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The NodeMCU board is a great project board. It's built in wifi makes it a major value. I got the board for about $4.00, far cheaper than any other board and wifi solution. I have built over a dozen projects using this processor and it has been ideal for each project. Two small things to be aware of... 1. The board has a "Watchdog Timer" feature that must be reset periodically to keep the board from restarting. This feature is intended to help get the board get back online if it loses connectivity. 2. The board has the ability to do PWM output, but the board is not capable of keeping the PWM going while working on other processes. This means that your PWM output will jump around wildly because of system interrupts and other processing demands. Finally, Though there are 16GIO pins on the board, only about 9 can be used without interfearing with other on-board functionalities.Read full review
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This is a great development board 'ready to run' with Arduino IDE. Even better with just a little work this can be flashed with microPython and operate as a simple web server, remote host or connected directly through PuTTY. MicroPython serves as the programming language and OS, complete with a file system on the flash, IIC, SPI, RTC, all built in.
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Top quality! High finish on the product! Good solder work. Good placement of components! Works "out of the box" with the Arduino IDE! Easy to work with - most things work just like it is a powerful 80MHz Arduino with 1Mb flash and 80kB RAM. (20% and 50% used by WiFi.) Easily powered from USB. This version has the CP2102 USB-Serial chip that has good drivers for Windows 10. For this price it is almost better to buy this instead of an Arduino!
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I didn't know what I was getting when I bought my first ESP8266. This thing is amazing. It's a lot smaller than an Arduino Uno, faster than an Arduino Mega, and has more memory. On top of that it has fast WIFI. I have since purchased 2 adfitional ESP8266s, and think I'll get more. They're just so inexpensive that I keep finding new uses for them.
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Connect to pc and program ;-) Easy as hell, and works great., THX Seller !!!
Verified purchase: Yes | Condition: New