20pcs pfm control

Buy 20Pcs PFM Control DC-DC 0.9V-5V Step Up Power Supply Module for R291.38

5Pcs PFM Control DC-DC 0.9V-5V Step-up Power Supply Module Description: Mini PFM Control On-board input voltage indicator High conversion efficiency, maximum to 96% Any DC voltage input 0.9V ~ 5V, output 5V DC voltage can be stable, with two AA batteries input to the output current of 500-600MA, single AA battery power supply output current about 200MA On-board USB female, can supply power directly to the USB interface Small dimension Specification: Input voltage: 0.9 - 5V DC Output voltage: 5V DC PCB size: 34mm x 16.2mm Applications: DIY a mobile power supply, only need one battery, you can output 5V voltage for your phone, MP3, MP4, PSP charger, very easy. In order to power your electronic devices when your device needs 5V power supply, when you only have lithium battery, this module can be directly step-up to 5V, solve your problems. Package included: 5 x Mini PFM control DC-DC USB 0.9V-5V to 5V DC boost step-up

Buy 50pcs PFM Control DC-DC 0.9V-5V To USB 5V Boost Step Up Power Supply Module for R753.82

Buy 100pcs PFM Control DC-DC 0.9V-5V To USB 5V Boost Step Up Power Supply Module for R1,245.94

20Pcs MB102 Breadboard Module Adapter Shield 3.3V/5V For Arduino Board Description: Breadboard power supply module, compatible with 5 V, 3.3 V Apply to MB102 breadboard Input voltage: 6.5-12 V (DC) or USB power supply Output voltage: 3.3V/5V can switch over Maximum output current: Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use. Size: 5.3*3.2*2.5cm Weight: 12g Please notice: this item only a Power Supply Module, Breadboard is not included. Package included: 20 x Power supply module Breadboard power supply module, compatible with 5 V, 3.3 V.      

20Pcs NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator Features: 1. As a square wave signal generator,generates a square wave signal used for experimental development. 2. Used to drive a stepper motor for generating a square wave drive signal. 3. Generate adjustable pulse for MCU. 4. Generate adjustable pulse,to control circuitry associated. 5. Size: 31mm x 22mm 6. Main chip: NE555 7. Input Voltage: 5V-15V DC. When power supply is 5 V, the output current can be 15 MA around; when 12V power supply, the output current can 35 MA around 8. Input current: >=100 MA 9. Output amplitude: 4.2V V-PP to 11.4V V-PP. (Different input voltage, the output amplitude will be different) 10. Maximum output current: >=15MA (5V power supply, V-PP greater than 50%), >=35MA (12V power supply, V-PP greater than 50%) 11. Output with LED indication(low level,LED will on; high level,LED will off;low frequency, the LED flashes) 12. The output frequency range is selectable: LF file: 1Hz ~ 50Hz                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        &nbs

20Pcs ND 2/4/8/16 Filter Kit Holder Wide Adapter Lens Hood LF292 For Cokin P Description: In photography, filter have the effect of "dressing".If you can use the filter flexible, it will help you improve the performance of photography, and can change the scene of the tone, make the photos more close to nature. So it is popular with photographers alike. And gradual filter is a MUST for digital users, because the digital sensor unlike film has very low exposure tolerance. Detail will be lost on both low and high light area. To correct this, you need gradual filter to balance it! Features: Control light and colour directly on your raw images at the time of shooting, Keep the quality of your images without excessive post production work,save your time. Same filter for all your lenses by just replacing the adaptor ring. Weight: 355g Fitment: Cokin P series For 8pcs Cokin ND Filter Set(Third Party) Compatible with Cokin P series. To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background. To decrease the effective ISO of high speed film (ie: above ISO400) and allow it to be used outdoors in blight situations. To enable slow shutter speeds to be used, especially with fast films, to record movement in subjects such as waterfalls, clouds, cars, seas, etc. To allow cine and video cameras (which have fixed shutter speeds) to film subjects such as snow, sand or other bright scenes which would normally cause over-exposure. For 9pcs Ring Adapter + 1pcs Filter Holder(4-slots) +1pcs Wide Angle Filter Holder(1-slot) The Cokin creative system consists of 3 main components: An Adaptor Ring + A Filter Holder + 1 or more filters. Screw the adaptor ring onto your lens. Slide the filter-holder on the adaptor ring until it snaps in place. Slide the filter (up to 4) into one of the filter-holder slots. Mount Lens Hood onto your filter-holder by pressing on the upper and lower parts of the lens hood. Package Included: 8pcs Filter Set (Third Party) 1 x ND2 filter 1 x G.ND2 filter 1 x ND4 filter 1 x G.ND4 filter 1 x ND8 filter 1 x G.ND8 filter 1 x ND16 filter 1 x G.ND16 filter 9pcs Ring Adapter + 1 Filter Holder + 1 Wide Angle Filter Holder + 1 Lens Hood (Third Party) 1 x 49mm Ring Adapter 1 x 52mm Ring Adapter 1 x 55mm Ring Adapter 1 x 58mm Ring Adapter 1 x 62mm Ring Adapter 1 x 67mm Ring Adapter 1 x 72mm Ring Adapter 1 x 77mm Ring Adapter 1 x 82mm Ring Adapter 1 x 4-Slots Filter Holder 1 x 1-Slot Wide Angle Filter Holder 1 x Lens Hood Detail Pictures:  

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