Best Power Circuit Board

WSDMAVIS 1Set Ceramic Discs Mist Maker Atomization Plate with 5V Mini USB Humidifier Module Integrated Circuit Board Driver with Timing Switch DIY

High frequency oscillation,more finer particles,large and stable atomization amount, timing shutdown..
USB humidifier special micro hole atomization film, surface anti-oxidation silver layer protection coating, the front side is white piezoelectric ceramic ring, the back is all steel material, waterproof solder joint, to prevent open circuit..
Diameter of outer silicone ring: about 20mm.
Our atomizer plate with 5V frequency driver board, it is more convenient compared with other product. You can start the board via the button after power the module.The atomizer plat should be used with the same frequency circuit board so as to achieve the ideal spray volume..
Please refer to the picture for the detailed information of the circuit board structure diagram, wiring diagram and atomizer size diagram..

This product is 6 string 24V 6-Cell lithium battery power protection board.
Protection board with overcharge protection, over discharge protection, over current protection, short circuit protection.

...lifier board working voltage is DC 8-26V, can be powered by 12V, 24V.
output power is 15W stereo (24V 8ohm)/ 10W stereo (12V 8 ohm), if connect 4 ohm or 2 ohm speaker, the power will be automatically limited to 15W..
Artificial Material: this New-designed stereo amplifier module is made of noble black immersion gold circuit board, PAM8620 chip, imported KEMET speaker capacitor, large-capacity filter capacitor for channels. Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module..
High Performance: the class D power amp module is with high efficiency of over 90%, general harmonic distortion noise is less than 0.2%, low quiescent current and noise suppression..
Safe Protection: the 2 channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection, overcurrent protection, overvoltage protection, undervoltage protection.
Additional Function: it is available to connect external mute function (MUTE: High level mute, factory default low level).
available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory defaults high electricity level..

The piezoelectric ceramic piece is sensitive to the sound wave vibration transmitted by the solid, and is not sensitive to the acoustic vibration of the gas, which can effectively reduce the environmental noise and avoid the whistling caused by the self-excitation. Can be used for guitar, erhu and other musical instruments..
Ultra-small volume dynamic microphone preamplifier board,two-channel design,suitable for a single lithium battery-powered,using AD828 fever op amp chip,suitable for low voltage power supply (3.8-15V).
If you only used one channel,the other channel needs to short-circuit the input with GND,To avoid interference with the signal crosstalk..
Working voltage:DC3.8V-15V.This microphone amplifier board without power regulator circuit,can only use the battery or linear power supply,can not use switching power supply,otherwise there will be interference..

Marine Class D MOSFET Monoblock Power Amplifier.
Peak Power at 1 Ohm: 1,200 Watts | RMS Power at 1 Ohm: 800 Watts.
Fully Marinized with Waterproof Coating on Circuit Board & Rust Proof Painting on Mechanical Case.
Frequency Response: 20Hz - 250Hz, On-board Bass EQ Switch with +6 or +12dB boost at 45Hz.
Featuring 4-Way Protection Circuitry and 4 Gauge Power & Ground Input Terminals for Maximum Current Flow.

The Samsung DA94-02663A Main Control Board is a genuine OEM (Original Equipment Manufacturer) part designed and engineered to exact specifications.
Replacement Samsung Refrigerator Main Control Board is a PCBA (Printed Circuit Board Assembly) manages the functions of the refrigerator such as....
Samsung DA94-02663A Refrigerator Main Control Board is also called the Electronic Control Board or Main PCB (Power Control Board).
High quality Samsung OEM DA94-02663A Refrigerator Main Control Board is manufactured with premium materials for durability and exact fit, be sure to....
Repair your appliance with confidence when you choose Genuine Samsung Factory Parts & Accessories.

Replacement Power Switch Circuit Board for the New 3DS.
Package: 1x Power Switch Button Board For New 3DS.
Caution : Compatible with the for Nintendo New 3DS Console ONLY, Not for 3DS or New 3DS XL.
Please Confirm this Item is the Right Model You Need Before Placing Order..

Onboard subminiature PFM control DC/DC boost controller chip..
Input 0.9 V ~ 5 V dc voltage, stable output 5 V dc voltage..
The lamp on the circuit board can indicate the working state of the circuit board..
Directly use the USB interface to power USB interface devices.This can provide power for your mobile phone, camera, single-chip microcomputer and....
PCB Size: 34x16x11 mm/1.34x0.63X0.43 Inches(LXWXH). Package:2 PCS..

Compact Design - The small footprint chassis allows for installation in space challenged vehicles.
Conformal Coated Circuit Board - Protects against corrosion or circuit deterioration due to exposure to moisture or salt conditions.
Fixed Crossover - High and Low Pass Crossovers Allow Use with Full Range Speakers or Subwoofers.
4Ω RMS Power Output 300W x 1 Channel 2Ω RMS Power Output 650W x 1 Channel.