Transmitter kit smart

DIY Radio 40M CW Shortwave Transmitter Kit Receiver 7.023-7.026MHz Brief introduction: This kit is a classic low-power transceivers. This is a very small volume of simple 40 meter band micro-power amplitude telegraph transceiver uses a 9V square battery. The reception is good, highly readable code, is the entry of the most junior amateur radio choice! Technical parameters: Power supply: DC 9V-14V Antenna: 50 ohm, unbalanced Receive quiescent current: 10mA @ 9V Transmit power: 0.8W @ 9V, 1.2W @ 12V Frequency range: launch 7.023MHz, receive 7.023-7.026MHz (7.023MHz crystal) Mode: CW Shell selection and installation: Beautiful metal case not only for item considerably, and can effectively shield nearby interference. There are many optional shell, for example, metal cans, aluminum boxes, medical elongated aluminum box and so on. Select the box in time to pay attention as easy to open, because the battery ran out and need replacing. Recommendations: The confidential achieve better results, set the antenna performance can not be less than the full length of the horizontal half-wave dipole antenna, in conjunction with the use of Simple Barron, antennas should be kept away from sources of interference, such as fluorescent lights, computer monitors, switching power supplies and other equipment as much as possible with the coaxial cable as feeders to reduce possible interference received, as a small selection of the broadcast interference morning or late at night listening to get the best results listen to SSB and CW signals signal. Note: We don't supply any manuals please note about this before you order it. Package included: 1 x Shortwave Transmitter Receiver 7.023-7.026MHz QRP Pixie Kit

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Feature: Power supply: 9V-12V (Recommended 9V laminated battery) Antenna: 50 ohm, unbalanced Frequency range: transmitter local oscillator frequency: 7023kHz; receive local oscillator frequency: about 7023-7026KHz Headphones: low-impedance headphones Transmit power: 0.8W (using a 9V power supply), 1.2W (12V power supply) Suppress spurious (harmonic):-20dB Note: This is a DIY kit, you need to have some soldering skills. Package included: 10 x DIY QRP Pixie Kit

Feature: Power supply: 9V-12V (Recommended 9V laminated battery) Antenna: 50 ohm, unbalanced Frequency range: transmitter local oscillator frequency: 7023kHz; receive local oscillator frequency: about 7023-7026KHz Headphones: low-impedance headphones Transmit power: 0.8W (using a 9V power supply), 1.2W (12V power supply) Suppress spurious (harmonic):-20dB Note: This is a DIY kit, you need to have some soldering skills. Package included: 5 x DIY QRP Pixie Kit

App download link: https://1drv.ms/u/s!AjR-ejcvDtoFa79AZ5FGXmPXBY4 List: Comment Position Quantity 0805 capacitance 10uf C1, C3 2 0805 capacitance 104 C2, C4 2 1N4148 D3 1 Relay K2 1 Power socket P1 1 3-pin terminal block P2 1 S9014 Q1 1 0805 resistance1K R1, R2, R3 3 Touch button S1, S2 2 STC15W201S U1 1 AMS1117-3.3 U2 1 Optocoupler U3 1 4P Female seat WIFI 2 0805 blue LED D2 1 PCB 1 5.5 power cable 1 Package included: 1 x DIY WiFi relay module kit

Smart Robot Car Chassis Kit Wireless Control For Arduino Carton Packaging Feature: Smart car chassis tracing car Robot car chassis with code disk Ideal for DIY Mechanical structure is simple, it is easy to install This car is the tachometer encoder With a 4 AA battery box (batteries not included) Can be used for distance measurement, velocity Can use with other devices to realize function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control Size: 20 x 14cm (L x W) Wheel size: 6.5 x 2.7cm (Dia. x H) Note: Motor power supply is 3V ~ 6V. All the parameter above is tested without load. The car Chassis is transparent, you need to tear out protective paper. This version is the same with SKU115409, but this version has better packaging. It may be individually packaged with foam box or carton box. Package included: 1 x Car chassis 2 x Gear motor 2 x Car tire 2 x Speed encoder 2 x Fastener 1 x Universal wheel 1 x Screwdriver 1 x Battery box(batteries not included) All necessary screw and nut

Smart Phone Camera Lens 18X Telephoto Lens Optical Manual Zoom Telescope Lens with Tripod and Clamp Product Description Smart Phone Lens Kit: including 18X Telephoto Lens, Flexible Tripod, Mini Clip, Lens Support Ring, Lens Covers, Cleaning Cloth etc. Lens Functions: 18X Zoom Telephoto Lens, Manual Focus, 18X Amplification, Great For Long Distance Shooting, Like Building, Animal, Beauty, Sports Events etc. Lens Quality: Textured Aluminum Lens Body, Give You a High-End and Comfortable Feeling. Optical Class Glass, Reducing Lens Glare, Reflection, Ghosting, Give You a Clear Pic Forever. Universal Device Compatibility: For almost all SINGLE camera smart phone, including iPhone 7/6S/6 Plus/5/SE, Samsung Galaxy S7, S7 Edge, S6, HTC Series, LG Series etc. Tripod and Clip: Flexible Tripod made of stainless steel material, the legs can smoothly extend and retract to help position your device more precisely and stably. Special lens clip with a screw button can be rotated to fix, steady usage.Style: 18X Telephoto Lens Note: -The Lenses can￯﾿ﾽt change the pixel of smartphone camera, and the photo quality depends on the phone itself pixels, the lenses kit just plays a helping role. -The tripod is only for telephoto lens, cause the telephoto lens is a little heavy, the tripod plays a support function. - It is better to take off your phone case for taking better photos. -About how to use the telephoto lens: Firstly connect the connecting ring to the lens and tighten the screws on the connecting ring clockwise. Secondly, align the tripod with the screw hole of the connecting ring and tighten it clockwise. Thirdly, fix the cell phone with the metal clip and align the hole. Fourthly, align the clip and the phone lens and tightens it clockwise. The phone camera and lens connection is correct, then lens can work. At the first time, maybe you will spend a little to install it, you need more patience, but many times later, it will become so easy to install it. -While receiving the item, please check the package and all the lens accessories(especially lens tripod, lens clip), if there are something bring trouble to you, please feel free to contact us, we will e-mail you as soon as possible and help you solve your problem timely. About Package: 1 * 18X Telephoto Lens 1 * Tripod 1 * Clip 1 * Small Bag 1 * Cleaning Cloth Our Guarantee to You We guarantee the utmost in Quality, Authenticity and Customer Satisfaction All our Items are Brand New and 100% Authentic with Original Box and Papers Price Beat or Match, if we can't (which is hardly ever), we will give you R150 off your next order with us. At these prices stocks are very limited, so order now to avoid disappointment Please view our other listings HERE Looking for something that we have not listed. Let us know - Will will get the best price for you

Smart Wifi Video Door Bell (10001264) Specification: -Resolution: 480*320 -Lens: 90 (Horizontal view) -Lens Pixel: 2 Mega Pixel -Capture PhotoAutomatically when press the doorbell. -Photo push toApp -Battery Mode: 4pcs Alkaline AAA batteries -Batteries IncludedNo -Standby: More than 1 year -Wireless: Wi-Fi 2.4G -Operation Temperature: -10 to 50 -Operation Humidity:95% Function & Features Get instant photo from App or Wechat when Visitors press the doorbell. Support cloud and local storage, can check the visitors photo at anytime. 90 wide angle monitoring. Simple installation and setup, Stick Up doorbell easy to post on the wall. Plug Chime into any standard power outlet, get instant alerts anywhere in your home. Operating range: 100-200 feet. Super low power consumption, working time more than 1 year with 4pcs AAA batteries. Package Contents: 1x Camera Transmitter Unit 1x Wifi Receiver Unit

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