ESP8266 Wemos D1 mini PRO board has an external antenna connector, besides the internal antena. The external antenna is not enabled. To do this, you must move the zero value resistor R16. Notice the position were it should be the
D1 mini Pro is a wifi board with 16MB flash, external antenna connector and built-in ceramic antenna based on ESP-8266EX Features: 11 digital input/output pins Interrupt/pwm/I2C/one-wire 1 analog input(3.2V max input) 16M bytes(128M bit) Flash External antenna connector Built-in ceramic
In this article we will discover the temperature OneWire DS18B20 temperature sensor, available also in a waterproof version. The DS18B20 is a so called 1-wire digital temperature sensor. “1-wire” make this sensor really cool and you can connect multiple devices together, utilizing only
Prepare your apps to PHP7, which is soon to become the “current” version. One of the problems might be the usage of preg_replace() function with “/e” modifiers. You might get this error message: Deprecated function: preg_replace(): The /e modifier is
Replacing multiple spaces with a single space simple single line of php code: $output = preg_replace(‘/\s+/’, ‘ ‘, $input); This mean that spaces, tabs or line breaks (one or more) will be replaced by a single space. Replace multiple spaces
When you connect the WeMOS D1 mini board for the first time on your Windows computer through a USB cable, it might be the case to install a USB-to-SERIAL driver. The board has a USB-to-SERIAL converter (CH340 chip). The driver is
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Programming your D1mini ESP8266 in ArduinoIDE: use Arduino IDE 1.6.5 check your aditional board URL from file->preferences http://arduino.esp8266.com/stable/package_esp8266com_index.json check D1 mini board The actual pins on the board: Pin Function ESP-8266 Pin TX TXD TXD RX RXD RXD A0 Analog
Diagram Pin Pin Function ESP-8266 Pin TX TXD TXD RX RXD RXD A0 Analog input, max 3.3V input A0 D0 IO GPIO16 D1 IO, SCL GPIO5 D2 IO, SDA GPIO4 D3 IO,10k Pull-up GPIO0 D4 IO, 10k pull-up, BUILTIN_LED GPIO2
The D1 mini is a mini wifi board based on ESP-8266EX from WeMos.cc.