Voltage Regulators & Converters

A passive RS-232 to RS-485 converter that extends serial communication distance up to 1.2km using balanced differential signalling. Self-powered fr...

This USB In-Line Voltage and Current Meter with OLED Display is a lot like the Charger Doctor we carry - if the doctor was a talented surgeon wh...

A waterproof DC-DC step-down (buck) converter that accepts 16–36V DC input and outputs a stable 9V at up to 5A (45W). The sealed, shockproof enclos...

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...

The LM317TG is a three-terminal adjustable positive voltage regulator with an output range of 1.2V to 37V and up to 1.5A output current. Only two e...

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

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 ...

The Adafruit CH9102F Friend is a USB-to-Serial converter breakout featuring the affordable WCH CH9102F chip and a modern USB Type-C connector. It u...

This compact DC-DC boost converter steps up input voltages from 2.5V to a selectable output of 5V, 8V, 9V, or 12V (default 12V) at over 80% convers...

This DFRobot 4-channel optocoupler-isolated level converter translates 12V signals down to 3.3V, making it easy to interface industrial sensors and...

The 2-Channel Level Converter translates 12V signals down to 3.3V using optocoupler isolation, making it easy to interface industrial sensors and P...

According to The Internet, 95% of electronic projects can be done with an op-amp or 555 timer chip. We're not so sure about it, but the 'triple nic...

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...

This active, isolated RS485 to UART signal transfer module comes with protection circuits such as power isolation and TVS.  Compatible with most ma...

This is a high grade DC Buck converter that inputs 6 to 12V and outputs 5V up to 3A or 15W. With good thermal performance and protection, this DC b...

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...

This little buck converter based on the MPM3610 is a marvel, taking up to 21V input and providing a 3.3V output with up to 1.2A current. It's great...

This is a DC to DC step-down module based on LM2596 3A Step-Down Voltage Regulator. The LM2596 series of regulators are monolithic integrated ci...

Many of the most interesting sensors and devices are only available in 3.3V or even lower voltage versions, which can be a problem if you want t...

The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. This little board breaks out...

This compact DC-DC buck-boost converter automatically steps voltage up or down to deliver a stable 3.3 V output from a wide 2.5–15 V input range. W...

This breakout board will solve all your current-monitoring problems. Instead of struggling with a multimeter, you can just use the handy INA169 chi...

The 5V/3.3V Breadboard Power Supply plugs directly into a standard breadboard and provides regulated 5V or 3.3V power to both rails. It accepts pow...

The D24V22Fx family of step-down voltage regulators generates lower output voltages from input voltages as high as 36 V. They are synchronous switc...