Voltage Level Translator, SN74LVC1T45DRLR

8-channel voltage level converter module with an input voltage of 12 V and an output voltage of 3.3 V. Unidirectional, based on resistor dividers. Numato Lab NLVD00008

Module designed to filter electrical signals. It uses an LC filter, which consists of a coil and a capacitor, to eliminate noise and unwanted components from the electrical signal. It can filter signals with voltages up to 30 V and currents up to 3 A

Analog voltage divider module. It enables a 5-times reduction of the input voltage. DFRobot DFR0051

This tiny logic level shifter features four bi-directional channels, allowing for safe and easy communication between devices operating at different logic levels. Pololu - 2595

8-bit voltage level converter with TXB0108 integrated circuit. It acts as a bridge between applications with different source voltages and input and output voltage levels. SB Components 21772

BOB-11771 Voltage-Level Translator - TXB0104 Breakout

Module with a 4-bit bi-directional voltage level converter. It allows you to connect digital interfaces with different operating voltages. KAmodNTS0104PW

8-channel Bi-directional Logic Level Converter - TXB0108, RoHS

Module with a bidirectional converter for the I2C bus, based on the PCA9306 system. It allows you to connect two I2C modules operating with different voltage levels. SparkFun BOB-15439

3V/5V voltage level converter module with built-in Step-Up converter. Allows development boards operating at 3V to be connected to a device requiring a higher operating voltage of 5V for I2C communication. Adafruit 5649

8-bit Bidirectional Voltage Converter

The module with the four-bit logic translator TXB0104, can work in both directions. Connections using standard goldpin connectors with 2.54 mm pitch. It is compatible with BOB-11771

BOB-12009

A module enabling the conversion of input voltage in the range from 1.8 V to 5.3 V into the appropriate negative output voltage. It offers high efficiency in excess of 80%, making it ideal for applications where a lower power negative supply is required, such as biasing sensors or op-amp circuits. Pololu 2839

4-channel converter of logic levels allowing for connection of systems operating with voltage levels of 1.8 V, 2.5 V, 3.3 V and 5 V. DFRobot DFR0843

Voltage-to-current converter module designed for devices with a current signal input. It allows you to linearly convert voltage signals from 0 to 5 V into current signals from 0 to 20 mA