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Zero CJMCU-219 module is an I2C interface with a drift, bi-directional current / power monitor integrated circuit (IC), and further expand the energy-saving electronic products TI camp. INA219 with the industry's highest accuracy and smallest size, not only to monitor the voltage drop across a shunt resistor on the sensing shunt supply voltage, while also computing power. The device is available in a SOT23 package, providing a small digital current sensing servers, laptops, power supplies, battery management and automotive and telecommunications equipment, low-cost solutions. INA219 at -40C to + 1% can be achieved within the maximum error accuracy 85C temperature range, the maximum offset is 100 uV. The high-precision products combine the advantages of 12-bit resolution, as much as po...
X-Ring RGB WS2812b LED Module For 8266 RGB Built-in LED 12 Colorful LED Module For WAVGAT  ESP8266 RGB
Notice:   The new tracking number for  Yanwen Economic Air Mail can be traced only befor it arrive the airport of your country,please choose  Special Line-YW/China Post Air Mail or AliExpress Standard Shipping.if you want a full tracking info.The same product will arrive in 15 to 60 days.Tracking info of  Yanwen Economic Air Mail can be check here: www.17track.net/en
The shield is designed based on esp8266 by Espressif Systems,pin-compatible with Arduino UNO/Mega2560 DevBorad. WiFi module is industrial-grade chips ESP8266,which is  ESP-WROOM-02( 16 Mt bit)   with metal shield, strong anti-interference ability; Shield is pin-compatible with Arduino Uno, Mega2560 and other control board.A voltage converter chip is used to deal with 3.3V (Esp8266) and 5V (Arduino); Dual DIP switches is used for serial ports so thatthis module shield can be used alone as an Arduino Uno expansion board,and also be used as ESP8266 expansion board; Serial data is transported to WiFi device transparently, and vice versa.Arduino program does not need any configuration; WebServer is developed to configure WiFi parameters and...
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 : www.17track.net/enShipping list: 1. ProtoBoard shield x1pcs If you want to form a complete set, please click link buy: https://www.aliexpress.com/item/Free-shipping-New-wemos-wifi-ESP8266-NODEMCU-esp-wroom-02/32782841008.html?ProtoBoard Schild for esp-wroom-02If you want to buy a suit, please click on the link to buy:https://www.aliexpress.com/item/ProtoBoard-Schild-for-esp-wroom-02-doppelseitige-perf-board-Kompatibel-wemos-nodemcu-esp8266-wifi/32782849026.html?
Notice:   The new tracking number for  Yanwen Economic Air Mail can be traced only befor it arrive the airport of your country,please choose  Special Line-YW/China Post Air Mail or AliExpress Standard Shipping.if you want a full tracking info.The same product will arrive in 15 to 60 days.Tracking info of  Yanwen Economic Air Mail can be check here: www.17track.net/enWelcome! Up for sale is an OLED display for use with the Wemos D1 Mini IOT Device! Use with your Wemos D1 Mini (available in my store) to provide a bright crisp user interface for your product. For example, use with the DHT22 shield (available in my store) to display real time temperature and humidity data locally, even as it is being transmitted to the cloud remotely. ...
DescriptionBH1750FVI ROHM chipPower supply: 3-5 vData range: 0-65535Sensor built-in and bitad converterDirect digital output, bypassing the complicated calculation, omit calibrationDo not distinguish between ambient lightClose to the visual sensitivity of spectral characteristicsFor a wide range of brightness for 1 lux high precision measurement Video Reference
Notice:   The new tracking number for  Yanwen Economic Air Mail can be traced only befor it arrive the airport of your country,please choose  Special Line-YW/China Post Air Mail or AliExpress Standard Shipping.if you want a full tracking info.The same product will arrive in 15 to 60 days.Tracking info of  Yanwen Economic Air Mail can be check here: www.17track.net/en Features:100% Brand new and high quality!WIFI Internet development Board based on ESP8266 Wireless Moduleintegates GPIO,PWM,IIC, 1-Wire and ADC all in one board.LWIP protocolPA+25dBmSupport 802.11b/g/n Specifications:Support three modes:...
New features: First ARM 32-bit master Dual USB download , Native USB port can be modeled as a USB device Due Technical parameters: Processor AT91SAM3X8EA Operating voltage 3.3V Input voltage 7-12V Input voltage ( limit ) 6-20V Digital I / O port 54 ( 12 PWM outputs ) Analog input pin 12 Analog output pin 2 ( digital to analog converter ) row mother I / O ports DC output current 130mA 3.3V power supply pin can provide 800 mA current 5V power supply pin with 800 mA current Internal flash memory 512KB SRAM96 KB (two banks: 64KB and 32KB) 84 MHz clock frequency
Tp4056 1a lipo battery ladebordlader modules lithium battery portmike 30286 diy micro usbNote: dear friend, if you order more than $5, aliexpress not allow we send by not available tracking information delivery (such as china post, ordinary small packet plus, 4px singapore post om pro). so please choose china post airmail if you order more than $5. and pls split your order, you can more than 2 orders, ensure that their every order is less than $5. if you can not accept, pls don't buy, we refuse to delivery. thank you for your support, you can enjoy your purchase.aeproduct. getsubject ()please note: china post ordinary small packet plus, the tracking information will only be displayed in the page and does not have a tracking number. if you want to monitor the whole transit process, please c...
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