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Voltage Regulator Modules

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MOT-PCA9685-A I2C PCA9685 16-Channel PWM / 12 – bit Servo Driver
CA$13.77
This module allows users to connect to Raspberry pi or Arduino to control multiple motors using i2c protocol. You can also drive LEDs with the module and supply external voltage and current. You can drive up to 16 PWM outputs using four wires from your microcontroller. You can buy a bunch and have up to 6 address to select resulting in 62 modules with a total of 992 outputs.
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DFR0508 FireBeetle Covers - DC Motor & Stepper Driver
CA$28.85
DFRobot FireBeetle series are low power consumption microcontrollers designed for Internet of Things (IoT) development. FireBeetle Covers-DC Motor & Stepper Driver is a DC motor & Stepper Motor driver designed for FireBeetle Microcontrollers. It can control up to four-channels DC motors / two-phase four-wire stepper motors simultaneously. The motor driver cover integrates a STM8 as its coprocessor, controlling the motor speed and direction. It communicates with Microcontroller via IIC port, supports up 1000Hz refresh rate. The assisted processor STM8 controls motors and set the main control free. It effectively reduces the dependence on MCU pin resources and MCU occupancy. Independant motor control make the multi-motors projects more affordable. Cooperate with DFRobot Arduino Motor Library, it will reduce your development difficulty.
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AC to DC 5v Voltage Regulator Module 7805
CA$7.62
The famous 7805 5 Volt DC regulator circuit is a great introduction to electronics. Now in a preassembled board you can use this mini device to convert AC voltage into DC regulated 5v output. Depending on the amperage of the transformer selected, you have a 5v power supply unit. There is a terminal block connector available on the other side.
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PSM-330 5A DC-DC Step Down Voltage Converter with Volt and Ammeter
CA$15.31
Often referred as a BUCK converter this little unit is smaller than a AA battery in terms of length. What is great about this device is it can step down 38v to 1.25v with a amperage of 5. If you decide you want an output of more than 50 Watts please consider adding a heatsink. This Step Down Converter also comes with a nice LCD screen for reading the measurement of Current and Voltage.
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PSM-315 DC-DC Step Down Converter w/Voltage Display. LM317T
CA$15.31
This handy DC-DC step down converter module can supply an output up to 1.5A at 1.2 to 37 VDC. Input supply range is from 4.2 to 40 VDC as well as 0-20 VAC. Output voltage is adjustable by a single turn potentiometer w/knob. Output voltage is displayed on a 3 digit display.
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PSM-325 DC-DC 5A Step Down Converter w/USB Charging Output and Acrylic Mounting Frame Kit
CA$15.31
This versatile DC-DC 5A step down converter can supply an output of 1.25 to 32 VDC from an input of 5 to 36 VDC. Output voltage and current are adjustable with precision 25 turn potentiometers. Output voltage and current can be displayed on the 4 digit display. Includes USB connector for 5 volt charging applications. Can be used as a precision battery charger with voltage and current limiting control.
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PSM-320 DC-DC Step Down Converter 4.2 to 40 VDC, LM317T
CA$4.60
This super compact DC-DC step down converter can supply an output up to 1.5A at 1.2 to 37 VDC. Input supply range is from 4.2 to 40 VDC. Output voltage is adjustable by 25 turn potentiometer.
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PSM-310 9-35VDC to 5V 5A 25 Watt DC-DC Stepdown Converter
CA$10.82
This module will take 9 to 35 DC voltage and step down to a constant 5vdc output. The unit can handle up to 5Amps, this does not mean the device will constantly output 5amps. Should you go over 3 amps at the input, we would strongly suggest to add additional cooling fans or heatsinks. Insert VCC in IN+, GND into GND and for the output VOUT goes into OUT and GND is shared with the input ground.
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PSM-305 DC-DC 7V-28V to 5V 3A Fixed Step Down Converter Module
CA$4.60
Need to supply your circuit/project with 5VDC but all you have at your disposal is a source between 7V-28VDC? This module without a doubt will help you do just that. This module allows anyone to input up to two stable DC voltage signals in the range of 7VDC -28VDC to in turn output up to two 5VDC signals. No matter the input, the output will always be fixed to 5V as long as the input stays in the specified range. The maximum outputted current can be as high as 2.5A prompting a heat sink requirement.
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PSM-300 Mini DC-DC 4.5-24V to 1.8-17V 3A Adjustable/Fixable Step Down Converter Module
CA$3.45

This module is great for projects that need to regulate different voltage levels. Input any DC voltage signal and configure the board to output stepped down voltage that suits your project’s needs. The input voltage ranges from 4.5 to 24VDC while the output ranges from 1.8 to 17VDC. The maximum current this module can output is capped at 3A with some additional heatsink required. What makes this board stand out is its ability to give its user the option to either adjust the output voltage using the potentiometer or to fix the output to a desired voltage by cutting the trace on the backside of the board to the potentiometer and soldering the pad representing a fixed voltage you desire. (see image for example) The fixed voltage options are: 12V, 9V, 5V, 3.3V, 2.5V and 1.8V.

Delivery within 2-3 weeks
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2836-POLOLU 5V Step-Up/Step-Down Voltage Regulator S9V11F5
CA$32.86
The S9V11F5 switching step-up/step-down regulator efficiently produces 5 V from input voltages between 2 V and 16 V. (Note: it requires an input voltage of at least 3 V to start, but it can operate down to 2 V after startup.) Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below 5 V. The very compact (0.3″ × 0.45″) module has a typical efficiency of over 90% and can supply a typical output current of up to 1.5 A when the input voltage is around 5 V.
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5V, 2.5A Step-Down Voltage Regulator D24V25F5
CA$57.75
This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.7″, but it allows a typical continuous output current of up to 2.5 A. Typical efficiencies of 85% to 95% make this regulator well suited for powering moderate loads like sensors or small motors. High efficiencies are maintained at light loads by dynamically changing the switching frequency, and an optional shutdown pin enables a low-power state with a current draw of a few hundred microamps.
Delivery within 2-3 weeks
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PSM-285 Mini DC-DC Car Charging Step Down 5V Power Module
CA$3.84
This tiny little circuit was specifically designed for automobile power regulation. If properly used, this product reduces the danger out of working with car electronics and lets you create useful gadgets. Simply solder the positive and negative leads to the board and connect to the output to your mobile phone, tablet, mp3 player, GPS, camera, etc.
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PSM-268 4000W AC Voltage Regulator
CA$12.03
This heavy duty 4KW AC Voltage regulator can be used for dimming lamps, varying speeds on small AC motors, adjusting wattage on electric heaters, water heaters, etc. The module is completely assembled with a terminal block for easy wire connections.
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PSM-275 Step Down Module to 5VDC USB Output
CA$3.84
This device offers a quick and easy way to connect USB gadgets. This module comes in handy for use in mobile phones and connecting electronics in the car. The circuit is fully protected and very efficient.
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12-24VDC 6Amp 13KHz PWM Regulator Controller
CA$19.62
This device can be connected to any device that operates from 12-24VDC. Great for testing DC motors that operate at higher amperage. Simply connect the red line to the motor and positive battery terminal. Connect the blue line to the motor negative and the black line to the battery negative to power and begin modulation of the signal. The unit can be mounted on any surface you like as it comes with two holes for mounting.
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PSM-272 10000W AC Voltage Regulator
CA$29.62
This heavy duty 10KW AC Voltage regulator can be used for dimming lamps, varying speeds on AC motors, adjusting wattage on electric heaters, water heaters, etc. The Module is completely assembled with a terminal block for easy wire connections.
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PSM-265 2000W AC Voltage Regulator
CA$10.69
This inexpensive AC Voltage regulator can be used for dimming lamps, varying speeds on small AC motors, adjusting temperatures on electric heaters, water heaters, etc. Module is completely assembled with a terminal block for wire connections.
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PSM-260 Mini 4.75-23 VDC to 1V-17VDC Step Down Converter
CA$3.84
This miniature step down converter module will reduce any input voltage of 4.75 – 23vDC down to 1.0 – 17vDC as output voltage. The maximum current this device can handle during the short duration is 3A and is recommended to run for 1.8A in the long run.
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PSM-250 55VDC to 12VDC 15A Stepdown Buck converter
CA$21.92
This converter comes with a metal enclosure where you can remove the top. Designed to take a maximum voltage of 55v DC and step down to range of 1 to 36v DC. The output current that the system will take and output is set to 15 Amps. Adjust the potentiometer to get the voltage output required.
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2S-6S T-Plug Li-Po to USB Adapter Converter with Voltmeter
CA$13.77
This little board allows users to connect any T-Plug Li-Po batteries and allow to charge any USB device they may have at hand. The board has a volt-meter that will read and tell what the voltage of the battery is and will step down or up to 5v output with a max current limit of 2Amps. The entire board is heat shrinked so you don’t have to worry about accidently shorting it! We would recommend this product for people who want to make their own wireless portable raspberry pi security camera!
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PSM-230 DC-DC ADJUSTABLE 8A STEP DOWN CONVERTER
CA$15.31
This is a versatile 8 Amp adjustable step down DC-DC converter. Can be used as a step down converter for a regulated power supply, high current LED driver or battery charger. Can be used in constant current or constant voltage modes. Two potentiometers allow for control of both current and voltage output. Red Green LED indicator indicates charging status. Output short circuit protected.
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PSM-240 0-5A 75W Adjustable DC Step Down Converter with Acrylic Casing
CA$21.92
This DC/DC Step down Regulator will take high voltages from 36 volts to 5 volts DC and lower them down to a output voltage of 1.25V – 32V. You can also adjust the current up to 5A. It comes with a display to measure the input and output voltage, current Draw or power Draw by cycling through the right pushbutton. You can simply turn the feature off using the left button.
Delivery within 2-3 weeks
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3.7V Li-Ion Mini Power Supply Module Power Bank
CA$10.76
This little PCB has the ability to charge/discharge and protect your 18650 batteries. In essence this is what power banks use to step up 3.7 volts to 5v to charge your smartphones or 5v devices. For people who know the risk and safety precautions for Li-Ion batteries, they can solder the battery holder in parallel to increase the capacity of the battery bank. The voltage must be 3.7 volts and must never be connected serially.
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AK-155 5A DC Motor Speed (PWM) Controller Kit
CA$23.00
This kit allows users to practice on their soldering skills and build a useful and small tool. This kit uses the 555 IC that acts as a timer for creating pulse width modulated clocks. Connect VDC of what the motor runs at (16VDC MAX) to power the board with a maximum current of 5 AMPS and control the speed of the motor at the output. The board also comes with an LED to indicate the duty cycle that it is adjusted to.
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MOT-PCA9685 I2C PCA9685 16-Channel PWM / 12 – bit Servo Driver
CA$13.77
This module allows users to connect to Raspberry pi or Arduino to control multiple motors using i2c protocol. You can also driver LEDs with the module and supply external voltage and current. You can drive up to 16 PWM outputs using four wires from your microcontroller. You can buy a bunch and have up to 6 address to select resulting in 62 modules with a total of 992 outputs.
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2575-POLOLU 6V Step-Up/Step-Down Voltage Regulator S18V20F6
CA$41.19
This powerful step-up/step-down regulator efficiently produces a fixed 6 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%. Its ability to convert both higher and lower input voltages makes it useful for applications where the power supply voltage can vary greatly, as with batteries that start above but discharge below the regulated voltage.
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PWM DC Motor Speed Controller Module with Digital Display 6V-30V Max 8A
CA$19.95
This product allows you to connect any DC motor from 6v to 30v and offers a continuous current of 8A max if provided, from your power supply. Using the attached potentiometer you can adjust the duty cycle of the power provided to the motor. The display will offer a numerical percentage of the duty cycle the potentiometer is currently set at. The range of the potentiometer will offer a duty cycle from 0 to 100%.
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6V-24VDC PWM Controller Module
CA$19.99

This PWM controller allows you to control the intensity of LEDs or the speed of any DC motors with a small knob. This module can adjust the PWM duty cycle from 0% to 100%. There’s a 3A fuse and a Power-On LED light directly on the circuit. Do not connect to AC power source.

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0-1.9 Amp PWM Controller Module
CA$13.77
This PWM controller allows you to control the intensity of LEDs or the speed of any DC motors with a small knob that can be turned entirely off. This module can adjust the PWM duty cycle from 0% to 100%. The switch is removable allowing users to thread the device into tight spaces and placing the knob in locations that they may want to put it in.
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PSM-185 5A DC-DC STEP UP CONVERTER
CA$12.95
Convenient step up DC-DC converter from 3.5V to 30 V input to 4.0V to 30V output. Continuous operating current: 3A. Output voltage and input voltage ratio must not be greater than 3x. Input voltage range: 3.5V-30V (output set voltage must be set higher than the input voltage). Maximum input current 5A for output drive power up to 30W.
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2946-ADA Adafruit 16x9 Charlieplexed PWM LED Matrix Driver - IS31FL3731
CA$11.45
The IS31FL3731 will let you get back to that classic LED matrix look, with a nice upgrade! This I2C LED driver chip has the ability to PWM each individual LED in a 16x9 grid so you can have beautiful LED lighting effects, without a lot of pin twiddling. Simply tell the chip which LED on the grid you want lit, and what brightness and it's all taken care of for you.
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