Crystal port

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Power Pins: GND - this is the common ground for all power and logic BAT - this is the positive voltage to/from the JST jack for the optional Lipoly battery USB - this is the positive voltage to/from the micro USB jack if connected EN - this is the 3.3V regulator's enable pin. It's pulled up, so connect to ground to disable the 3.3V regulator 3V - this is the output from the 3.3V regulator. The regulator can supply 500mA peak but half of that is drawn by the ESP32, and it's a fairly power-hungry chip. So if you need a ton of power for stuff like LEDs, motors, etc. Use the USB or BAT pins, and an additional regulator Logic pins: This is the general purpose I/O pin set for the microcontroller. All logic is 3.3V The ESP32 runs on 3.3V power and logic, and unless otherwise specified, GPIO pins are not 5V safe! Serial pins: RX and TX are the additional Serial1 pins, and are not connected to the USB/Serial converter. That means you can use them to connect to UART-devices like GPS's, fingerprint sensors, etc. The TX pin is the output from the module. The RX pin is the input into the module. Both are 3.3V logic I2C & SPI pins: You can use the ESP32 to control I2C and SPI devices, sensors, outputs, etc. If using with Arduino, the standard Wire and SPI devices work as you'd expect! Note that the I2C pins do not have pullup resistors already! You must add them if you want to communicate with an I2C device GPIO & Analog Pins: There are tons of GPIO and analog inputs available to you for connecting LEDs, buttons, switches, sensors, etc. Here's the remaining pins available. Bottom row: A0 - this is an analog input A0 and also an analog output DAC2. It can also be used as a GPIO #26 A1 - this is an analog input A1 and also an analog output DAC1. It can also be used as a GPIO #25 A2 - this is an analog input A2 and also GPI #34. Note it is not an output-capable pin! A3 - this is an analog input A3 and also GPI #39. Note it is not an output-capable pin! A4 - this is an analog input A4 and also GPIO #36 A5 - this is an analog input A5 and also GPIO #4 21 - General purpose IO pin #21 Top row: 13 - This is GPIO #13 and also an analog input A12. It's also connected to the red LED next to the USB portIt's also connected to the red LED next to the USB port 12 - This is GPIO #12 and also an analog input A11. This pin has a pull-down resistor built into it, we recommend using it as an output only, or making sure that the pull-down is not affected during boot. 27 - This is GPIO #27 and also an analog input A10 33 - This is GPIO #33 and also an analog input A9. It can also be used to connect a 32 KHz crystal. 15 - This is GPIO #15 and also an analog input A8 32 - This is GPIO #32 and also an analog input A7. It can also be used to connect a 32 KHz crystal. 14 - This is GPIO #15 and also an analog input A6 http://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers Here are: https://espressif.com/en/products/hardware/esp32/overview 240 MHz dual core Tensilica LX6 microcontroller with 600 DMIPS Integrated 520 KB SRAM Integrated 802.11b/g/n HT40 Wi-Fi transceiver, baseband, stack and LWIP Integrated dual mode Bluetooth (classic and BLE) 4 MByte flash On-board PCB antenna Ultra-low noise analog amplifier Hall sensor 10x capacitive touch interface 32 kHz crystal oscillator 3 x UARTs (only two are configured by default in the Feather Arduino IDE support, one UART is used for bootloading/debug) 2 x I2C (only one is configured by default in the Feather Arduino IDE support) 12 x ADC input channels 2 x I2S Audio 2 x DAC PWM/timer input/output available on every GPIO pin OpenOCD debug interface with 32 kB TRAX buffer SDIO master/slave 50 MHz SD-card interface support Package included: 1 x Wemos® TTGO ESP32 Dev Module WiFi + Bluetooth 4MB Flash

Note: This is a DIY kit, you need to assemble it, no instruction supply Specification:   Voltage: USB female or pin header power supply, the supply voltage and the same chip voltage Crystal: 8M PCB board size: 7.4cm * 3.4cm   Feature:   1. Classic ATmega8 / ATMEGA48 the smallest system 2. 23 IO leads to facilitate expansion 3. Standard ISP download interface (board does not need a separate power supply, support ISP download interface power supply), to facilitate program download and debugging; 4. Support chips: ATMEGA8, ATMEGA48 and pin-compatible chip 5. With a self-locking switch, you can flexibly control the system USB input 6. Flexible and diverse power supply: available ISP download port power supply, the standard USB interface can be used for power supply, can also be used for power pin row. 7. External expansion 3 channel VCC, GND 8. Reset: Power-on reset and button reset 9. Expansion 1 channel led lights, easy to debug use   Package includes:   1 x PCB board 1 x 28P locking seat 1 x USB 1 x DC3-10 horns seat 1 x 8 * 8 self-locking switch 1 x 40P pin header 1 x 8M crystal 2 x 22P ceramic capacitors 2 x 104 ceramic capacitors 2 x 3MM red LED  1 x 6 * 6 button 2 x 4.7K resistor 1 x 10K resistor Test, for reference only:

Sharkoon SM1 Microphone with Clip-On, Retail Box, 1 Year warranty Product Lookup Discrete Lavalier Microphone for Multiple Applications The SM1 from Sharkoon is a solid, metal lavalier microphone suitable for a wide range of applications such as lectures and presentations, video production, podcasts and streaming, or as an ideal complement to headphones. With its lightweight and compact size, the SM1 discreetly attaches to clothing or a headphone cable with a few simple steps. The durable clip ensures reliable cable routing, while the 250 cm long cable ensures maximum freedom of movement. Crystal Clear Voice Recording The directional characteristic of the SM1 is unidirectional and therefore designed especially for crystal clear voice recording. Frontal incoming sound is preferred within the recording, while lateral incoming sound is taken into account for an extensive spatial sound. Sound coming from behind, however, is muted and not recorded. The SM1 is additionally equipped with a foam pop filter to assist against wind and movement noise, which is easily removable if necessary. The SM1 connects via a 3.5 mm microphone jack (TRS) to all conventional PCs and notebooks with a corresponding microphone port.

2 Primary speakers that crack out crystal clear highs and a passive subwoofer for deep, booming lows. Up to 10 metres of flawless bluetooth bliss. Analogue dials for volume, bass & treble control to customize your audio experience. Up to 6 hours of pure, uninterrupted play-back. Nifty usb port charges most phones, tablets & mp3 players. Track control to pause, play & change your tunes. Sophisticated, refined, retro-inspired magnificence that packs a serious walloping... drink. it. in. She's pretty to look at, but just wait until you hear her. 25 watts of power with a passive subwoofer that delivers deep, booooming lows & primary speakers that crack out crystal clear highs. This is style, elegance and power refined to bring you a speaker that is truly inspired. A speaker that is... gold.

  Surveillance Camera Tester   Please check shipping information before placing an order Due to the popularity of this item there may at times be possible that the supplier is out of stock. Kindly "ask seller a question" before placing an order and i will check availability with my supplier. Thank you:)  The supplier is currently out of stock, available again 12/01/2018     Key Features...   7 Inch touch screen with 1280x800 resolutions makes this a crystal clear display to aid with your camera setup 12Vold 2Amp output and a 5000mAh battery offers a temporary power supply for camera testing IP Scan, detection, ping test, port flashing and cable testing functions for all your fault finding needs Bright IPS screen is suitable for use in any light     Manufacturer Specifications   General   Display: 7-inch Capacitive touchscreen Resolution: 1280x800 Network port: 10/100M auto adjust, RJ45 WIFI: Built in WIFI 802.11 b/g/n, speed: 150Mbit (receive wireless camera image) IP camera type: ONVIF Video test: 1 channel BNC Input & 1 channel Output, NTSC/PAL (Auto adapt) Functions: Support Analog camera and IP camera image zoom/move, Snapshots, Video record, Record playback, Image Screenshots, Record, save, view and record playback HDMI output: 1 channel HDMI output support 1920x1080 12V/2Apower output: Output DC12V/2A power for camera 5V power output: 5V 2A power output as a mobile phone Power bank PoE power output: 48V PoE power output (Max power 24) Audio test: 1 channel audio signal input, test sound, 1 channel audio signal to connect headphone Video Signal Generator: Output one channel PAL/NTSC color bar video signal for testing monitor or video cable. (red, green, blue, white and black color) UTP Cable tester: Test UTP cable connection status and display in the screen Data monitor: Captures and analyzes the command data from controlling device also can send hexadecimal Network test: IP address scan, link scan, Ping test, Quickly search the connection IP camera and other device IP address Cable scan: Search the cable by the audio signal PoE test: Measurement POE switch or PSE power supply voltage and cable connection status Other Functions: Built in video level meter, Analog and digital video signal output, IP address scan, Ping test, Port flashing, Cabletest, Digital Multi-meter, Optical power meter and TDR cable tester, Network bandwidth testing Mico SD card slot: up to 64GB External power supply: DC 12V 2A Battery: Removable 5000mAh 7.4V Lithium polymer battery Directly provide PoE power to IP Camera 5V 2A power output Working time: 7-10 hours     Ports   DC IN 12V USB 5V/2A OUT Audio in Audio out Mico SD card slot (max 64GB) HDMI out CAMERA HD IN CVBS IN DC24V OUT RS485 RJ45 PSE IN DC 12V/2A OUT     Dimensions   Main Product Dimensions: 250x155x50 mm (L x W x D) Main Product Weight: 932g   Package Contents   Host Power Supply Power Supply Cable RS485 Cable BNC Cable Cloth Bag   4x Straps            

Promate Irock.5 Portable Mini Extendable Retail Box 1 Year Warranty Portable Mini Hi-Fi Extendable Speaker for iPad, iPad 2, iPhone and iPod Product Overview Introducing iRock.5, a super light-weight extendable mini speaker that sits in the palm of your hand. A fully rechargeable lithium-ion battery and mini USB port will ensure that the iRock.5 will always be your portable mini speaker of choice.A great dual aspect of iRock.5 is the built-in amplifier and extendable speaker. Together they increasing bass resonance and give a surprising volume level despite the device’s modest size. It’s the ideal table-top toy for the home or office. Featuring a 3.5mm audio jack, the iRock.5 is the perfect audio accompaniment to your iPad 2, iPhone or iPod, or any other compatible MP3/4 player. One iRock.5 can also be connected to another iRock.5 using the audio out jack, giving a fuller sound when watching movies or listening to music. Features • Suitable for iPad, iPad 2, iPhone and iPod • 3.5mm audio jack works with all MP3/MP4 players • Perfect for laptop and netbook audio enhancement • Light-weight and portable • Extendable speaker for amazing sound • Enhanced built-in amplifier • Custom-tuned vacuum bass design • Audio port lets you connect with another iRock.5 • Mini USB port for recharging • Durable lithium-ion rechargeable battery Specifications • Power output: 2W • Impedance: 4 Ohm • Driver Unit: 36mm • Maximum playing time: 3 hours (approx.) • Charging time: 2 hours • Frequency Response: 100Hz~20K Hz • Signal to noise ratio: 80 dB • Battery type: Li-ion polymer 250mAh • Audio jack: 3.5mm Compatibility • iPad, iPad 2, iPhone, iPod, netbooks, laptops, MP3/MP4 players • and other audio devices thanks to 3.5mm audio jack Packing Contents • iRock.5 + USB cable + user manual • crystal giftbox +PE polybag

You can use the DVI to VGA device. Such as graphics output digital signals to analog signals, and only used in the liquid crystal display VGA interface! Features: 1. 18+1Pin DVI-D Male to 15-Pin VGA Female Adapter will allow your computer video card DVI-I outputs to connect to monitors or signal capture devices that have VGA inputs. 2. This converter can convert DVI-D female port to analogy VGA 15pin female port. 3. It can make your LCD/CRT monitor / projector only with VGA port work with the video card with DVI-D output function. 4. Support dual link for your LCD/CRT monitor from VGA card 5. Connector A: 18+1 pin DVI Male 6. Connector B: 15 pin VGA Female Package Includes: 1 x DVI -D(18+1Pin)to VGA(15Pin) Adapter

M-Audio Mtrack 2x2 The M-Track 2X2 from M-Audio is a 2-input/2-output USB 2.0, 24-bit/192 kHz audio interface that delivers studio-quality recordings via an intuitive and easy-to-use interface. Features include transparent, low-noise Crystal preamps and A/D converters, accessible via an XLR/TRS microphone/line combo input, and a 1/4" instrument input with a specially designed gain and impedance stage to provide an accurate representation of a guitar or bass plugged directly into the interface. The interface connects to a Mac or Windows computer via a standard USB or USB Type-C port using one of the two included cables. The Hi-Speed USB connection combined with the USB/Direct-balance knob delivers zero-latency monitoring of the inputs, and an included software bundle provides everything needed for the solo artist to start recording. A pro-grade metal chassis provides added protection when taken on the road, and a large central knob makes volume changes effortless. Overview: 2-input, 2-output USB audio interface 24-bit/192 kHz resolution for professional recording and monitoring Hi-Speed USB connection with USB/Direct-balance knob for zero-latency monitoring Includes both standard USB and USB Type-C connection cables Dedicated XLR/TRS combo input and 1/4" instrument input Stereo 1/4" outs and 1/4" headphone out with independent level controls Large central control for easy volume adjustment Rugged metal chassis Specifications: Type USB 2.0 24-bit / 192 kHz Connections 1 x XLR/TRS combo mic/line input 1 x 1/4" TS instrument input 2 x 1/4" TS main output (stereo) 1 x 1/4" TRS headphone output 1 x USB Type-C port Phantom Power 48 V System Requirements Mac OS X 10.8 Windows 7 (32- or 64-bit) USB 2.0 port (or higher)

    8 CHANNEL WIRELESS CAMERA KIT Overview Complete 960 p HD Real-Time Capture in high definition 960 p HD video cameras twice as large as 960 p. Get the big picture Each camera offers 960 p megapixel IP at 1280x960 pixels with sharp and magnify image and video than 960 p security cameras. Free apps, Easy remote access Intuitive interface, convenient installation and easy remote control, this is what the advanced security system provides to free your mind. Flexible choice of exit door Our NVR provides HDMI & VGA output ports. Connect the TV or monitor to the corresponding port. Either way, you are guaranteed with crystal clear video from your home and office. Specification: 8 channel 960 p video recorder in Wireless Network Built-in WI-FI module with high performance and high stability Automatically the connection between NVR and IPC Support video playback / recording / playback / USB backup Support mixed use of wired and wireless, local support gap Get instant e-mail alerts if motion detected Support 1 SATA port, up to 4 tb each, 1 USB2.0 port for mouse control operation, back up, upgrade IP Camera Specification Image Sensor: 1.3 Megapixel 1/3 "Progressive Scan Sensor Resolution: HDMI, 1280 * 960 Lens: 4mm Night Vision: 100ft (30 m) Weatherproof: IP66 The package includes Pcs * 8CH 1 960 p WI-FI NVR 8 pcs * 960 p HD WIFI IP cameres 9 pcs * Adapter 1 pcs * USB Mouse

  8 CHANNEL WIRELESS CAMERA KIT Overview Complete 960 p HD Real-Time Capture in high definition 960 p HD video cameras twice as large as 960 p. Get the big picture Each camera offers 960 p megapixel IP at 1280x960 pixels with sharp and magnify image and video than 960p security cameras. Free apps, Easy remote access Intuitive interface, convenient installation and easy remote control, this is what the advanced security system provides to free your mind. Flexible choice of exit door Our NVR provides HDMI & VGA output ports. Connect the TV or monitor to the corresponding port. Either way, you are guaranteed with crystal clear video from your home and office. Specification: 8 channel 960 p video recorder in Wireless Network Built-in WI-FI module with high performance and high stability Automatically the connection between NVR and IPC Support video playback / recording / playback / USB backup Support mixed use of wired and wireless, local support gap Get instant e-mail alerts if motion detected Support 1 SATA port, up to 4 tb each, 1 USB2.0 port for mouse control operation, back up, upgrade IP Camera Specification Image Sensor: 1.3 Megapixel 1/3 "Progressive Scan Sensor Resolution: HDMI, 1280 * 960 Lens: 4mm Night Vision: 100ft (30 m) Weatherproof: IP66 The package includes Pcs * 8CH 1 960 p WI-FI NVR 8 pcs * 960 p HD WIFI IP cameras 9 pcs * Adapter 1 pcs * USB Mouse ">      

iVanky DisplayPort to DisplayPort Cable is good for video streaming or gaming. Compliant to version 1.4 specifications; Supports DP, DP++, and DisplayPort++. 10ft length fits perfectly with your monitor mounts. Molding in one technology effectively prevents cracking. Multiple shielding, 24K gold-plated connectors, 28 AWG tinned copper. Reliable interference-free data transmission. Snug and secure connection, plug & play, hassle-free. This Displayport Cable supports up to 2K@165Hz, 4K Ultra HD (3840x2160@60Hz), 1080P Full HD and flawless audio pass-thru for uncompressed digital audio channels at 7.1, 5.1. Directly connect a DisplayPort-equipped desktop/laptop to an HDTV, monitor, display, gaming graphics card with a DisplayPort for crystal clear audio and high definition video. Unconditional lifetime, all costs covered during lifetime process of this Display Port to Display Port Cable. We're here to help!

Practically new,hardly used • For when you need a complete overview of all calls at your finger tips The D725 has 18 freely programmable multi-colour function keys in three rows – a design that allows D725 users to have a complete overview of all calls at their fingertips. This, combined with the ability to support up to twelve SIP identities, makes the Snom D725 handset an ideal candidate for intensive phone usage. The D725's Gigabit Ethernet switch meets demanding telephony connectivity requirements, while its USB port enables the use of accessories for greater connectivity options. The optional D7 expansion module can be attached for additional function keys. The advanced speaker and microphone system and the Digital Signal Processor (DSP) ensure that the D725 delivers a cutting-edge audio performance with superior, crystal clear call quality. Quick Summary Elegant design 18 multi color function keys Wideband audio USB Port Gigabit switch 12 SIP identities

  SJ1000 Mini Sport Action Camera 1080P Full HD H.264 Helmet Underwater 30m Features: 1. A water-proof shell that allows you to film fascinating aquatic sports; water-proof up to 30M 2. Video capture feature up to underwater 30M. 3. A 1.5-inch high definition screen that displays and replays the fascinating videos recorded. 4. Detachable battery easy to exchange, able to prolong its service life. 5. Video recording while charging. 6. Plug-in video recording. 7. 12-megapixel HD wide-angle lens. Specification: Liquid Crystal Display (LCD) 1.5LTPS (4:3) Lens 140A+ HD wide-angle lens Optical Zoom 4X Language Options English / German / French / Spanish / Italian / Portuguese /Chinese Traditional/ Chinese Simplified / Japanese / Russian Resolution of Video Recorded 1920x1080 / 1080x720 / 848480 / 640480 Format MOV Compressed Format of Video H.264 Resolution of Photos 12M / 8M / 5M Shooting Mode Single Shot / Self-timer (2s/5s/10s) / Continuous Shooting Frequency of Optical Source 50Hz / 60Hz USB Port USB 2.0 Power Port 5V 500MA Battery Capacity 1100MAH SD card up to 32GB(Not included) Package Included: 1 X SJ1000 Sport Camera 1 X USB Cable 1 X US Standard AC Charger 1 X Car Charger 1 X Cleanning cloths 1 X Waterproof Shell 1 X Screws & Screw Tools 1 X Shield 1 X Suction Cup Mount 1 X Helmet Mount 1 X Helmet Belt 1 X Handlebar Seatpost Mount 1 X Instruction Manual Color: One color only   Important shipping information and shipping guarantee To keep our prices as competitive as possible, all our items are drop shipped from our suppliers abroad, therefore your package may be inspected at customs. We cannot be held responsible for extra charges. Buyer Responsible For Customs Charges. Delivery options: Option 1: Standard International shipping - 21 to 25 business days and could be delayed due to circumstances out of our control. Option 2: Courier delivery - 5 to 10 business days. Courier shipping may attract admin/disbursement fees from the courier upon delivery for taxes paid, buyer responsible for payment. Please note that your delivery is GUARANTEED thus should you not receive your goods ordered within 60 business days of shipment that you will be refunded in full for the item/s purchased.

Use: This adapter makes it easy to connect the ESP8266 to the PC via the serial port. Feature: 1. Using CH340 serial chip, stable performance, good compatibility, almost all the Windows system can compatible. 2. Adapter board integrated 1000uF solid capacitor, to ensure that the current supply, don't make WIFI module with power problem crash no response. 3. Using 3225 chip crystal, to enhance the stability of the serial port. 4. Quantity: 10pcs Package includes: 10 x USB To ESP8266 Serial Adapter

Key Features: PLUG AND FORGET The tiny, leave-in nano receiver is always ready for use. Plug it in once to a USB portand forget about it. LOUD AND CLEAR Laser-tuned drivers minimize distortion, so you can enjoy clear calls and stereo soundwhile a noise-canceling microphone reduces background noise. UNLEASHED AUDIO Youre not chained to your deskmove freely up to 10 m (33 feet) away from your computer with reliable wireless. PLUG-AND-FORGET NANO RECEIVER So small and unobtrusive, you can plug it into a USB port and forget about it. Plug into more about the plug-and-forget nano receiver. LASER-TUNED DRIVERS Minimize distortion for clear calls and music. NOISE-CANCELING MICROPHONE You wont have to compete with background noise to be heardwhich means crystal clear calls with work, family and friends. FLEXIBLE, ROTATING BOOM You can position the microphone right where you want itand rotate it up so that it discreetly hides in the headband when youre listening to music or watching a movie. 2.4 GHZ WIRELESS Roam up to 10 m (33 ft.) from your PC using the tiny, leave-in nano receiver. SIX-HOUR RECHARGEABLE BATTERY Lets you chat and listen longerwhether youre at a desk or on the move. ADJUSTABLE HEADBAND AND EAR CUPS Designed to keep you comfortable. FOLD-AND-GO DESIGN The lightweight headset folds up like sunglasses when youre ready to hit the road. SIMPLE, ON-EAR CONTROLS You can adjust the volume and mute the microphone right from the headset. PLAYS NICE Works with common calling applications including Skype, Google Hangouts, Yahoo Messenger, and other calling services. SPECS & DETAILS SYSTEM REQUIREMENTS Windows or Mac OS Chrome OS USB port Works with Logitech Vid HD, Skype, Yahoo Messenger, Gmail, Windows Live Messenger and AIM. PACKAGE CONTENTS Headset Nano receiver USB recharging cable User documentation WARRANTY INFORMATION 2-Year Limited Hardware Warranty ***Please confirm stock availability before placing your order.***

Moshi's USB-C Multiport Adapter is a 3-in-1 hub that lets you connect additional peripherals to your USB-C or Thunderbolt 3 laptop. Utilizing the latest USB-C chips, this multi-function adapter supports crystal clear 1080p and 4K video output to any HDMI-enabled monitor or TV. A standard USB port is included to charge/sync your smartphone or connect other legacy devices such as an external USB hard drive or hub. The adapter also supports fast charging of your laptop thanks to pass-through power on the female USB-C port. An integrated Smart LED indicator lets you know when your computer is charged up, even when it's closed. Encased in aluminum and packed with advanced features, Moshi's USB-C Multiport Adapter is the quintessential companion for any USB-C laptop. Features Connect any USB-C or Thunderbolt 3 laptop to an external monitor or TV. HDMI output at 1080p (60 Hz) and 4K (30 Hz) resolutions. HDCP-compatible. Data transfer: supports USB 3.1 (Gen 1) at rates up to 5 Gbps. Power: supports fast laptop charging up to 60 W (20 V/3 A). Integrated Smart LED charging indicator. Supports multi-channel digital audio output on compatible devices. Unibody aluminum enclosure with reinforced stress relief for added durability. Folding cable design for sleek portability.

Promate Irock.4 Portable Mini Extendable Speaker for iPad, iPad 2, iPhone and iPod, MP3/MP4 players and other audio devices with 3.5mm audio jack Retail Box 1 Year Warranty Portable Mini Extendable Speaker for iPad, iPad 2, iPhone, iPod and more Product Overview The Promate iRock.4 is a pocket-sized mini speaker that delivers an impressive 3W of power. This speaker is specifically designed for the iPad, iPad 2, iPhone and iPod, but it can also be used in conjunction with any audio device that houses a 3.5mm audio jack port. The mini speaker of the iRock.4 provides outstanding sound clarity. This can be further enhanced by pressing lightly on the top of the unit and extending the speaker in order to increase bass tones in your music. The powerful mini speaker is powered by a rechargeable lithium-ion battery that offers hours of playback time. Recharging is simple and quick; attach the supplied USB cable to the iRock.4 and connect it to your laptop. Features • Ideal for watching movies or listening to music on netbooks and laptops • Compatible with the iPad, iPad 2, iPhone, iPod, netbooks, laptops, • MP3/MP4 players and other audio devices thanks to 3.5mm audio jack • Enhanced built-in amplifier and extendable speaker design for fantastic sound quality • Custom-tuned vacuum bass for low frequency response • Light-weight and portable; fits in your pocket • Mini USB port for convenient recharging of powerful lithium-ion battery Specifications • Power output: 3W • Impedance: 4 Ohm • Driver Unit: 40mm • Maximum playing time: 3 hours (approx.) • Charging time: 2 hours • Frequency Response: 80Hz-20K Hz • Signal to noise ratio: 80 dB • Battery type: Li-ion polymer 250mAh • Audio jack: 3.5mm Compatibility • iPad, iPad 2, iPhone, iPod, netbooks, laptops, MP3/MP4 players • and other audio devices thanks to 3.5mm audio jack Packing Contents • iRock.4 + USB cable + user manual + • crystal gift box +PE polybag

ARM Cortex-M0 STM32F051C8T6 STM32 Core Board Minimum Development Board Description: STM32F051C8 core board carry a STM32F051C8 chip. The most basic circuit board MCU, including power supply module, reset circuit, download circuit, etc. Lead to all the I/O port resources. Row needle spacing of 2.54 mm, small size, suitable for access to the user's system.Characteristics:MCU: STM32F051C8T6Kernel: Cortex- M0 32-bitStorage Resource: 64K Flash, 8KB SRAMCircumscribed Crystal Oscillator: 8MHzDebugging Download Interface: SWDPower supply of board: Mini-USB DC-5V.Board size: 33mm*53mmFeature:(1) The SWD interface, download and debug support.(2) The UART interface, download and communications support.(3) The on-board ASM1117-3.3 V voltage regulator chip;(4) The MCU pin interface, which leads to the VCC, GND and all I/O, convenient connection with various modules.(5)The power indicator light (red LED).(6)The green LED to light up the low level I/O (PC13), can be used for testing;(7) Reset button Instructions: This development carry a STM32F051C8T6 chip, all the pins of chip leads to convenient for the user to expand other modules. USB mini port and reset button. A SWD interface convenient for the user to download and simulation. Package included: 1 x ARM Cortex-M0 STM32F051C8T6 STM32 Core Board

Celestron Advanced VX Computerized Mount Product Info Engineered from the ground up with astroimaging in mind, the Celestron Advanced VX series Computerized Mount 91519 sets a new standard in mid-level telescopes. This Telescope Mount from Celestron provides you with many of the features found on Celestron’s most sophisticated German equatorial mounts, at an extremely affordable price. The Celestron Advanced VX Mount was specifically designed to provide optimum imaging performance for smaller telescopes. Now your smaller telescope can take advantage of All-Star Polar Alignment and autoguider support. You’ll be able to track through long exposures using permanently programmable periodic error correction. Image across the meridian without doing a meridian flip, so you can seamlessly image the best part of night sky. The Celestron VX Advanced Telescope Mounting System features significantly larger base castings than our previous design, improving stability under heavier loads. Improved motors offer more torque and can handle slight load imbalances with ease. Experienced imagers will love taking this portable mount to a dark sky site, with all the performance of their larger observatory mount. Or, if you’re new to imaging, the Celestron Advanced VX Mount for Telescopes will help you get started with the hobby and keep up with your needs for years to come. Specifications for Celestron Advanced VX Computerized Mount: Tripod: Adjustable, Stainless Steel Tripod Legs: 2" Weight (lbs): 46 lbs (21 kg) Power Supply: Car battery adapter EQ Mount Weight: 17 lbs (7.71 kg) Tripod Height (Max): 64" in (1626 mm) Tripod Height (Min): 44" in (1118 mm) Tripod Weight: 18 lbs (8.16 kg) Counterweight Bar: 12" Length, 0.75" Diameter lbs (5.44 kg) Counterweights: 1 x 11 lbs Payload Capacity: 30 lbs (14 kg) Latitude Range: 7-77 deg Motor Drive: Low cog DC Servo motors with encoders, both axes Slew Speeds: Nine slew speeds, 4 deg/sec maximum Tracking Rates: Sidereal, Solar and Lunar Tracking Modes: EQ North and EQ South Alignment Procedures: 2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align Communication Ports: 2x AUX ports, Autoguider port, RS-232 port (on hand control) Computer Hand Control: Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons Database: 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects Power Requirements: 12V DC 3.5A (tip positive) Internal Clock: Yes GPS: Optional SkySync GPS Accessory Features of Celestron Advanced VX Computerized Mount: Integer gear ratios and permanently programmable Periodic Error Correction eliminates recurring track errors from the worm gear. New motors offer improved tracking performance & provide more power to overcome load imbalances Updated industrial design offers more rigidity, less flexure and improved aesthetics New design allows viewing or imaging across the meridian without interference from the motors housings Improved latitude range. Can be used between 7 – 77 degrees latitude. Improved electronics with increased memory for future expansion NexStar+ hand control offers multiple language programming (English, French, Italian, German, Spanish) Package Contents: Celestron Advanced VX Computerized Mount

Polk S20 - HiFi Home Theater Bookshelf Speaker Pair Built to bring the big surround sound theater and music experience into the comfort of your living room, the Polk Signature S20 bookshelf speaker continues in the Polk tradition of American HiFi. Featuring Hi-Res certification, a new Dynamic Balance designed acoustic array, precision cross-overs, an anti-diffraction grille, modern cabinet styling and exclusive Power Port bass enhancing technology, you get elevated sound for movies, TV and music in a totally re-imagined design. Polk—expect great sound. Enjoy rich, clean, full-range sound for movies, TV and music with Polk's new Dynamic Balance designed acoustic array (1) 1" high-resolution Terylene tweeter for crystal clear high frequency response that perfectly reproduces the latest high-resolution audio files (1) 6.5" low distortion mica-reinforced polypropylene cones for clean, clear bass, better linearity, and increased dynamic mid-range Exclusive Polk Power Port for greater, more impactful bass

     Enjoy Music Any Time Anywhere!!   LED crystal magic ball light USB port SD card port FM scan radio Stereo Flashes multi-colours Great for creating a vibrant ambiance We are able to deliver at an EXTRA FEE. TERMS & CONDITIONS:   Payment due with 72 hours of closure. No RETURNS & NO REFUNDS! Please strictly No time wasters!!! I guarantee full customer satisfaction and superb service with every purchase so no need for my items to be sent back. In the unlikely event that you have doubts about your purchase, please feel free to contact me right away so I may shed light on the situation and add clarity. I consider myself to be a very fair and honest individual. I do value your custom and despise deceit of any kind. Due to the high volume of listings it is very possible for typographical errors. DO NOT LEAVE ME A NEGATIVE OR NEUTRAL FEEDBACK until you have tried to resolve the issue as it can be very misleading to other buyers. Please remember to ONLY leave your honest (Positive) feedback upon receipt of your item.

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Use: This adapter makes it easy to connect the ESP8266 to the PC via the serial port. Feature: 1. Using CH340 serial chip, stable performance, good compatibility, almost all the Windows system can compatible. 2. Adapter board integrated 1000uF solid capacitor, to ensure that the current supply, don't make WIFI module with power problem crash no response. 3. Using 3225 chip crystal, to enhance the stability of the serial port. 4. Quantity: 3pcs Package includes: 3 x USB To ESP8266 Serial Adapter 3Pcs Geekcreit USB To ESP8266 Serial Adapter Wireless WIFI Develoment Board Transfer Module 3Pcs Geekcreit USB To ESP8266 Serial Adapter Wireless WIFI Develoment Board Transfer Module 3Pcs Geekcreit USB To ESP8266 Serial Adapter Wireless WIFI Develoment Board Transfer Module