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ESP32 (37) – https OTA

ESP32 (37) – https OTA

luca October 27, 2018 0

In the previous post of this tutorial, I explained how it is possible to update your board Over-The-Air thanks to a feature of the Freshen IoT dashboard. Today I’ll show you how to update

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ESP32 (36) – OTA with Freshen

ESP32 (36) – OTA with Freshen

luca September 29, 2018 0

In one of the first posts of this tutorial, I wrote about the bootloader and about how the flash memory is organized. That article says: This allows to implement an over-the-air (OTA) application update process: you send the

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SeeedStudio, 3 PCBs for 1$

SeeedStudio, 3 PCBs for 1$

luca August 23, 2018 0

Here’s a new promo for the Fusion PCB service by SeeedStudio: from today untill September 21st, you can order 3 PCBs for 1$ (excluding shipping costs) To take advantage of the offer, simply enter the

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The smallest esp32 module (so far…)

The smallest esp32 module (so far…)

luca June 4, 2018 2

Some months ago, Espressif announced the production of a new chip, named ESP32-PICO-D4. It’s a complete SiP (System in Package), that is a chip which integrates the esp32 microcontroller, a 4Mbit flash memory, a crystal oscillator, filter capacitors and

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ESP32, PlatformIO

ESP32, PlatformIO

luca May 21, 2018 11

PlatformIO is an opensource ecosystem (as it’s defined in the homepage of the project) to develop IoT projects. The heart of the platform is a software component named PlatformIO Core. This component includes: PlatformIO Core is

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My new third hand

My new third hand

luca May 14, 2018 0

I recently brought from Banggood a support for having a third hand during soldering operations… the support is made by an aluminum base and three arms which end with a crocodile clamp with insulating sheath: The assembly is

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JQ6500, “flashdata error”

JQ6500, “flashdata error”

luca April 13, 2018 1

After having published my previous posts about the JQ6500 module, some readers wrote me about an error the MusicDownload.exe application shows when they click on the upload button to store the mp3 files in

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JQ6500 module recovery

JQ6500 module recovery

luca April 11, 2018 3

In a previous post I presented the JQ6500 audio module. When you connect it to your computer, it’s detected as a CDROM drive. I brought some modules from different webstores. A couple of them

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First look at JQ6500 modules

First look at JQ6500 modules

luca April 9, 2018 4

For some time, on different chinese webstores (for example Banggood) there is a module called JQ6500 for sale: it’s often described as a voice sound module or as an MP3 player sound module. Actually JQ6500 is the name

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ESP32 (35) – BLE, scan response

ESP32 (35) – BLE, scan response

luca April 3, 2018 4

In the previous posts I explained how to receive and send advertising packets based on the Bluetooth LE standard. The payload (that is the amount of “useful” data) of those packets is at most

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