Adapter with a voltage regulator 3.3V for NRF24L01

This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40V and efficiently reduces it to 5V with an available output current of around 15A. Typical efficiencies of 80% to 95% along with its high current capabilities make this regulator well suited for powering large loads. Pololu 2881

Powerbank module with a basket for two 18650 batteries. It can supply 3 V and 1 A or 5 V and 2 A

The Step-Down panel-mounted converter module enables precise regulation of input voltage (6V-70V) and output current (0-5A), with a maximum output power of 300W, conversion efficiency up to 95%, and short-circuit and anti-reverse connection protection. The device, with dimensions of 120mm x 64mm x 72mm, is equipped with continuous regulation functions, with a resolution of 0.01V for voltage and 0.001A for current, and operates in a temperature range of -10 to +75 degrees Celsius.

The Step-Down D24V6AHV Buck Voltage Regulator module with adjustable output voltage in the range of 4-25V with a wide input voltage range of 4.5-42V and a maximum output current of 600 mA. Pololu 2104

The MP2307 converter module is an ideal solution for efficient and stable power supply of devices, offering a wide range of adjustable output voltages and continuous current up to 3 A. Thanks to the soft start function, it ensures long-lasting and reliable operation, protecting the system against sudden voltage spikes when switching on

Step-Down XL4005 converter module with adjustable output voltage in the range from 0.8 to 30 V with a wide input voltage range from 4.5 to 30 V and a maximum output current of 5 A

This powerful step-up/step-down regulator efficiently produces an adjustable 4 V to 12 V output from input voltages between 3 V and 30 V while allowing a typical output current of up to 2 A when the input voltage is close to the output voltage and offering typical efficiencies of 80% to 90%.

Pololu 6V Step-Up Voltage Regulator U3V50F6

Pololu 24V Step-Up Voltage Regulator U3V50F24

The Step-Up Buck Voltage Regulator module with output voltage of 3.3V and input voltage range of 1-3V and a maximum output current of 200 mA. STMicroelectronics EVAL4971

The USB Step-Up converter module converts 3.5-12V input voltage to 4-24V output, offering different power values depending on the voltage level. Equipped with a 3-bit digital display, it has a compact size of 80 x 20 x 14mm.

Step-Up/Step-Down converter module based on the S13V30F5 system, input voltage from 2.8 to 22 V, output voltage 5 V. Current efficiency of the converter 4 A. Pololu 4082

The Step-Down D24V3F3 Buck Voltage Regulator module gives the output voltage of 3,3V with a wide input voltage range of 4.3-42V and a maximum output current of 300 mA. Pololu 2097

Step-Down converter with adjustable output voltage from 1.25 to 36 V, input voltage from 4 to 38 V and maximum current up to 5 A. Board equipped with a voltmeter with display

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

DC-DC Step-up converter module based on the U3V70F12 system. Input voltage 2.9-12V, output voltage 12V, maximum current 10A. Two mounting holes. Pololu 2895