Happy with these.
All the microcontrollers worked right away. I bought a different set of 5 from Robocraze, and they're all working fine.
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This is a D1 Mini V2 NodeMcu 4M Bytes Lua WIFI Internet Of Things Development Board Based ESP8266, it is a mini WIFI board based on ESP-8266EX. 11 digital input/output pins, and all pins have interrupt/PWM/I2C/one-wire supported (except D0) 1 analog input(3.3V max input) and a Micro USB connection. The board is small in size and integrates with the Arduino platform, making it easy to develop WiFi-based projects.
The development board features WiFi-SoC ESP8266 and is made for fast Internet-of-Things (IoT) prototyping. It is flashed with the latest firmware version and can be set up and programmed right away with the onboard micro USB connection.
With only a few lines of code, the NodeMCU Dev Kit connects to your local network and is ready for control by other network members like computers and smartphones. The d1 mini is an ESP8266 development board that is compact, versatile and very easy to use with the Arduino IDE.
Max Input Voltage | 3.3V |
Digital Pins | 11 |
Dimensions | 3 x 2 x 1cms |
Weight | 5 grams |
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in past 6months ,I bought several electronic products from robocraze.out of those only one product named SHT 30 sensor was defective ,remaining say 99% are in good quality. They are providing free delivery for above Rs.500 orders which is a good thing and i received my deliverables with in 3-4days only.