DollaTek SIMCOM SIM900 GSM GPRS Quad-Band Modules 2G Development Shield Board for R3 Mega with Antenna
Quad-Band 850/900/1800/1900 MHz - could work on GSM networks in all countries around the world, work with Uno Mega.
Embedded TCP / UDP stack - allows you to upload data to a Web server | RTC supported | selectable serial port | Jac speakers and headphones.
Note: This is a new version (64M version), SMS support MMS: Multimedia message and Short Message Service - so it is possible to send small amounts of data over the network (ASCII or raw hexadecimal).
The shield allows you to get SMS, MMS, GPRS and audio via UART by sending AT commands (GSM 07.07, 07.05 and SIMCOM enhanced to commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module (They are all 2V8 logic) present on board..
Application: M2M (Machine 2 Machine) Applications.Remote control of appliances.Remote Weather Station or Wireless Sensor Network.Vehicle tracking system with a GPS module.Good to learn GSM / GPRS mobile phone development, control development of remote equipment, wireless meter reading, smart appliances, ultra long distance control, etc..
ZBAITU A40 Laser Engraver, 80W Laser Engraving Cutting Machine, 10W Optical Power High Accuracy Lazer Engraver Cutter for Metal and Wood Acrylic Leather DIY, Logo Carving, Support LightBurn
【Overview】ZBAITU A40 laser engraver cutter has 80W machine power and 10W laser output power, with air assist nozzle, 0.08mm high accuracy diode, perfect for engraving metal, wood, leather glass etc, ZBAITU A40 laser engraving machine can also directly craft smooth stainless steel, meet your rich creative needs.
【Excellent Laser Module】Laser engraving cutting machine ZBAITU A40 is equipped with ZBAITU C80 laser module, real 10W laser output power greatly increase engraving and cutting speed.
Newest FAC process, the laser compression point is as tiny as 0.08mm, the finer engraving and cutting lines can be effectively reducing burn marks.
The upgraded air nozzle has stronger air flow will blow away scraps and smog, effectively reducing lens pollution.
【Solid Structure & Easy Installation】All metal frame design makes ZBAITU A40 laser engraving cutting machine more stable, reduce the vibration when working and improve the accuracy of engraving, with less noise and longer service life, A40 laser engraver cutter entire structure designed as quick assembly.
【Wide Compatibility】High power ZBAITU A40 laser engraver cutter perfectly compatible with various engraving software, such as LaserGRBL, LightBurn, support Win XP / Win 7 / Win 8 / Win 10,....
【CHANGEABLE IIC ADDRESS】: The built-in standard driver chip SSD 1306 already exists in the libraries of Raspberry Pi and 51 Series,which makes programming very easy. This oled display can be used with different machine easily..
【128 X 64 PIXELS】: With high resolution of 128 x 64 pixels, no need backlight, self-illumination, pixels stand outvery well even in a brighter circumstances like full sunlight..
【COMPATIBLE WITH MANY CONTROL CHIPS】: This oled display can be widely use with 51 series, MSP430 series, STM32/2, CSR IC, etc. 4PCS male pins makes the lightweight connecting easily..
【WIDE FIELD OF CLEAR VIEW】: 0.96inch OLED display module supports 180 degrees of view from up to down and right and left, which is convenient for you to clearly observe the information displayed from different angle..
【EASY TO INSTALL】: With four square holes, our I2C OLED display module can be installed easily, truly convenient to use and simple you working..
ZBAITU M37 Laser Engraver, 40W Laser Engraving Cutting Machine, 5.5W Optical Power High Accuracy Lazer Engraver Cutter for Metal and Wood Acrylic Leather DIY, Logo Carving, Support LightBurn
【Overview】ZBAITU M37 laser engraver cutter has 40W machine power and 5.5W laser output power, with air assist nozzle, 0.08mm high accuracy diode, perfect for engraving metal, wood, leather glass etc, ZBAITU M37 laser engraving machine can also directly craft smooth stainless steel, meet your rich creative needs.
【Excellent Laser Module】Laser engraving cutting machine ZBAITU M37 is equipped with ZBAITU C40 laser module, 5.5W laser output power can engraving and cutting fast enough.
Newest FAC process, the laser compression point is as tiny as 0.08mm, the finer engraving and cutting lines can be effectively reducing burn marks.
The upgraded air nozzle has stronger air flow will blow away scraps and smog, effectively reducing lens pollution.
【Solid Structure & Easy Installation】All metal frame design makes ZBAITU M37 laser engraving cutting machine more stable, reduce the vibration when working and improve the accuracy of engraving, with less noise and longer service life, M37 laser engraver cutter entire structure designed as quick assembly.
【Wide Compatibility】High power ZBAITU M37 laser engraver cutte....
WEOK Puppy Heartbeat Toy, Dog Heartbeat Toy for Separation Anxiety Relief, Puppy Toy with Heartbeat Stuffed Animal Anxiety Calming Behavioral Aid Plush Toy for Dogs Cats Pets
Anxiety Relief: This heartbeat puppy toy simulates an atmosphere of accompany, it can help puppies and cats to relief the separation anxiety, loneliness, go through the tough time and adapt the new home or other complex environment. it is a good behavioral training aid toy which could comfort your puppies sleep better..
Behavioral Training Aid Toy: With a simulation true pulsing heartbeat module, the puppy heartbeat toy simulates an environment that the pets are not alone and someone is with them. it is a good companion and a sleep training aid tool for your puppies and pets..
Heartbeat Simulator Module: The heartbeat Simulator need 3 AAA batteries(No battery included in the package). Press the button, then the heartbeat module works. Easy to operate..
Durable and Washable: The puppy plush toy is made of comfortable and high quality fabrics, support machine washable on gentle cycle, just remember to remove the heartbeat simulator before cleaning..
Our Service: we hope to provides the best company and comfort to puppies, cats. If you have any question, please do not hesitate to contact us. We will feedback to you ASAP..
12PCS Photosensitive Sensor Module Digital Light Intensity Detection for Electronic Practice DIY
Product Name: GY-271 QMC5883 L module (Triple Axis Compass Magnetometer Sensor Module/3 Axis Electronic Compass Module Magnetic Sensor Module/3 axis magnetic field module)..
Means of communication: IIC communication protocol.
High quality sink gold PCB, mechanical welding process, to ensure quality.The sensor converts any magnetic field to a differential voltage output on 3 axes..
Wide Application: GY-271 QMC5883L 3-Axis Magnetic Electronic Compass Module is small size of only 13 mm × 14 mm, it can be accommodated in small equipments such as drones reconnaissance aircraft and robot navigation system, mobile phone, laptop computer, car navigation system..
