Decade Resistance Box - a module for regulating the resistance

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

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

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

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

Bi-directional 8-channel logic level converter module (1.2-3.6V to 1.7-5.5V) based on TXB0108 chip.

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

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

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

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

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

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

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

Module with a voltage level converter from 5 V to 3.3 V, intended for use in the STEMMA QT/Qwiic system. It has a built-in voltage stabilizer providing 3.3 V power supply with a current of up to 500 mA. Adafruit 5637

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-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