ReviewsNodemcu Communication Methods And Protocolss

BAOFENG GM-15 Pro GMRS Radio(Upgrade of UV-5R),NOAA WeatherReceiver & Scan Radio Rechargeable Long Range Two Way Radio with USB-C Charger AR-771 Antenna

...ily add new channels and change settings on the go by the PC and keypad menu programs, 154 Privacy Codes (50 CTCSS codes/ 104 DCS codes) ,Reduce interference..
【GMRS Repeater Capable&DIY CH Extended】GM-15PRO is also equipped with 24 customizable repeater channels,GMRS Repeater Capable,able to expand the range of communication distance transmission and enhance the signal.
【NOAA Weather Alerts & Scanning Receiving】With 11 NOAA Channels+feature 250 memory channels,Designed to receive emergency warnings of various life-threatening weather events , for you to get full preparation advance.
250 memory channels,Radio allows you to receive and scan on UHF & VHF channels in either CH/VFO mode, not just limited to GMRS channels..
【2-Charging Methods Optional】Each Radio equippend with USB-C Charger Cable+US Charger +1500mAh Battery,you can easily charge it from power bank、PC、car、wall、laptop and any usb slot. .
【AR-771 High Gain Antenna】In addition to the original Baofeng antenna, we also gave away a AR-771 soft antenna to increase the communication distance and make your conversation smoother..
【Long Range Communication】 Multifunctional Use,with SOS alarm, flashlight, VOX-Hands Free etc practical features,The GMRS Radi....

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BAOFENG Walkie Talkies Long Range BF-888S Plus Rechargeable 1500mAh Li-ion All Day Working, USB Cable Charging Portable Two Way Radio with Earpieces and Mic（2 Pack）

...-level noise reduction to ensure clear sound and signal transmission..
【walkie talkies for adults】 With simple operations, you can select channel what your need. 16 pre-programmed channels,each programmed channel had 50 CTCSS and 105 DCS tune can shield external interference signal Establish a closed and private communication. Baofeng radios walkie talkies suitable for use at any scene that needs to maintain communication, such as mountain climbing, driving, safety maintenance personnel, construction site, company working etc..
【walkie talkies for kids】This two way radio has been set up well, it can work out of box directly . Light weight and Slim Design Fit the child's Hand easy to carry. Compared with toy walkie-talkies, baofeng bf-888s Plus focus on communication, not screen design highlight it's sturdy and durable features, anti-pressure and anti-fall provide more stable and reliable communication environment. Meet child's daily communication needs such as camping hiking friends or family communication..
【 Function and Package 】The Two-Way Radios with earpiece,VOX function and belt clip can let your hands free, Emergency alarm give you another safety protection ,Lower Power Consumption,low battery alarm reminds you the status of the walk....

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DORHEA 5PCS ESP8266 ESP-12F Development Board Internet NodeMCU WiFi Serial Wireless Module NodeMCU-12F CP2102 Based on ESP8266 WiFi Module for motherbord IDE/Micropython

ESP8266 is a highly integrated chip designed for the needs of a new connected world.It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor..
The controllers are easy to program by using the CP2102-USB interface without having to press the flash and reset buttons before each flash operation..
It is an integrated unit with all available resources on board. It's very easy for Arduino projects or any development board with I / O pins. Modern Internet development tools can use the built-in API to instantly put your idea on the fast track..
ESP8266 NodeMcu board has powerful on-board processing and storage capabilities, allows to be integrated with sensors and other specific applicated devices through its GPIOs..
Perfectly compatible with the motherbord IDE/Mongoose IoT/Micropython. This ESP8266NodeMcu development board can be use for small temperature and humidity monitorin home automation project and works very well with the motherbord development platform.

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All the Ugly and Wonderful Things: A Novel

...ily add new channels and change settings on the go by the PC and keypad menu programs, 154 Privacy Codes (50 CTCSS codes/ 104 DCS codes) ,Reduce interference..
【GMRS Repeater Capable&DIY CH Extended】GM-15PRO is also equipped with 24 customizable repeater channels,GMRS Repeater Capable,able to expand the range of communication distance transmission and enhance the signal.
【NOAA Weather Alerts & Scanning Receiving】With 11 NOAA Channels+feature 250 memory channels,Designed to receive emergency warnings of various life-threatening weather events , for you to get full preparation advance.
250 memory channels,Radio allows you to receive and scan on UHF & VHF channels in either CH/VFO mode, not just limited to GMRS channels..
【2-Charging Methods Optional】Each Radio equippend with USB-C Charger Cable+US Charger +1500mAh Battery,you can easily charge it from power bank、PC、car、wall、laptop and any usb slot. .
【AR-771 High Gain Antenna】In addition to the original Baofeng antenna, we also gave away a AR-771 soft antenna to increase the communication distance and make your conversation smoother..

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Baofeng AR-15210W High Power Ham Radio Portable Tactical Two Way Radio Long Range Walkie Talkie 12000mAh Battery Full Kit (Green)

▶【Long Range Communication】Professional Ham Radio，Up to 128 channels.Output :10W ,High/Mid/Low Tri-Power Switchover,FCC certificated,FCC ID:2AJGM-AR152,The signal waves have the ability to penetrate wood.
giving you better range and performance in urban environments and around buildings.
▶【Power Source】Rechargeable Li-ion Battery packs:Equipped with 1pack Original 12000mAh Extended Battery+Battery Charger ,Support 5-7 days communication，Long standby time: 5-15 days.
▶【Three charging methods】The battery equipped with 2.5mm charging port can be directly charged, and it can be used for car charger, USB charger and wall charger. Allows you to charge anytime, anywhere, convenient and portable.(The wall chrager is standard, if you need car charger or USB charger, please see our other products link.).
▶【With AR-152 Tactical Antenna】With 25cm/9.84inch AR-152 Tactical Antenna,Connector Type:SMA-Female,Can enhance the signal.
▶【Program After-sales Service】Program your AR-152 two way portable radio with a special firmware from radio shared!And provide technical guidance and after-sales service.

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Ham Radio: The Complete Study Guide with Tips and Tricks for Beginners to Master Ham Radio Basics and Setup Like A Pro

▶【Long Range Communication】Professional Ham Radio，Up to 128 channels.Output :10W ,High/Mid/Low Tri-Power Switchover,FCC certificated,FCC ID:2AJGM-AR152,The signal waves have the ability to penetrate wood.
giving you better range and performance in urban environments and around buildings.
▶【Power Source】Rechargeable Li-ion Battery packs:Equipped with 1pack Original 12000mAh Extended Battery+Battery Charger ,Support 5-7 days communication，Long standby time: 5-15 days.
▶【Three charging methods】The battery equipped with 2.5mm charging port can be directly charged, and it can be used for car charger, USB charger and wall charger. Allows you to charge anytime, anywhere, convenient and portable.(The wall chrager is standard, if you need car charger or USB charger, please see our other products link.).
▶【With AR-152 Tactical Antenna】With 25cm/9.84inch AR-152 Tactical Antenna,Connector Type:SMA-Female,Can enhance the signal.
▶【Program After-sales Service】Program your AR-152 two way portable radio with a special firmware from radio shared!And provide technical guidance and after-sales service.

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Retevis RT68 Walkie Talkies for Adults, 2 Way Radios Long Range, Hands Free, 1200mAh Battery, Portable Walkie Talkie Rechargeable with USB Charging Base, for Hunting Road Trip Hiking Family (4 Pack)

simple enough that not only can adults use them comfortably.
the walkie-talkie has no damage and can continue to work normally.
RT68 walkie talkies can work in buildings and between concrete walls.
provide you with good range and clear communication.
USB charger can provide you with more charging methods.
indicator can help you check the charging status.
with 1200 mAh large capacity Li-ion battery.
allows you to stay in communication through out the day.

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Baofeng AR-152 Ham Radio 10W High Power Tactical Two Way Radio with 12000 mAh Rechargeable Larger Battery Handheld Long Range Walkie Talkies Full Kit

▶【Long Range Communication】Professional Ham Radio，Up to 128 channels.Output :10W ,High/Mid/Low Tri-Power Switchover,FCC certificated,FCC ID:2AJGM-AR152,The signal waves have the ability to penetrate wood.
giving you better range and performance in urban environments and around buildings.
▶【Three charging methods】The battery equipped with 2.5mm charging port can be directly charged, and it can be used for car charger, USB charger and wall charger. Allows you to charge anytime, anywhere, convenient and portable.(The wall chrager is standard, if you need car charger or USB charger, please see our other products link.).
▶【Power Source】Rechargeable Li-ion Battery packs:Equipped with 1pack Original 12000mAh Extended Battery+Battery Charger ,Support 5-7 days communication，Long standby time: 5-15 days.
▶【With AR-152 Tactical Antenna】With 25cm/9.84inch AR-152 Tactical Antenna,Connector Type:SMA-Female,Can enhance the signal.
▶【Program After-sales Service】Program your AR-152 two way portable radio with a special firmware from radio shared!And provide technical guidance and after-sales service.

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Agatige 2Pcs Clamping Nuts Knob, Female Thread 7 Star Shaped Head Nuts Knurled Clamping Handle Nuts Fastener Black M16 x 80

Wide range of nut methods, strong wear resistance, high hardness level.
Wide range of applications: coupling steel nuts are widely used in household and office equipment, communication equipment and other machinery industries..
Perfect for carrying around: the coupling nut is very suitable for use in wood and humid environments. Hexagon bolts and nuts are very good quality products on the market and are durable..

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Retevis GMRS Radio Communication Solutions,RA25 Mobile Transceiver Radio(1 Pack) with GMRS Handheld Two Way Radio(2 Pack),Easy to Use Long Range Communication Kit

including a high power car transceiver and a pair of GMRS handheld walkie talkies.
designed for large and medium farm communications.
high power design meets long range communication.
tractor or harvester operators can easily call field support from the car radio.
it can be used continuously for a long time.
and 8 channels that can be connected to the base station.
adjust the channel through the car button or handheld Mic.
The mounting bracket and corresponding accessories are complete.
external speaker with PTT button is convenient to communicate with your friends while driving.
RB27 handheld GMRS two way radio has 30 GMRS channels and 11 NOAA weather channels.
and 8 base station channels can receive local base station channels.
The handheld walkie-talkie supports a variety of charging methods.
1500mAh battery can be used continuously for 10-12 hours after being fully charged.

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HiLetgo 5pcs Mini ESP8266 ESP-12F Mini NodeMCU Lua 4M Bytes WiFi Module with Pin Headers

Arduino ompatibility. Using the Arduino IDE for programming.
5V 1A switching power supply (switching power supply）onboard.

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