can support higher frequency.

B121

This is a  low-cost solution to transmit a video or digital signal up to 300 Meters over a twisted pair cable. The project has been designed using the  AD8131  chip which is a differential driver for the transmission of high-speed signals over low-cost twisted pair or coaxes cables. The project can be used for either analog or digital video signals or for other high-speed data transmissions. It is capable of driving either  Cat3  or  Cat5  twisted pair or coax with minimal line attenuation. The AD8131 has on-chip resistors that provide for a gain of 2 without any external parts. Several on-chip resistors are trimmed to ensure that the gain is accurate, the common-mode rejection is good, and the output is well balanced. This makes the AD8131 very suitable as a single-ended-to-differential twisted-pair line driver.  The board works with  +/-5V DC  (Dual 5V) supply, RCA connector J1 to feed single-ended Video or digital signal, connector CN2 is used to connect the twisted pair cable (CAT5), D1 Power LED, Resistor R7 and R8 terminate the line at transmitting side.

B122

The module described here is an isolated CAN Transceiver module. This module can be used as a standalone module or as an Arduino Uno shield. A controller area network is a two-wire high-speed serial network typically used to provide data communication between host and nodes. The high-speed controller area network transceivers offer integrated isolation, high ESD and high fault protection. The project built using  ISO1042  IC from Texas Instruments. The project requires 5V supply from the host side (Arduino) and separates 5V from the node side for isolation. The project supports up to 5Mbps data rate in CAN FD mode allowing much faster transfer of payload compared to classic CAN. D1 Power LED, CN1 Can bus communication, CN3 RJ45 CAN Communication.

C112

The project presented here is a high-speed, low-power 4-channel digital galvanic isolator. This innovative solution enables the transfer of digital signals between circuits with different power domains, achieving an impressive power consumption of as little as  0.74mW  per channel at a data rate of  1 Mbps,  while operating on a  1.8V  supply. At the heart of this project is the  MAX22445FAWE  chip, which features reinforced isolation, allowing it to withstand a voltage rating of  5KV-RMS  for  60 seconds.  This robust design ensures reliable and secure signal transmission.

D101

This is an    Isolated Potentiometer Module  that integrates a    LOC110  linear optocoupler, an isolated DC-DC converter, an onboard 10K linear potentiometer, 2 x tactile switches, 2 x PC817 optocouplers, and supporting circuitry. It is designed for reliable use in    VFD drives, process control, PLCs, automation systems, and other industrial applications  where isolated analog signals and isolated switch inputs are required.  

D102  

Transmitter

This module enables users to establish a versatile fiber-optic link for applications requiring a low-cost/high immunity solution. It transmits TTL source data over a fiber-optic connection, supporting transmission distances of up to  19 meters with standard fiber-optic cable  and up to  53 meters with enhanced cable.

Receiver 

This module enables users to create a versatile fiber-optic link for applications requiring a low-cost solution. This  receiver module  receives data through a fiber-optic link and outputs standard TTL-level signals. It supports transmission distances of up to  19 meters with standard fiber-optic cable  and up to  53 meters with enhanced cable.

D103

This is a 4-channel optocoupler module features 4x PC817 optocouplers and an onboard DC-DC converter. It provides reliable electrical isolation between the processor and the high-voltage side. The high-voltage side can be configured as either pull-up or pull-down, while the low-voltage side supports both common-cathode and common-anode configurations. Configuration is selectable via onboard resistors. The integrated 5 V DC-DC converter supplies power to the low-voltage side.

D104