Interface and Logic Level Converters

Quickly converts 3.3V to 5V logic signals for Arduino and other development boards, with 4 channels and optical isolation for protection. It operates with 5V power supply on VCC and GND, uses PNP common cathode connection, and at 3.3V input it gets 5V output, switching up to 10 kHz. Simple connection via screw terminals.

Quickly converts 3.3V logic signals to 12V for safe control of industrial loads, ideal with Arduino and other development boards. It has 4 channels, optoisolation for electrical separation, PNP input with common cathode and 12V output proportional to the logic level. It is powered by 12V on VCC and GND, screw terminal connections.

4-channel logic level converter, ideal for adapting 5V to 3.3V signals between Arduino and 3.3V. Offers optical isolation for increased protection and compatibility, quick screw terminal connection, PNP common cathode scheme and stable switching up to 10kHz, 3.3V power supply on VCC and GND.

It quickly converts 5V logic signals into 12V commands for relays, solenoid valves or industrial inputs, being compatible with Arduino and other development boards. It has 4 channels, optoisolation for electrical separation, PNP common cathode connection and screw terminals for secure wiring, switches up to 10 kHz and requires 12V power supply on VCC and GND.

8-channel bidirectional converter for fast interfacing between boards and sensors with different logic levels, automatically translates signals between 3.3V and 5V on I2C IIC or GPIO lines, operates without direction control, simple VCCA 3.3V, VCCB 5V and common GND connections, ideal for prototyping and stable integrations.

It allows safe communication between modules with different logic levels, ideal for I2C IIC buses in Arduino projects and other boards. It offers bidirectional conversion on 4 channels, operates between 3.3V and 5V, ensures fast adaptation between 5V and 3.3V, is compact and easy to integrate on breadboard or in industrial assemblies.

Converts 0-20mA or 4-20mA current signal into selectable 0-3.3V, 0-5V or 0-10V voltage, ideal for industrial sensors and integration with Arduino or STM. Offers stable transmission over long distances, high-precision sampling resistor with low drift, fine calibration via ZERO and SPAN potentiometers, wide 7-36V power supply and reverse polarity protection.

Converts 0-20mA current signal into a proportional voltage 0-5V, ideal for interfacing industrial sensors with ADC inputs or microcontrollers. Uses LM358 for stable conversion, operates at 10-30V, includes potentiometer for precise output calibration, operates between -25 and 85C.

4-channel module for optical signal isolation, ideal for Arduino and other boards, allows safe control of loads at higher voltages without exposing the microcontroller to spikes and interference. Works with 3-5V inputs, switches separately powered outputs up to 24VDC, uses Toshiba TLP281 optocoupler, galvanically separates INPUT from OUTPUT for protection and stability in projects with motors, relays or servomotors.

Logic level converter with PC817 optocoupler, ideal for isolated control of relays and digital inputs in Arduino or other boards, reducing the influence of electrical noise on the microcontroller. Offers 4 independent channels with status LED, accepts 3.3-24V input and 3.3-30V output, and the jumper on each channel allows the choice between common ground or complete isolation. Operating frequency up to 4kHz.

Distributes two 4-20mA analog signals to four devices, ideal for industrial automation where you need stable and interference-free replication. Offers galvanic isolation to eliminate ground loops, clear allocation of channels 1-2 and 3-4 on the two inputs, 0.1% FS accuracy and fast response under 10 ms, 24VDC power supply, 35 mm DIN rail mounting.