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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:...
When you do some ESP32projects you must hate to add a power bank to provide the power. This tiny board could solve such problems. A LG 3000mAH 18650 battery could make ESP32run 17 hours or more.18650 charging system integrated.indicate LED inside(Green means full& Red means charging)Charging and working could be at the same time.1 Switch could control the power.1 extra LED could be programmed(Connected with GPIO16[D0])0.5A charging current1A outputOver charge protectionOver discharge protectionFull ESP32 pins break out  Click the link for more details:http://espressif.com/en/products/hardware/esp32-devkitc/overview  Dimension sketch map shipping list : ESP32 0.96 inch OLED + 18650
WIFI NodeM ESP8266+4 bytes (Mt 32 bit), module is based on widely explored esp8266 System on Chip from Expressif.WIFI NodeM ESP8266+4 bytes (Mt 32 bit), compatible for NodeMCU board. We add extra memory size to 4 bytes (Mt 32 bit). This better, for make big project with big library. You not need to worry about size of memory.On board have USB-TTL serial converter CH340G, with Micro-USB socket.PowerIn for DC 4~9V, to pin VIN.Pin headers 2.54mm (0.1") 15 pins x 2 lines in set. Don't soldered. It combined features of WIFI accesspoint and station + microcontroller and uses simple LUA based programming language. WIFI NodeM ESP8266+32Mb, offer:Arduin0-like hardware IO. And can programming in Ardui...
Product descriptionThis is a heart rate sensor based on Labs Si1143 Silicon chip sensor. The board is equipped with two infrared LED and a red LED, visible red light induction. These two frequencies are necessary for sensing and calculating the oxygen saturation in blood.
Tip:1). Here is the 433m Spring Antenna for Rola 02, maybe you need to use it with Rola 02 module, please click here, thanks2). Ra-01 LoRa Module SX1278 433M 10KM Wireless Spread Spectrum Transmission DIY Kit for Smart Home Meter Reading DescriptionRa-02 is a wireless transmission module based on SEMTECH's SX1278 wireless transceiver. It adopts advanced LoRa spread spectrum technology, with a communication distance of 10,000 meters. It has strong ability of anti-jamming and has the function of air wake-up Consumption. Can be covering thousands of people in the district environment, particularly suitable for meter reading, smart home, burglar alarm equipment.The LoRa series module Ra-01 is designed and developed by AI-THINKER Technology. The SX1278 RF module is...
Free Shipping 1pcs/lot PJRC Teensy++ 2.0 USB AVR develope board for ps3 TeensyKey Features:USB can be any type of deviceAVR processor, 16 MHzSingle pushbutton programmingEasy to use Teensy Loader applicationFree software development toolsWorks with Mac OS X, Linux & WindowsTiny size, perfect for many projectsAvailable with pins for solderless breadboardVery low cost & low cost shipping options
Free Shipping  1lot=2pcs 1pcs 1602 16x2 HD44780 Character LCD + 1pcs  IIC/I2C 1602 Serial Interface Adapter Module 1lot=2pcs1pcs 1602 16x2 HD44780  blue1pcs  IIC/I2C
describe:1.The main control chip using Le Xin ESP32, Tensilica LX6 dual core processor, clocked at 240MHz,  computing capacity of up to 600DMIPS, 520 SRAM, 802.11 KB chip b/g/n HT40 Wi-Fi transceiver, baseband, and LWIP protocol stack, Bluetooth (Bluetooth dual-mode integrated traditional and BLE low-power Bluetooth).2. onboard 16 Mt bytes (128 Mt bit) , Flash, and Wi-Fi antennas,3.0.96 inch White OLED display,.4.lithium battery charging circuit and interface,5.CP2102 USB to seria...
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?If 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?
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