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Description100% brand new and high qualityThe Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, an analog-to-digitalconverter, signal processing, calibration data, and an I2C Interface. The patented use of industry-standard, low-K polymeric dielectrics for sensing humidity enables the construction of low-power, monolithic CMOS Sensor ICs with low drift and hysteresis, and excellent long term stabilityThe humidity and temperature sensors are factory-calibrated and the calibration data is stored in the on-chip non-volatile memory. This ensures that the sensors are fully interchangeable, with no recalibration or software changes requiredThe Si7021 is available in a 3x3 mm DFN package and is reflow solderable. It can be use...
describe:support for ide 1.0 + (osx / win / linux)   power supply via usb or external source - 5 v or 7 to 35 v (automatic selection)on board 500ma 5 v regulator built-in usb and serial)6 i / o pins (2) are for usb only if your program actively communicates via usb, then you can all 6 even if you are programming for usb)8 carat flash memory (over 6 carats after boot loader)i2c and spi vis (usi) pwm 3 pins (more possible with software pwm)adc 4 pinspower led and test / status led (on pin0) support for ide 1.0 + (osx / win / linux)   power supply via usb or external source - 5 v or 7 to 35 v (automatic selection) on board 500ma 5 v regulator built-in usb and serial)6 i / o pins (2) are for usb only if your program actively communicates via usb, then you can all 6 even if ...
Notice: The new tracking number for China Post Ordinary Small Packet Plus only can track it have been ship out of China, not more Tracking information ,even it arrived or not . Please do not freeloaders,if you can not accept without more tracking information . Please choose China Post Air Mail if you want a full tracking info. Tracking info of  China Post Ordinary Small Packet Plus can be check here :www.17track.net/en           Water Sensor water level sensor is an easy-to-use, cost-effective high level/drop recognition sensor, which is obtained by having a series of parallel wires exposed traces measured droplets/water volume in order to determine the water level. Easy to complete water to analog signal conversion and output analog values can be di...
Module Model: GY-63Name: MS5611 module (atmospheric pressure module)Chip built-in 24bit AD converterHigh quality Immersion Gold PCB machine welding process to ensure qualityUsing the chip: MS5611Power supply :3-5v (internal low dropout regulator)Communication modes: standard IIC / SPI communication protocol
beschreibungthis module esp32s v & all; completely fits r & t.; r wifi 802.11b / g / n / e / i and bluetooth v4.2 br / edr & t standard, offers a series of l & all of wifi and bluetooth, and to support and professional; cats & all real - time; ffnen operating systems (rtos). esp32s also provides an open platform to support and professional users; those to user function flexibly in various applications. not only integrated with plenty of analog sensing and digital interface, but also integrates esp32s die entire start / receive radio frequency functions with a & w; the antenna switch, radio frequency, leistungsverst & auml; rker, eng & auml; uscharm petr & auml; rker, filters, power management module and extended self calibration. in particular this modul...
Notice: The new tracking number for China Post Ordinary Small Packet Plus only can track it have been ship out of China, not more Tracking information ,even it arrived or not . Please do not freeloaders,if you can not accept without more tracking information . Please choose China Post Air Mail if you want a full tracking info. Tracking info of  China Post Ordinary Small Packet Plus can be check here : www.17track.net/en forarduino ESP-WROOM-02 wifi ESP8266 NODEMCU
IntroductionThe NodeMCU is an open-source firmware and development kit that helps you to prototype your IoT product within a few Lua script lines. Formore details, please visit  FeatureOpen-sourceInteractiveProgrammableLow costSimpleSmartWI-FI enabledArd--uino-like hardware IOAdvanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.Code like ard--uino, but interactively in Lua script.Nodejs style network APIEvent-driven API for network applicaitons, which faciliates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.Greatly speed up your IOT application developing process.Lowest cost WI-FILess than $2 WI-FI MCU ESP8266 integrated and esay to prototyping development kit.We provide the best platform...
TTGO T8 V1.7 ESP32 4MB PSRAM TF CARD 3D ANTENNA WiFi&Buletooth ESP32-WROVER Micropython FeaturesLastest ESP32 Version: REV1WIFI Bluetooth  4MB Flash 4MB PSRAMLithium battery interface, 500mA Max charging current TF CARD3D ANTENNA Default firmware: Latest Micropython firmware* *Or you can flash your own Micropython firmware,This is an example: https://github.com/LilyGO/MicroPython-ESP32Pin DescriptionFor more product information(include T8 V1.1 /V1.3 Pin Diagram), please go to:https://github.com/LilyGO/TTGO-T8-ESP32Product DetailsShipping List:(Not include battery and SD Card)T8 V1.7 TF CARD 3D ANTENNA ESP32 Rev1 *1Pin *2Power Cable *1...
TTGO ESP32-Micro ESP-32-PICO WIFI wireless Module Bluetooth  ESP32-PICO-D4 Development BoardProduct Size:57.7mm*23.8mm*4.1mm    Shipping List:1 X TTGO ESP32-Micro2 X Pin
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 describe:1. Name: ESP-32S pinnwand2. Pin Raum: 2,54mmESP-32S Pinnwand Konverter Modul...
Notice:Dear friend, if your order more than $5, Aliexpress don't allow we send by not available tracking information shipping method (like China Post Ordinary Small Packet Plus, 4PX Singapore Post OM Pro). So please choose China Post Air Mail if your order more than $5. Or pls split your order, you can submit more than 2 orders, make sure your each order less than $5. If you can't accept, pls don't buy, We refuse to delivery. Thank you for your support, enjoy your shopping.    Please notice:If you choose China Post Ordinary Small Packet Plus,the tracking information will only shows in the order page and do not have a tracking number.If you want monitor the whole transit process,please choose other shipping method like China Post Registered Air Mail.   We ...
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