Reviews Programmable Dc Power Supply

KOOBOOK 1Set 1Hz-50MHz Frequency Counter Meter Crystal Oscillator Digital Tester Meter DIY Kit 5-Digital LED Display

  • This is a PIC microcontroller based on the frequency meter, with a crystal measurement function and programmable addition and subtraction frequency settings..
  • Five digital display, easy and intuitive, all use of in-line components, the circuit is simple and easy to produce..
  • You need to solder and assemble by yourself, all the components are directly inserted, and the wire is printed correctly according to the PCB. After welding, the signal is input with the standard signal source, and the yellow adjustable capacitor is adjusted to make the display value equal to the signal frequency..
  • The power supply can use a USB to 3.5mm power cable, or you can directly input a 5-9V DC power supply at the - and + pads..
  • It can measure the frequency range from 1 Hz to 50 megahertz (1Hz-50MHz), can measure the oscillation frequency of most common crystal oscillators, and measure equipment such as radio transceivers..
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B&K Precision 878B Dual Display Handheld Universal LCR Meter

  • Converts AC to DC: features AC to DC power supply Variable linear/ regulated design. Provides convenient and reliable AC-to-DC Power conversion W/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, ham radio, etc.
  • Usb and Screw-Type terminals: This workbench linear variable power supply features dual USB charge port and universal screw connection terminals compatible w/ a wide range of device/equipment. Used to test device/equipment operation and performance.
  • Plug-in operation: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Switch-activated power control eliminates the need for an external battery or additional power source.
  • Short-circuit protection: Equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected electronics. Has rugged and durable housing construction safe for benchtop or desktop Placement.
  • Amp gauge and volt meter display: this DC bench power supply is equipped with rotary control for the adjustable powe....
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FT-70DR FT-70 Original Yaesu 144/430 MHz Digital/Analog Handheld Transceiver - C4FM / FDMA - 3 Year Manufacturer Warranty

  • IP54 Rating (Dust/ Water Protection) construction * Wide band receive coverage of 108 - 579.995MHz * Versatile Scanning Capabilities such as Programmable VFO Scan.
  • Memory Scan * Priority Channel Scan * External DC Jack for DC Supply Operation and to Charge the Battery.
  • Mini USB port for convenient programming and software updates * CTCSS/ DCS Operation * Automatic Power Off (AFO) feature.
  • RF Squelch * Transmitter Time Out Timer (TOT) * Busy Channel Lock-Out (BCLO).
  • Included in the box: Antenna, SBR-24LI 7.4V 1800 mAh Li-Ion Battery, SAD-18B Battery Charger, Belt Clip, USB programming Cable, Warranty Card and Operating Manual. Three year limited manufacturer's warranty..
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BTF-LIGHTING WS2812B 100PCS 5050SMD Individually Addressable Smart RGB LED Pixel for Arduino 5V DC Single 1-led LED Module Pixels Color Light little rgb LEDs Lampon Black Heat Sink PCB Board Only DC5V

  • Individually Addressable.Dream full color Programmable LED Strip,WS2812B led, WS2812B IC Built in 5050SMD.256 brightness display and 24-bit color display.It comes with 3pin JST-SM connectors on both ends for easy installation and separated power/ground wires on both ends. Each LED can be cut off without damaging the rest strip. You can shorten, lengthen or bend it freely if you want..
  • The addressable IC is built-in the 5050SMD.Each pixel can have its own color and brightness as your wish. Compatible with T1000S,K1000C etc programmable controllers. Support SP110E SP105E SP108E SP110E SP601E etc APP controllers, CSY07 CSY08 X2 SP106E SP107E etc music controllers, SP501E etc smart WiFi Alexa Controllers..
  • Only Support DC5V.Never use DC12V or DC24V power supply. Match use controller can appear colorful curtain-up/ flow water/raindrop/jump flash and so on hundreds of lighting effect, you can also edit animation effect by Coreldraw/Flash/LedEdit software..
  • Making led screenDIY , advertising board, apply to hotel, KTV, bars, Outdoor advertising signs, Festivel Christmas or wedding party decoration,It has adhesive glue on the back, so you can stick it to the wall or other items conveniently as you like..
  • It¡¯s put on a small PCB board that allows you to solder....
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Kungber DC Power Supply Variable, 30V 5A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display 5V/2A USB Output, Coarse and Fine Adjustments with Alligator Leads

  • 【Automatic Power Calculation】 Different from other dc power supplies, WANPTEK DPS1203U dc power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01V and 0.001A..
  • 【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
  • 【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
  • 【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair....
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DC Power Supply Variable, Adjustable Switching Regulated Power Supply (0-30 V 0-10 A) with 4-Digits LED Display, 5V/3.6A USB Quick-Charge Interface, Short Circuit Alarm, Coarse and Fine Adjustments

  • 【Automatic Power Calculation】 Different from other dc power supplies, WANPTEK DPS3010U dc power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01V and 0.001A..
  • 【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
  • 【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
  • 【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair....
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POWERBES DC Power Supply Variable 120V 3A - Adjustable Horizontal Switching Regulated Benchtop, Highly Portable, 3-Row & 4 Digits Display, Highly Accurate (0.01V - 0.001A), Testing Leads Included

  • 【Highly Accurate Encoder Adjustment】 Just press the voltage or current encoder knob of the DC power supply to switch between each digit, and then turn the knob to set each digit in the range of 0-9, you can directly and accurately set the voltage or current you want. It is more precise and convenient than traditional knobs..
  • 【Output Switch Control】 In the process of using the variable power supply, you can adjust the voltage and current you need by pressing the output button at any time. This design can prevent you from damaging the appliance because you forget to disconnect the output. Effectively improve your experiment efficiency..
  • 【Automatic Power Calculation】 The bench power supply will automatically calculate the power based on the voltage and current, and display the voltage, current and power on the high-definition four-digit digital display. The accuracy is 0.01V, 0.001A. The bright digital display allows you to use the bench power supply in a dim environment..
  • 【Short Circuit Alarm】 When the load equipment fails and short-circuits, the adjustable dc power supply will emit a buzzer alarm. Prevent excessive output current from damaging the load equipment. In addition, it has multiple protections, such as grounding wire, leakage pr....
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Universal Compact Bench Power Supply - 50 Amp Variable Linear Regulated AC to DC Power Converter/Power Supply Adjustable DC Voltage Supply with Amperage Gauge Volt Meter USB Port - Pyramid PSV500

  • CONVERTS AC TO DC: Features AC to DC power supply variable linear / regulated design. Provides convenient and reliable AC-to-DC power conversion w/....
  • USB AND SCREW-TYPE TERMINALS: This workbench linear variable power supply features dual USB charge port and universal screw connection terminals....
  • PLUG-IN OPERATION: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion.....
  • SHORT-CIRCUIT PROTECTION: Equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected....
  • AMP GAUGE AND VOLT METER DISPLAY: This DC bench power supply is equipped with rotary control for the adjustable power supply DC and analogue gauge....
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ABLEGRID Charger Compatible with Swann Lorex Q-See Security Camera 12V 5A 60W 2-Prong Plug AC to DC 2.5x5.5mm w/8-Way Power Splitter Cable Power Supply for CCTV Security Camera DVR, LED Strip Lights

  • ► SPECIFICATION: Input voltage:AC 100-240V, 50/60Hz. Output voltage:DC12V 5A (60 Watt). 2-Pin US Plug.
  • DC connector size: internal diameter: 2.5mm, external diameter: 5.5mm.
  • ► WIDE USES: power supply for the flexible LED strip lights, security camera DVR system, and other DC12V devices.
  • this DC Adapter can also work with most electronic devices for interface 5.5mm*2.5mm.
  • ► INCLUDE: 1)8-Way Power Splitter cord enables you to easily power up to 8 security cameras or 1 DVR with just one plug, no matter it is Analog or AHD.
  • 2) 2.1mm x 5.5mm Power Plug features one power connector end DC plug female to another end terminal for CCTV camera connected, save time and securer cable connection.
  • ► NOTE: 1 to 8 Power Splitter Adapter Cable allows up to 8 security camera connections to a Single power adapter.( If your security camera requires 1A power supply, you only could connect 5x security camera to the power supply. You couldn't connect 8x security cameras. More than 5x security cameras, the power supply will not work. 2. If your security camera requires 0.5A power supply, you could connect 8x security cameras to the power supply.).
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