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2PCS/LOT Standard Voltage Sensor ModuleSize: 25mm×13mm/0.98"×0.51"(approx)   This module is based on principle of resistive voltage divider design,   can make the red terminal connector input voltage to 5 times smaller.Arduino analog input voltages up to 5 v,   the voltage detection module input voltage not greater than 5Vx5=25V   (if using 3.3V systems, input voltage not greater than 3.3Vx5=16.5V).   Arduino AVR chips have 10-bit AD, so this module simulates a resolution of 0.00489V (5V/1023),   so the minimum voltage of input voltage detection module is 0.00489Vx5=0.02445V.   Voltage input range : DC0-25 V   Voltage detection range : DC0.02445 V-25 V...
read and write module, sd card module slot socket reader arm mcu for arduinoif you want to buy, please contact us.this is a wonderful wenigsd card interface module. it is easily connected as a peripheral to your arduino sensor shield module. through programming, you can read and write to the sd card to your arduino. features:1. input voltage: 3.3 v / 5 v2. can be used for sd card eaisly as fürkamera dv / dvr / gps / tablet / mp3 player, mcu / arm system control.3. all sd spi pins: mosi sck, miso and cs, for further connection4. through programming, you can read and write to the sd card to your arduino5. make your sd application of simple and easy package includes:1 xsd card module
Features:1, the product featuresProducts for WTV020 chip module plug the SD card, supports 32M ~ 1GBit capacity card;Supports the FAT file system, SD card as storage medium;And supports playback of WAV format files 4Bit ADCPM;Supports automatic speech recognition folders and file playback;You can play background music and commercials language;Control methods are key control, second control and UART232 serial control;WTV master chip has WTV020-16SOP and WTV020-20SOP two packages, both of which are compatible;You can play any segment of speech;Operating voltage: DC2.6 ~ 3.6V;Classified by folder store content, easy to operate.2 Product OverviewWTV020 plug-in SD card Voice module, the main chip selection WTV020-16S and WTV020-20S package chips. Voice updates directly through an SD card reader...
describeAMS1117 3.3 v stromversorgungs module1, on board ams1117 - 3.3 chip2, the input voltage range of 4.75 v to 12 v3, on-board display, show device is turned on4, board size (mm): 18.5 x10.5 (mm) shipping list.ams1117 3.3 v stromversorgungsmodul x 50
Specification:  Brand new and high quality.Type:AM2302.Accuracy resolution:0.1.Humidity range:0-100%RH.Temperature range:-40~80°.Humidity measurement precision:±2%RH.Temperature measurement precision:±0.5°.4-pin package.Ultra-low power.No additional components.Excellent long-term stability.All calibration, digital output.Completely interchangeable.Long distance signal transmission.Relative humidity and temperature measurement.  Shipping Included:1PCS*AM2302 Temperature and Humidity Sensor
Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking infTracking info of  China Post Ordinary Small Packet Plus can be check here : AHRS Nine Axis inertial navigation sensor Module Electronic compass tilt compensation ModuleModule size: 15.5 mm * 15.5 mmCommunication mode:1. The serial port (9600115 200), 2. The SPI communication line (4)Power supply: 3V - 5V 15 maOutput update frequency 200HZ,Resolution of 0.1 degrees Direct output:1. The euler Angle (YAW ROLL PITCH)2. Nine shaft sensor raw data (triaxial acceleration, three-axis gyroscope, three-axis magnetometer)3. The four elements in the ...
Lolin  ESP32 describe  Ineinfuhrung: ESP32 is already integrated antenna and rf balun, power amplifier, low noise amplifiers, filters, and the power management module. the entire solution is the least amount of pcb area. this board is 2.4 ghz dual mode wi fi and bluetooth chips by tsmc 40nm low power technology, power and rf characteristics of best, which is safe, reliable, and scalable to a wide range of applications. Features: high performance - price - ratiosmall volume, easy embeded to other productsstrong function, with the support of lwip protocol, freertossupport three modes: ap, sta and ap + stasupport for lua program, easy to develop Click the link for more details:
What's new with D1 mini Pro V1.1.0 500mA resettable fuse New 3dB ceramic antenna  Optimize antenna circuit  Shipped according to the kind of your choice   First kind shipping list: D1 mini Pro V1.1.0 - 16M x1pcsLange weibliche pins x2pcsKurze weibliche pins x2pcsNormal pins x2pcs  Second kinds shipping list: D1 mini Pro V1.1.0 - 16M x1pcsesp8266 series wifi wireless Small antenna x1pcsLange weibliche pins x2pcsKurze weibliche pins x2pcsNormal pins x2pcs Second kinds shipping list: D1 mini Pro V1.1.0 - 16M x1pcsesp8266 series wifi wireless&...
Features:Onboard Module:ESP8266 WIFI Module,can connect 5 client at the same time on the mode of APWorking Method:Mobile phone equipped with Wifi moduleMobile phone and wifi module equipped with one router,and control the relay by APPOnboard Relay:5V,10A/250V AC 10A/30V DC relay Package Included:1PCS X  ESP8266 5V Wifi Relay Module
TTGO T-Deer Pro mini LoRa 433MHz/868MHz/915MHz Mega328 for arduino Hardware SpecificationsChipsetAtmega328PFLASHQSPI flash/SRAM, up to 4 x 16 MBKEYresetPower indicator lampredlora TTGO LORA 433Mon-board clock16MHz crystal oscillator working voltage2.3V-3.6Vworking currentabout 8mAworking temperature range-40℃ ~ +85℃size51.13mm*27.25mm*12.29mmPower Supply SpecificationsPower SupplyUSB 5V/1Acharging current500mAbattery3.7V lithium batteryPin reference descriptionProduct DetailsShipping List433MHz Shipping LIst868MHz Shipping LIst915MHz Shipping LIst产品包装后的尺寸 :15 Centimeters * 13 Centimeters * 8 Centimeters产品包装毛重 :0.045 Kilogram
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