Category: Board & Shield
Showing 321–336 of 353 results
RFID Card Reader Elevator Duplicator Access Control Card Reader Proxmark3 Easy 3.0 512k Memery
$114.82Card ReaderAdd to cartFeatureBasic ParameterModelPM3Easy 3.0Working Voltage3.5- 5.5 VWorking current50-130 mASize54 *96 * 86.6 mmThickness6.2 mm( Thinest), 9.8 mm ( with screw), 15.8 mm ( with LF antenna)OtherWhen LF antnena installed on the right LF antenna:29.84 V @ 125.00 kHz LF antenna:32.31V @ 134.00 kHz HF antenna:28.43V @ 13.56 MHzWhen LF antnena installed on the left LF antenna:43.86 …
RobotDyn Compact RFID Reader NFC Module MFRC522 Writer 13.56MHz 5V 3.3V
$19.67Card ReaderAdd to cartFeatureThis RFID modules base on MFRC522 IC and that can read and write Mifare’s tags. The microcontroller and card reader uses SPI or 12C for communication. The card reader and the tags communicate using a 13.56MHz electromagnetic field.The RFID MFRC522 module supports MF1xxS20, MF1xxS70 and MF1xxS50 tags. The RFID MFRC522 module supports contactless communication and …
RobotDyn Compact RFID Reader NFC Module MFRC522 Writer 13.56MHz 5V 3.3VRead More
Robotdyn RFID Reader Writer NFC Module MFRC522 Board
$17.13Card ReaderAdd to cartFeatureThis RFID module base on MFRC522 IC and that can read and write Mifare’s tags. The microcontroller and card reader uses SPI for communication. The card reader and the tags communicate using a 13.56MHz electromagnetic field. The RFID MFRC522 module supports MF1xxS20, MF1xxS70 and MF1xxS50 tags. The RFID MFRC522 module supports contactless communication and uses …
Robotdyn RFID Reader Writer NFC Module MFRC522 BoardRead More
Rotating Potentiometer Knob Cap Digital Control Receiver Decoder Module Rotary Encoder Module
$6.55Decoder BoardAdd to cartDescriptionWorking voltage:DC 5VA circle of pulse count:20– Rotary encoder through rotation direction and reverse direction can count is in the process of the number of output pulse, rotating counter unlike potentiometer, the rotation count there is no limit.Cooperate with the buttons on the rotary encoder, can be reset to the initial state, that is, from …
RS232/485 Serial Port to GPRS DTU/GSM Wireless Data Transmission Module USR-GPRS232-730
$95.09Network ModuleAdd to cartFeatureProject:DescriptionProduct name:USR-GPRS232-730:GPRS DTUInternet:Standard:GSM / GPRSRate:14.4 Kbps ~ 57.6 KbpsStandard frequency band:850/900/1800/1900MHz quad frequencyGPRS Multi-slot Class:GPRS Class 10GPRS Terminal Device Class:Class BGPRS Coding Schemes:CS1 ~ CS4Maximum transmit power:GSM900 class4 (2W), DCS1800 class1 (1W)Application method:GSM standard AT command set / someone extended AT command set / data transmission / short message transmissionNetwork protocol:TCP, UDP, DNS, HttpNumber of …
RS232/485 Serial Port to GPRS DTU/GSM Wireless Data Transmission Module USR-GPRS232-730Read More
RS485 to Ethernet Serial Server TCP/IP Networking Communication Equipment TCP232-304
$59.04Network ModuleAdd to cartFeatureWorking voltage/current:DC 5.0-7.0 V, 150mA@5VSerial port baud rate:600-230.4K (bps)Network protocol:IP, TCP, DP, ARP, ICMP, IPV4, HTTPTransparent transmission method:TCP Server/TCP Client/UDP Server/UDP ClientMaximum TCP connections:Support up to 16 TCP connections (customizable)Operating temperature:-25 75CSize:73.2*70*25 mm (L*W*H) including terminals and earsHTTPD Client:Support (GET/POST)IP obtaining method:Static IP, DHCPUser configuration:Software configuration, web page configuration, AT command configurationPackage includes1 x Module
SANWU Mini Usb Colorful LED Night Light Board for Power Bank Computer Laptop
$5.29LED BoardAdd to cartDescriptionThis is a Colorful LED USB lamp, can work with a variety of modes:Always flashing,Colorful discoloration, White, Yellow, pink, ice blue, violet, red, green, blue.Package included1 x Mini USB LED board
Schumann Wave Generator 7.83Hz 20W Power with Housing Low Frequency Generator 7.83HZ Sine Wave
$54.66Generator ModuleAdd to cartParameterProduct name:Schumann wave generator/very low frequency generatorMainboard power supply:DC 24V /2AOutput power:peak 20WAdapter power supply parameters:AC 100-240V 50HZOutput frequency:7.83HZOutput waveform:sine waveMotherboard size:9CM length * 5CM width * 2.5CM heightFeaturesSchumann wave itself does not directly act on audio or video products to improve the sound quality and picture quality, but on the space environment, the human …
Schumann Wave Generator Extremely Low Frequency Pulse Generator 7.83HZ
$24.04Generator ModuleAdd to cartSchumann wave applied to HIFI1. The player has certain HIFI experience, and the level of HIFI equipment should not be too low;2. Be able to hear and distinguish the timbre changes brought about by different wires on the same system;3. It is recommended to buy two sets for trial (the effect is better);4. Put the …
Schumann Wave Generator Extremely Low Frequency Pulse Generator 7.83HZRead More
Serial Communication Server RS232/485/422 4-port to Ethernet Device Networking USR-N540
$247.33Network ModuleAdd to cartFeatureClassification:Parameter:ValueHardware parameters:Operating Voltage:DC5∥36 VWorking current:95mA@5VEthernet port specifications:RJ45, 10/100Mbps, crossover direct connection adaptiveSerial port baud rate:600-230.4K (bps)Software parameters:Network protocol:IPV4, TCP/UDPIP obtaining method:Static IP, DHCPDNS:stand byUser configuration:Software configuration, web configurationSimple transparent transmission method:TCP Server/TCP client/UDP Server/UDP ClientModbus:Support Modbus gatewayWeb page to serial port:Web page to serial port that supports WebSocket communication modeCustom webpage:stand byClass RFC2217:stand byHttpd Client:stand …
Serial Communication Server RS232/485/422 4-port to Ethernet Device Networking USR-N540Read More
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Ebyte E810-DTU(CAN-ETH) Smart Protocol Conversion GPRS Modem Modbus to TCP/IP CAN Bus Ethernet interface Modbus RTU Gateway
$96.54Smart ModuleAdd to cartSpecificationItemsDescriptionInterfaceEthernet:RJ45, 10/100MbpsCAN:1*5*3.81, ScrewingNetwork protocolIP,TCP/UDP, ARP, ICMP, IPV4Simple transparent transmissionTCP Server,TCP Client,UDP Server,UDP Client,Cloud transparent transmissionData Packing MechanismByte packing and time packingTCP Server connectionSupporting up to 6 TCP connectionsIP accessStatic IP,DHCPDNSSupportCAN Transmit baud rateA total of 15 baud rates from 6Kbps-1000KbpsCAN filtering modeUp to 8 filtration modesCAN data layoutProtocol formatParameter configurationWeb page configurationWorking current82mA@12VVoltage8V~28VDC,Over 28V may …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger Module
$4.36Battery Protection ModuleAdd to cartSpecificationProduct name:Lithium Battery Charging BoardInput voltage:5VMaximum charging current:1000 mACharge cut-off voltage:4.2 V + / – 1%Battery overcharge protection voltage:2.5 VBattery over-current protection current:3 AInput interface:micro USBSize:27mm x 17mmHow to Use1. Input port with micro 5pin USB female, can directly use mobile charger for input to the lithium battery,and still retain the input voltage wiring solder …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger ModuleRead More
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double Channel
$77.83Amplifier BoardAdd to cartFeatures– Working Voltage:6-18V DC– The onboard TDA7297 audio power amplifier chip, double channel 15WX15W– Speaker for European 4-8 10-50W use– Main pin has led chip, convenient external control device, the onboard– 5.08 (mm) distance between two p terminal 2 road, around a track connection output respectively– The onboard dial potentiometer, output size can adjust the …
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double ChannelRead More
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control Module
$20.57Smart ModuleAdd to cartFeatureSeries:ESP32Model:ESP32-+MicroType:Regulator ICPower:1WApplication areas:household appliances, smart home, wearable devices, Internet of Things IoTDescriptionsESP32 vcc range:2.2V-3 6VVBAT:direct to battery (and charger)VUSB:direct to USB(5V)VCC:Output of regulator 3.3V/600mAUp to 250mA during RF transmissionsWirelessWifi:802.11 b/g/n/e/iWPA/WPA2/WPA2-Enterprise/SPSbluetooth:bluetooth 42BLESize:1.9×1.3cm/0.75×0.51inchNotePlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the …
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control ModuleRead More
50Pcs 915MHz SW915-TH12 Copper Spring Antenna for Wireless Communication Module
$28.90Module ComponentsAdd to cartFeaturesSW915-TH12 copper spring antenna is a special antenna for 915MHz wireless communication system design. The antenna has good standing wave ratio, compact shape, ingenious structure, convenient installation, stable performance and good anti-vibration and aging ability.SpecificationFrequency range:915 MHz (+/-5)Standing wave ratioInput impedance:50Maximum power:5WGain:2.15 dBiWeight:1gHeight:12.5+/-1 mm (9T)Antenna color:copperInterface Form:Direct WeldingPackage included50 x Antenna
5Pcs 360 Degree Rotary Encoder Module Encoding Module
$11.83Other Module BoardAdd to cartFunctional characteristics and technical parameters 1)Nominal voltage:DC 5V 2)Wire A, B:0.5mA (Max 5mA; Min 0.5mA) 3)Common wire:1mA (Max 10mA; Min 0.5mA) 4)Temperature range:-30→ to+80→ 5)Output signal A , B phase position output square wave, when clockwise rotation, A phase position pull ahead B phase position 90 °, when anti-clockwise, B phase position pull ahead A …
5Pcs 360 Degree Rotary Encoder Module Encoding ModuleRead More
RD21F Delay Relay Module Power for Delay off Fan Module AC 100V-220V Time 0.2S-300min Adjustable Delay
$13.11Relay ModuleAdd to cartSpecificationsVoltage:100V-220V ACPower consumptionOutput:The output voltage is the same as the input voltage, and the maximum power supply capacity is 10A.Size:88* 36 * 22mmScrew hole:center distance 83mm * 31mm, aperture 3.2mmTime range:(4 files, selected by switch)First gear:range 0.2 seconds-30 seconds, accuracy:0.1 secondsSecond gear:range 0.2 seconds – 300 seconds (5 minutes), accuracy:0.3 secondsThird gear:range 0.2 seconds-30 minutes, …