Reviews Technical Documentation

Optical Fingerprint Reader Sensor Module Door Lock Access Control Red Light for Arduino Mega2560 UNO R3 Geekstory

  • Optical fingerprint sensor secure your project with biometrics. This fingerprint module can be used for fingerprint collection, fingerprint registration, fingerprint comparison and fingerprint search, it's easy to use, so its perfect for any project.
  • Fingerprint sensor module can work with any microcontroller which with serial port: such as compatible with arduino, 51, avr, stm32, pic, arm, msp430.
  • Package Includes:1 X Optical Fingerprint Reader Sensor, 2 X Cable. You can enroll new fingers directly - up to 240 finger prints can be stored.
  • Applications: Fingerprint door locks, safes, guns, financial and other security areas.
  • Access control systems, industrial computers, POS machines, driving training, attendance and other areas of identity.
  • fingerprint payment and other financial areas.
  • The fingerprint moudle documentation link cannot be displayed. If you need technical documentation, please click “Geekstory”(you can find "Sold by Geekstory" under Buy Now button), in the new page, click “Ask a question” to email us.
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Bosch Greentherm C 1050 ES NG Tankless Water Heater, Natural Gas

  • Benchmark temperature stability achieved with an active bypass.
  • Inlet water filter featuring easy external access.
  • Concentric up-and-out venting for single boilers and two to four unit single pipe cascades.
  • Introducing the water heater mobile app for sizing and technical documentation downloads.
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1460Pcs 1/4W 73 Values 1% Precision Metal Film Electronic Resistor Assortment Kit Set 1ohm-1Mohm Geekstory

  • ★【High Quality】：Resistance Tolerance: ±1%.
  • Power: 1/4w. 1/4w metal film and thicker metal pins for better connection, low temperature coefficient and stable performance, which help you complete the electrical experiments faster and smoother.
  • ★【Applicable】：The resistor set can be applied to Arduino projects and other electronic and electrical experiments.
  • ★【Easy to Use】: Each ohm resistor is individually wrapped and the additional labeling of each variety guarantees you maximum convenience - no long searches necessary for easy organization without reading ribbons, and 20 pcs per plastic bag. Our different value resistor assortment kit will meet all your needs.
  • ★【What You Get】: 1/4W (0.25W) Metal Film Resistor Assortment Kit (A handy color chart is included with the set) with convenient packaging for convenient storage and use. Resistor assortment kit contains 1460pcs resistors with 73 values. Enough quantity for your DIY project and experiments.
  • ★Documentation link cannot be displayed. If you need technical documentation, please click "Geekstory" (You will find "Sold by Geekstory" under the "Buy Now" button), click "Ask a question" on the new page to send an email.
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Geekstory BN-220 Dual GPS Glonass Module Navigation TTL Level 9600bps + GPS Passive Antenna for Arduino Raspberry Pi Pixhawk F3 CC3D Betaflight F4 Flight Control

  • BN-220 gps module has flash to save configuration, so you do not need to reset data next time when you use it. But it has no compass. If you need gps with flash and compass, please buy bn-880 from Geekstory..
  • When you use it for Raspberry Pi, there is no driver needed but you need to install software.
  • The TX LED flash means gps module output normally.The PPS LED flash means gps module locate your place..
  • Data Level : TTL or RS-232,Default TTL level. To make it be RS232 output, you need to use one TTL to RS232 converter cable.
  • BN 220 gps module documentation link cannot be displayed. If you need technical documentation, please click “Ask a question” to em-ail us.
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Electrodepot Negative Ion Generator - High Voltage ionizer 7.5Kv Plasma Module 110-120 VAC

  • Operation 12VDC Lab ionizer ion output up to -10Kv. For Applications in Laboratiries, Clean Room, or Home Included technical documentation to test the negative ion density Component used in HVAC and VAV systems.
  • No More mold spores, pollen, pet dander, odors, cigarette smoke, bacteria, viruses, dust.
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WatchGuard Firebox T40 Standard Support Renewal 1-yr (WGT40201)

  • ...corporate headquarters, with RapidDeploy technology to make remote deployment easy..
  • Standard Support includes access to all software updates and patches, new feature releases, and broadcast updates and alerts as well as advance hardware replacement. Technical training and certification are available throuhg product documentation and guides, technical training materials, and access to a moderated customer forum..
  • Upgrade your protection and use our Basic Security Suite or Total Security Suite that includes all of the traditional network security services such as IPS, GAV, and more for comprehensive, enhanced protection against all threats. This Standard Support bundle includes 24x7 access to technical support, with an unlimited number of incidents with a targeted response time of 24 hours for low priority, 7 hours for medium priority, 4 hours for high priority, and live calls for critical priority..
  • Our Basic Security Suite brings the standard network security protection you know to your appliances: It includes our Standard 24x7 Support, intrusion prevention, gateway antivirus, application control and more. Use our Total Security Suite for a higher level of protection: It includes traditional services, plus AI enhanced advanced malware protection, DNS l....
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Tape Saturation

  • ACCURATE AND RELIABLE - Accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in 10 seconds and display it conveniently on a large digital LED display..
  • SPORT/HEALTH ENTHUSIASTS - For sports enthusiasts like mountain climbers, skiers, bikers or anyone interested in measuring their SpO2 and pulse rate. SpO2 and Pulse Rate now faces instead of away from the user for easy read..
  • EASY TO USE - Taking a reading is easy, just clip it on to your finger and turn it on at the press of a button. In the product details section of this page, please refer to the application guide, product documentation, troubleshoot guide and quick start guide for important information to know before using this item..
  • ACCOMODATES WIDE RANGE OF FINGER SIZES - Finger chamber with SMART Spring System. Works for ages 12 and above..
  • LOADED WITH ACCESSORIES - Include 2X AAA BATTERIES that will allow you to use the pulse oximeter right out of the box and a LANYARD for convenience. Comes with 12 months WARRANTY and USA based technical phone support..
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Pokemon Raihan 152/203 Evolving Skies Trainer Supporter Card Playset x4

  • ACCURATE AND RELIABLE - Accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in 10 seconds and display it conveniently on a large digital LED display..
  • SPORT/HEALTH ENTHUSIASTS - For sports enthusiasts like mountain climbers, skiers, bikers or anyone interested in measuring their SpO2 and pulse rate. SpO2 and Pulse Rate now faces instead of away from the user for easy read..
  • EASY TO USE - Taking a reading is easy, just clip it on to your finger and turn it on at the press of a button. In the product details section of this page, please refer to the application guide, product documentation, troubleshoot guide and quick start guide for important information to know before using this item..
  • ACCOMODATES WIDE RANGE OF FINGER SIZES - Finger chamber with SMART Spring System. Works for ages 12 and above..
  • LOADED WITH ACCESSORIES - Include 2X AAA BATTERIES that will allow you to use the pulse oximeter right out of the box and a LANYARD for convenience. Comes with 12 months WARRANTY and USA based technical phone support..
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VK-162 G-Mouse USB GPS Dongle Navigation Module External GPS Antenna Remote Mount USB GPS Receiver for Raspberry Pi Support Google Earth Window Linux Geekstory

  • VK-162 GPS support windows and linux system, not for android and IOS system. It is NOT plug and play for most device. You must install driver before make it work..
  • The cable length is 190cm. The USB GPS is a great, easy, and an awesome solution for travelers.It works anywhere around the world. After you download the maps for the country traveling, it will pin point exactly where you are without having to pay any service..
  • It is a magntized antenna,if get the GPS signal,please use the GPS module outdoor,If you want to use the GPS module indoor,please install GPS signal amplifier in your room.
  • This usb gps can be used for mac computer, but it requires very professional technical skills..
  • Documentation you can find at the bottom of the details page - Product guides and documents: (User Manual (PDF), which contains details on how to use and links to the drivers..
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JYETech ‘DSO Shell’ Oscilloscope DIY Kit w/Enclosure & Clip Probe by Nooelec. Low Cost Digital Storage Oscilloscope with 2.4″ TFT LCD. Model DSO150 (DSO 150); SKU 15001K

  • Includes everything you need to build your very own oscilloscope! A clip probe, plastic enclosure, and full product documentation are included..
  • DSO150 (15001K) kit is an upgrade to the popular DSO138 scope kit. Contains a 2.4″ color TFT LCD (320×240) display and optical encoder for navigation.
  • We strive to send the most current revision available. The current PCB version shipping for this listing is revision ‘E’, which has a variety of enhancements over previous versions. For more information on product changes, please visit the product page on NooElec’s or JYETech’s website.
  • Counterfeit versions of this product are available from other Amazon sellers. NooElec is an authorized distributor of JYETech products, which can be verified through their website or your device serial number. Warranty and support service through JYETech is included in your purchase.
  • 24/7 support service. We speak your language! Please contact our support team if you have any questions about your product, technical or otherwise.
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