I2C to Dual UART Module - I2C - 2x UART converter

The DC-DC Step-down Converter Module with the LM2596S chip allows you to convert the voltage from the range of 3-40 V to a regulated output voltage of 1.5-35 V with high efficiency up to 92%. The maximum output current is 3 A, and the operating frequency is 150 kHz. The compact design with dimensions of 43 × 21 × 14 mm, the possibility of precise voltage regulation and a pinout of 2.54 mm facilitate the integration of the module in DIY projects, power supply systems, modeling and laboratory stations. The operating temperature range is from -40 to 85°C

Pololu 5V Step-Up Voltage Regulator U3V50F5

The very small step-down 6 V, 2.5 A synchronous inverter can be supplied with voltage up to 36 V, dimensions: 17.8 mm x 17.8 mm. Pololu 2859

The Step-Up/Step-DownS7V8A Buck Voltage Regulator module with adjustable output voltage in range of 2.5-8V, input voltage range of 2.7-11.8V and a maximum output current of 0.5-1A. Pololu 2118

The compact (0.4″ × 0.5″) D24V5F5 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 5 V while allowing for a maximum output current of 500 mA. Pololu 2843

The trigger module is designed for chargers PD 2.0 and PD 3.0. It is equipped with a USB type C input and output on pads. Allows you to power devices with 5 V, 9 V, 12 V, 15 V and 20 V and test chargers by replacing the PD device

The protection circuit for one Li-Ion cell with a voltage of 3.2 V. It has the function of charging, discharging and over-discharge protection. The cells can be discharged with a continuous current of up to 12 A

Power multiplexer based on Texas Instruments TPS2113A. It enables smooth switching between two power sources from 2.8 V to 5.5 V. Pololu 2596

Safety system for two Li-Ion cells with 11.1V. The module has the function of charging cells with the balancer, discharging and the function of protecting the cells against discharge. Cells can be charged with continuous current up to 20A and discharged with current 40A. modBMS40A

The DC charging and discharging module provides a stable 5V output with a maximum load current of 2A, regardless of the connected device. Equipped with a charge level indicator, push-button control and battery protection, it is suitable for projects such as DIY power banks, driving recorder power supply or charging mobile devices. DFRobot DFR1026

DC-DC Step-Up converter U3V40F9 with an output voltage of 9 V, an input voltage of 1.3 to 9 V and a maximum output current of 4 A. Pololu 4015

DC-DC Step-Up converter U3V40F5 with an output voltage of 5 V, an input voltage of 1.3 to 5 V and a maximum output current of 4 A. Pololu 4012

A step-down converter that reduces the input voltage from 5.3V to 60V to a stable 5.3V with up to 95% efficiency and up to 6A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5572

Step-Up/Step-Down converter with an output voltage of 3.3 V, an input voltage of 2.5 to 15 V and a maximum current of 600 mA. DFRobot DFR0568

DC-DC Step-Down converter module. It has an input voltage from 7.5 to 45 V, an output voltage of 7.5 V and a maximum output current of up to 3 A. Pololu 4894

Modular power supply with a power of 3 W, input voltage from 100 to 240 V and output voltage of 3.3 V. Designed for mounting on a PCB. Hi-Link HLK-PM03