Level Shifter - 8-channel voltage level converter

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

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

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.

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

4-channel converter of voltage levels 3.3V/5V that allows you to connect systems operating at a lower voltage to those powered by a higher voltage

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

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

Module with a voltage level converter 3.3 V - 5 V intended for use in the Qwiic system. It has a built-in Step Up converter providing power supply with a voltage of 5 V and a current of up to 100 mA. SparkFun SPX-17238

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

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

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

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

Module with a voltage divider. Equipped with a Grove connector, it allows the input voltage to be reduced by 3 or 10 times. Seeed Studio 104020000

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

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