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RFID and Arduino (1)

RFID and Arduino (1)

luca September 4, 2017 2

In this tutorial, divided in two posts, I’ll show you how to use RFID (Radio-frequency Identification) tags with Arduino. In the first part you’ll learn how to connect the reader to your Arduino and how to write a

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ESP32 (21) – Mutual authentication

ESP32 (21) – Mutual authentication

luca August 25, 2017 0

After having published my post about how to implement a webserver on the esp32 chip, some readers correctly warned me that everyone, once connected to the wifi network, could control the relay and asked me how

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PCBWay, service review

PCBWay, service review

luca July 26, 2017 0

If you follow my blog, you probably noticed that I use different online services to make my PCBs… it’s a way to test them in terms of quality and production time. On the advice

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ESP32, Wemos or not to Wemos

ESP32, Wemos or not to Wemos

luca July 22, 2017 2

Wemos is a chinese manufacturer of IoT products, well known for its D1 Mini family, that includes boards based on the ESP-8266EX chip and expansion shields. Some weeks ago, Wemos announced a board based on the new ESP32 chip,

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Updated CH340G board

Updated CH340G board

luca July 17, 2017 2

Some weeks ago I blogged about my project of a minimal board based on the CH340G chip. After some tests, I slightly modified the project: Eagle files in my Github repository have been updated. Here are some

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STM32 and Arduino

STM32 and Arduino

luca July 13, 2017 8

STM32 is a family of 32bit microcontrollers manufactured by STMicroelectronics and based on the ARM Cortex M core. The STM32 family is divided into different lines of microcontrollers (L0-1-4, F0-1-2…) depending on their features and the use they are

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ESP32 (20) – Webserver

ESP32 (20) – Webserver

luca July 8, 2017 7

One of the most popular projects among the ones included in my tutorial about the enc28j60 chip is fore sure WebRelay. This project allows to control an output pin of Arduino using a simple web page, designed

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CH340G board

CH340G board

luca June 15, 2017 0

On this site I’ve already posted about the CH340G chip, manufactured by a chinese company and often adopted as a cheap solution when a USB -> serial converter is needed. As the chip package (SOP16) is quite easy to solder, I

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AiR – Let’s build the robot

AiR – Let’s build the robot

luca June 9, 2017 0

Today we start building the chassis kit from Banggood that will become the robotic platform we’ll play with in the next posts… But first, remove the protective paper from all the acrylic parts: Let’s mount the motor

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ESP32 (19) – NVS

ESP32 (19) – NVS

luca June 3, 2017 6

In today’s tutorial you’ll learn how to permanently store information, so that they are preserved even if the esp32 chip is reset or power is removed. NVS NVS (Non Volatile Storage) is a library included in the

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