Reviews Nodemcu Development Board

7Pcs ATTINY88 Microcontroller Development Board 16Mhz I2C and SPI 26-PWM Digispark ATTINY85 Nano V3.0 Extended Module

ATTINY88 micro development board based microcontroller development board similar to the board line, only cheaper, smaller, and a bit less powerful..
With the ability to use the familiar IDE the MH-ET LIVE Tiny88(16.0Mhz) is a great board to jump into electronics, or perfect for when an other board is too big or too much..
ATTINY88 micro development board has 26 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
ATTINY88 micro development board support for the IDE 1.0+ (OSX/Win/Linux).
The MH-ET LIVE Tiny88(16.0Mhz) is fully assembled except for the headersincluded and easy to solder them by yourself..

Anti-Oxidation:High quality Gold plated finish to prevent oxidation,Accurate hole spacing,Board takes solder easily,and all holes are through-plated....
Wide application:Fit for a variety of MCU boards.Compatible with Arduino Nano, Pro Mini,ESP8266, NodeMCU,MCU boards etc.
Convenient to use:Perfect for moving projects from bread board to final project.Easy to connect to the components without using the header connectors.....
LeadFree and RoHS compliant for longer shelf life.
Package inlcuded:6 pack 2.05"x3.5" Gold-plated Solder-able Breadboard (2xBlak+2xBlue+2xRed)+5PCS Green double sided Breadboard+2 pcs Copper Strip....

【30VDC 250VAC Load】 Equiped with high-current relay, AC250V 10A.
DC30V 10A, each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
【High Level Trigger】The relay module is triggered by high level signal, which can be input from microcontroller IO..
【 3V/3.3V power relay module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO..
【Wide Application】- These 3v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/ ESP8266 module etc..
【Long Life】 - Fast response time less than 20ms and long lifetime up to 100,000 times snap action with diode freewheel protection..

This board is especially useful for preserving a prototype or experiment you just created on a solderless breadboard by soldering all the pieces in....
Breadboard PCB for any type Raspberry Pi GPIO.
Gold plated finish prevents oxidation, High quality Gold finish for easy soldering.
All holes are through-plated for strength.
Adaptable with a variety of MCU boards. Compatible with Arduino Nano, Pro Mini, NodeMCU, etc..

Package: You will get 5 Pieces Type-C USB ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE Features:.
ESP32 development board support lua program, easy to develop, support LWIP protocol, Freertos, three modes : AP, STA and AP + STA..
Dual core ESP-32 development board, 2.4GHz Dual Mode Development Board.
Small size: ESP-32 dual-mode module is compact and easy to embed into your device, convenient to use.
The best power and RF characteristics are safe, reliable and scalable for various applications..
5PCS ESP32 Development Board TYPE-C USB CH340C WiFi+Bluetooth Ultra-Low Power Consumption Dual Core ESP32-DevKitC-32 ESP-WROOM.

Package contains: you will get 3 pieces of ESP-32 2.4GHz dual-mode WiFi development boards, enough for your daily use and replacement.
Multiple functions: ESP32 development board integrates antenna switches, RF balun, power amplifiers, low noise amplifiers, filters and power management modules.
And the entire solution occupies the smallest printed circuit board area.
ESP-32 development board is safe, reliable and scalable to various applications, bringing you a lot of convenience.
Small size: ESP-32 dual-mode module is compact and easy to embed into your device, convenient to use.
Low power consumption: the development board uses 2.4GHz dual-mode Wi-Fi, chip ESP-WROOM-32, and 40nm low power consumption technology.

PLAY WITH YOUR PRESCHOOLER: Get ready to wiggle, get ready to giggle, get ready for preschool! Based on the best-selling Monkey Around board game this interactive kit is designed to set toddlers up for preschool success..
TODDLER LEARNING ACTIVITY: Kids learn fine and gross motor development, social-emotional development, vocabulary development, and hand-eye coordination while playing this fun board game for toddlers..
INTERACTIVE FUN FOR MOMS & DADS: Parents can use the included Activity Cards and Parent Guide to help their little ones learn and play while also spending quality time with their child. For boys & girls ages 2 years and up..
INCLUDES: 10 wooden puzzle/bead pieces,1 lacing cord, 6 activity cards, 1 board book, Parent guide, 24 Monkey Around cards , 1 beanbag banana , 1 magnetic monkey face board , 15 magnetic monkey face pieces, 1 wooden puzzle tray..
PLAYING IS GROWTH: Frequent play for children is beneficial on many levels. Play creates opportunity for social skill development, numerous cognitive benefits, and can improve emotional well being..

K210 developer kit adopts RISC-V processing architecture, a mini full-featured development board kit designed for machine vision and auditory multi-modal recognition. It can be widely used in smart homes, smart robots, security monitoring and other fields.
Board comes with HD camera, capacitive touch screen, on-board indexing electronic components, such as three-way switches, RGB lights, gyroscopes, speakers, ESF8285-WIFI module, microphone array interface, etc. In addition, all IO ports of the K210 chip are led out through the pin header, which is convenient for users to expand..
Supports 3 development environments of Windows/Linux/Mac OS. When the computer and the K210 development board are connected to the same WiFi, they can communicate with each other, that is, combined with IOT to achieve remote control.
The development board comes with a factory test program, but the demo program needs to be burned in by yourself. Yahboom provides a large number of open source courses and materials, and supports online after-sales technical services..

ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module.
Built-in Micro-USB, with flash and reset switches, easy to program.
Arduino compatible, works great with the latest Arduino IDE/Mongoose IoT/Micropython.
Data download access to the website: http://www.nodemcu.com.