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micro:bit internal temperature sensor

micro:bit internal temperature sensor

Micro:bit has an internal temparature sensor, in fact, the nRF51 application processor has an on board core temperature sensor. This is exposed via the standard runtime software, and provides an estimate of ambient temperature. It is not a highly accurate

escapequotes January 17, 2019January 20, 2019 microbit, micropython, python, scratch No Comments Read more

micro:bit – learning with a bit of fun!

micro:bit – learning with a bit of fun!

The BBC micro:bit is a handheld, programmable micro-computer that can be used for all sorts of cool creations, from robots to musical instruments – the possibilities are endless. It can be coded from any web browser in Blocks, Javascript, Python,

escapequotes January 16, 2019March 25, 2019 microbit, python No Comments Read more

ESP8266: DHT22 temperature sensor

ESP8266: DHT22 temperature sensor

Temperature and humidity reading from RHT03 (also known as DHT22) using ESP8266 WeMos D1 mini board. As many other examples available on the internet, it was inevitably to post myself a temperature and humidity reading application. The values from sensors are

escapequotes January 10, 2019December 18, 2021 arduino, ESP8266, wemos 6 Comments Read more

ESP8266 Wemos D1 mini PRO v1 – CP2104 USB driver

ESP8266 Wemos D1 mini PRO v1 – CP2104 USB driver

The version 1.1 of Wemos D1 mini PRO board has CP2104 as USB to UART bridge. To get started with this board and/or first stepts for using Arduino IDE, follow the link on wemos or search on google on that, plenty

escapequotes September 21, 2018December 18, 2021 arduino, ESP8266, wemos No Comments Read more

AVR Programmer: AtTiny45, AtTiny85

AVR Programmer: AtTiny45, AtTiny85

Programming an Atmel AVR (AtTiny45 or AtTiny85 ) microcontroller can be achieved using a custom programmer or you can use an existing one. In my case, I have a Sparkfun Tiny AVR Programmer

escapequotes September 1, 2017January 17, 2019 arduino, attiny85 No Comments Read more

ESP8266 D1 mini PRO extenal antenna

ESP8266 D1 mini PRO extenal antenna

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

escapequotes July 4, 2017December 18, 2021 arduino, ESP8266, wemos No Comments Read more

Wemos D1 mini Pro

Wemos D1 mini Pro

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

escapequotes June 29, 2017December 18, 2021 arduino, ESP8266, wemos 1 Comment Read more

OneWire DS18B20 temperature sensor

OneWire DS18B20 temperature sensor

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

escapequotes January 18, 2017March 25, 2019 arduino, ESP8266, home automation No Comments Read more

Move applications to PHP7

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

escapequotes January 18, 2017 CodeIgniter, php No Comments Read more

PHP remove multiple whitespaces

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

escapequotes October 25, 2016October 25, 2016 php No Comments Read more
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