STEMMA QT 5V to 3V Shifter - 5V/3.3V voltage level converter

A module with a set of resistors and mechanical switches that allows you to adjust the resistance in the range from 0 to 999990 Ω. SparkFun KIT-13006

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

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

8-channel voltage level converter allowing for connection of systems operating with the voltage level of 1.8 V, 2.5 V, 3.3 V and 5 V. SparkFun BOB-19626

A small module with a voltage level converter that allows easy conversion of signals from 3.3V to 5V. It is compatible with a wide range of LED strips, such as NeoPixel. With easy, solderless installation, it supports up to two signal lines, ensuring smooth operation of LEDs at frequencies up to 10 MHz. Adafruit 6066

Bi-directional 8-channel logic level converter module (1.2-3.6V to 1.7-5.5V) based on TXS0108 chip.

The KAmod Level Shift x4 module is a logic level converter that enables the connection of electronic systems powered by different voltages, such as 5 V and 3.3 V. The module provides four bidirectional channels that can operate with digital signals ranging from 1.8 V to 5 V. It is an excellent choice for level conversion in I2C bus applications.

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

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

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

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

BOB-12009

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

The SN74LVC1T45DRLR from Texas Instruments is a single-channel, bidirectional voltage level translator, covering a range from 1.65 V to 5.5 V, ideal for signal conversion in microprocessor systems and mobile devices. With automatic detection of the transmission direction and a compact SMD SOT-5X3 package, the device is easy to implement and works well in limited mounting spaces.

8-bit Bidirectional Voltage Converter

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