Adapter with a voltage regulator 3.3V for NRF24L01

The Step-Up / Step-Down S18V20F12 inverter module gives the output voltage of 12V with a wide input voltage range of 3 ... 30V and a maximum output current of 2A. Polol 2577

BMS module for three Li-Ion cells with a voltage of 11.1 V. It has the function of charging with a balancer, discharging and over-discharge protection. The cells can be charged with a continuous current of up to 12 A

The USB Step-Up converter module in the housing allows you to adjust the voltage in the range of 3.5-15V to 0.5-30V, with a maximum current of 2A and a power of 15W. The device is characterized by high precision, voltage resolution 0.01V, current resolution 0.001A, voltage accuracy 0.3% and current accuracy 0.5%, and can operate in temperatures from -40°C to 85°C.

DC-DC Step-up converter module based on the U3V70F5 system. Input voltage 2.9 ... 5V, output voltage 5V, maximum current 10A. Two mounting holes. Polol 2891

The Step-Up NCP1402 Buck Voltage Regulator module with output  voltage 3.3V, input voltage range of 0.8-3.3V and a maximum output current of 200 mA. Pololu 2114

The protection system for four Li-Ion cells with a voltage of 14.8 V. The module has the function of charging the cells, discharging and protecting against excessive discharge. The cells can be discharged with a continuous current of up to 18 A

Safety system for two Li-Ion cells with 7.4V. 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 5A. modBMS5A

The trigger module is designed for chargers PD 2.0 and PD 3.0. It is equipped with a USB type C input and an output on a 5.08 mm ARK screw connector. 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

A cable with a built-in converter that increases the voltage from the USB connector to 12 V. It is equipped with a DC Jack 2.1 x 5.5 mm plug

Pololu 5V Step-Up Voltage Regulator U1V10F5

A step-down converter module that allows you to reduce the input voltage from 4–36 V to a stable 3.3 V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600 mA allows you to power microcontrollers, IoT modules, and other electronic systems. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5592

DFR0379

Step-Down converter module with an input voltage of up to 5.5 V, an output voltage of 3.3 V and an output current of 1.2 A (2 A instantaneous current). Adafruit 4711

The Step-Up converter module converts the voltage in the range of 3-35V to 5-40V with a power of 40-60W and an efficiency of over 90%. Works stably at temperatures from -40 to 85°C.

The STEVAL-ISB043V1 is a Qi-based 2.5 W wireless power receiver evaluation board based on the STWLC33 and suitable for wearable applications. The STEVAL-ISB043V1 provides a complete kit, which includes the STWLC33 IC, firmware, layout and tools

Modular power supply with a power of 3 W, input voltage from 100 to 240 V and output voltage of 5 V. Designed for mounting on a PCB. Hi-Link HLK-PM01