Voltage Regulators & Converters

This is a DC charging and discharging integrated module, with 5V normally open output, which is not affected by load access and has a maximum load ...

This DC-DC boost power supply module steps up any input voltage from 2.5V~VOUT to the output voltage of 5V/8V/9V/12V(default to 12V) at a conversio...

If you've got a computer or laptop with a USB C port, but you're itching to use one of our fancy new Trinkeys, this adapter will do an excellent jo...

This is an industrial-grade USB to RS485 module with a DC voltage output of up to 36V, which is applicable to industrial instruments that require a...

The Relay Shield v1.1 is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. The max switchi...

As technology changes and adapts, so does Adafruit, and speaking of adapting, this adapter has a Micro B USB jack and a USB C plug.USB C is the lat...

This breakout board may well be the last current sensing solution you every need to buy. Not only can it do the work of two multimeters, but it can...

This is the kind of seat-of-the-pants engineering genius that you only find in hackspaces, garden sheds or Shenzhen.It's not for the faint-of-heart...

Your power supply problems just got SOLVED! This little circuit board may look tiny but inside is a high efficiency DC/DC step-down converter which...

Overview The D24V50Fx family of step-down voltage regulators generates lower output voltages from input voltages as high as 38 V. They are switc...

How good is your multimeter really?  Or maybe your analog converter needs a good reference? Or lets say you want to test your microcontroller's con...

The USB 2.0 to RS422/RS485 Cable provides a simple and easy to connect between the USB and RS422/RS485 ports interface. Ideally for PC, thin cli...

If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level conve...

The ‘must have’ IC for 3V projects. This is the RS232 converter IC that is capable of running at 3V and communicating with 3V logic. Comes in an ea...

This is a breakout board for the Texas Instruments TXB0104 module. The TXB0104 is a 4-bit bidirectional voltage-level translator with automatic dir...

Multiplexer has a set of interfaces for a variety of multi-function adapter plates. It supports USB, TTL, RS232, RS485 interfaces between the sy...

Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that...

This is the basic L7812 voltage regulator, a three-terminal positive regulator with a 12V fixed output voltage. This fixed regulator provides a loc...

This converter uses MAX202-based level shifter for converting TTL (Transistor-Transistor Logic) -level serial to standard RS232 serial.RS232 is wid...

Industrial USB TO 4Ch RS485 Converter, Multi Protection Circuits, Multi Systems Support, Aluminium Alloy Case, Wall-Mount & Rail-Mount Suppo...

USB To UART/I2C/SPI/JTAG Converter, Supports Multiple Interfaces, Compatible with 3.3V and 5V, Multiple Protection Circuits, Multiple Systems...

What is a buck converter?A buck converter is a DC-to-DC converter that steps down the input voltage and steps up the output current. It does not wa...

The SparkFun 3.3V Buck Regulator Breakout features the AP3429A from Diodes Inc., a 2A step-down DC-DC converter with an input voltage range of 2.7V...

The SparkFun 5V Buck Regulator Breakout features the AP63357 from Diodes Inc., a 3.5A synchronous buck converter with a wide input voltage range of...