Reviews On board Power Switching

HiLetgo 5pcs Mini ESP8266 ESP-12F Mini NodeMCU Lua 4M Bytes WiFi Module with Pin Headers

  • Arduino ompatibility. Using the Arduino IDE for programming.
  • 5V 1A switching power supply (switching power supply）onboard.
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MakerFocus 2pcs D1 Mini NodeMcu 4M Bytes Lua WiFi Development Board Base on ESP8266 ESP-12F N Compatible NodeMcu Ar duino

  • This is D1 mini, a mini W I F I board based on ESP-8266EX. How to start using Ar duino? Please read the document carefully. The document link is available in the product guide.
  • Ar duino ompatibility. Using the Ar duino IDE for programming..
  • 5V 1A switching power supply (switching power supply）onboard..
  • We Have a Strong After-sales Service Team: As long as you have any questions about the product, we will resolve your issue immediately if received your email, your satisfactory purchase experience is our greatest hope! How to email us? Plz click “MakerFocus” and click “Ask a question” to email us! Looking forward to your consultation!.
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Dorhea ESP8266 ESP-12 NodeMcu D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board + Relay Shield + 2.54mm 40Pin Single Row Male Pin Header - 3Set

  • The esp8266 module is 11 digital input / output pins, all pins with interrupt / PWM / I2C / support 1 line (except D0).
  • 1 analog input(3.2V max input). Micro USB connection.
  • WiFi internet development board 5V 1A switching power supply (switching power supply）onboard..
  • 5V relay shield is a digital switch to control much higher voltages and currents than esp8266 mini microcontroller, controlled by the D1 , the relay will switch to allow current to flow or turn off, depending on wiring..
  • 40 pin 0.1inch (2.54mm) male pin header connector PCB board pin strip electronic component, they are easy to be cut to any length if needed, you can cut or score with some electronic tool..
  • The pin header is an ideal connector for the PCB board and intergrated circuit, used widely in the computer and breadboard, compatible with raspberry pi or other electronic project..
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UpBright 29.4V AC/DC Adapter Compatible with Swagtron Swagboard T5 U Vibe T580 Hoverboard Smart Board 24V Electric Scooter Flypower PS65D294Y2000S FY-2942000 ABT ABT005297CUS 29.4Vdc Battery Charger

  • ...rd Urban Rider Hands Free Smart Board 29.4Vdc. 2A 67.34Wh Swagtron Vibe T580 Hoverboard Scooter Bluetooth 2 wheel Scooter 24V Li-Ion 24VDC 24 VDC 24 Volt 24 Volts Lithium Ion Rechargeable Battery Electric Scooter Hoverboard Hover board Swag tron Swag board 29.4VDC 1.5A – 2.0A DC29.4V 1500mA 2000mA 29.4 V 29.4 VDC Switching Power Supply Cord Cable Battery Charger Mains PSU.
  • Compatible with: ABT ABT005297CUS 29.7V 0.5A 500mA 29.7 VDC 29.7VDC Power Supply.
  • Model: FY-2942000 FY2942000 Shenzhen Fuyuandian Power Co. Ltd 29.4V 2A Switching Power Supply.
  • Flypower PS65D294Y2000S PS650294Y2000S PS65D294Y20005 PS650294Y20005 Fly Power 29.4 VDC 1A – 2A 29.4Vdc 1000mA 1.0A – 2 A Switching Power Adapter (w/ 3-Pin 3Pin Connector).
  • Compatible with: SwagTron SwagBoard Classic T5 25.9Vdc 2.6A Lithium-Ion Battery Pack Hands Free Smart Board.
  • SwagTron SwagBoard Vibe T580 25.9Vdc 2.6A Lithium-Ion Battery Pack Hoverboard.
  • SwagTron SwagBoard Twist T580 24V/2Ah Hoverboard.
  • SwagTron SwagBoard EVO V2 24V/2Ah Hoverboard.
  • SWAGTRON Hoverboard T580 29.4Vdc 1A 103.6Wh.
  • SWAGTRON Hoverboard T580 29.4Vdc 2A 67.34Wh Swag to the Max Hoverboard.
  • SwagTron SwagBoard Warrior XL 25.6V/4Ah Off-Road Hoverboard Battery Charger.
  • ⚠️⚠️⚠️!!!Note: If you need a charger for 36V/42V ve....
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Schlage Electronics PS902-2RS Class 2 Power Supply with 2 Relay Output Board

  • Good Heat Dissipation:This access control power supply has cooling holes, and the side is also equipped with cooling holes, which hae excellent heat dissipation performance, but also fireproof, long serice life and low price. You will not regret it when you buy it back!.
  • high leel, low leel, switching quantity control three ways. Circuit protection: oercurrent, oeroltage, short circuit protection.
  • Buy With Total Confidence:We proide 1 month free return and exchange serice. If you find any quality problems during this period, except for man-made damage, you can contact us and we will gie you one within 24 hours. Satisfied with the answer!.
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AOSHIKE TPA3116 DC 12-24v 100W Subwoofer Amplifier Board Support Bass Output Digital Small Power Amplifier Board Video Audio Accessories

  • Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz.
  • Operating voltage range: DC 12-24V(maximum voltage is no more than 24V).
  • This is a pre-amplifier, bass frequency....
  • DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output.
  • Speaker impedance: bass speaker impedance: 2-8 ohm.
  • You can use a good switching power supply adapter, laptop switching power supply, or rectified filter transformer power supply, you can also use....
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CW QRP Shortwave Radio Kit - CW Transceiver Shortwave Radio Kit

  • ...used for if. After ta2003 multiplication detection, the sound size is adjusted by digital potentiometer and sent to audio active filter circuit. Finally, LM386 drives speaker, and if frequency supports calibration setting..
  • Use 3 bs170 parallel outputs, class E amplification, 12V power supply, output power 5W! Relay switching is used for transceiver, with the function of transmitting delay adjustment to avoid frequent relay switching and improve the isolation of transceiver channel..
  • It has the function of automatically sending call signs, which is very convenient to use. The MCU uses the original code of our store, which can adjust the code speed, sidetone frequency and sidetone size. It can input the call sign by itself (in automatic key mode) and support power down saving..
  • The PCB board of this kit can be conveniently put into the 88 * 30 * 120mm aluminum chassis (the shell needs to be prepared by itself, and the opening size of the front and rear panels is in the mesh disk). Main indicators Power supply: 12V Working current: receiving ≈ 120mA @ 12V.
  • Emission ≈ 1A @ 12V Transmitting power: 5W @ 12V Frequency range: 7.000mhz-7.100mhz, 1kHz / 100Hz step Working mode: CW transceiver, SSB receiver.
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ImmersionRC 600mW 5.8G 5.8GHz AV Transmitter for FatShark RC Drone

  • 600mW (28dBm, +/- 1dB) of clean output power.
  • Frequencies: 5740, 5760, 5780, 5800, 5820, 5840, 5860MHz.
  • On-board quiet switching regulator, powers 5v cameras (including HD versions).
  • Connector:SMA ,with supplied 5.8GHz antenna..
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Yahboom 4 Port USB 3.0 Hub for Raspberry Pi Jetson Nano ROS Robot, Compatible with USB 3.0/2.0/1.1 Driver-Free Plug&Play, Onboard External USB-A，5V (Micro-USB)，9~24V Power Port, for High-Power Device

  • ...pport equipment -- Support ROS robot / car, Raspberry Pi / Jetson series board, PC, other boards, industrial computer, etc. Compatible with win7 / 8 / 10, Linux, Ubuntu, MacOS systems, no need drive file, plug and play. If the USB device needs to be restarted, the device can be powered off and restarted through the switching power supply without plugging and damaging the interface..
  • Size support Raspberry Pi stack installation -- Support installation of Raspberry Pi 4B/3B+/3B,The kit contains the exclusive copper column screw accessories for jetson nano and raspberry pi, the material is of reliable quality, and there is technical help.
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Rockville APM10W 10 400 Watt Powered/Active Studio Subwoofer Pro Reference Sub,White

  • Rockville APM10W 10" 400 Watt Active Studio Subwoofer in White. 200 Watt RMS. Built-in Class D Amplifier. Enclosure is made of top quality MDF wood. Our enclosure is not particleboard it is true high-grade MDF!.
  • The enclosure is 0.7" thick while the front board of it is a full 1.34" thickness to give you the ultimate best sound quality! Comes in 3 enclosure finish options Wood finish painted black. Wood finish painted white. Wood finish with vinyl front board.
  • Class "D" Amplifier Circuitry with Auto-Switching Power Supply. LED Power on/Stand-by Indicator on Rear Panel. Rubber woofer surrounds increases sound quality and eliminates unwanted distortions..
  • We developed the Most Optimized Magnet structure, Cone, and Cabinet Space that Reproduces the Sound to Play Back Exactly the Way it was Recorded! Specially Wound Voice Coils Produce Accurate Response along the Low Frequency Spectrum..
  • Thick "Wadding" protects inside the subwoofer cabinet - Wadding is a white, artificial silk-like material that we put inside the subwoofer cabinet for multiple reasons..
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