Category: Electronic

STM32: internal RTC clock and battery backup (VBAT) 6

RTC (Real-time clock) / STM32 / STM32 micro controllers line Tutorial

STM32: internal RTC, clock and battery backup (VBAT)

In this article, we will delve into the inner workings of the STM32’s internal RTC and its associated clock system. We will also discuss the importance and implementation of battery backup (VBAT) in ensuring the accurate and uninterrupted operation of the RTC. Whether you’re a seasoned engineer or a beginner looking to broaden your knowledge, this article aims to provide you with an in-depth understanding of these key STM32 features, allowing you to unlock the full potential of your embedded systems.

Pironman enclosure Raspberry Pi 4 0

Review / Single Board Computer

Pironman Mini PC: a Raspberry Pi in a compact package with SSD, heat sync, and more.

Let’s explore the SunFounder Pironman Mini PC for Raspberry Pi, featuring a built-in M.2 SATA SSD slot for improvements in storage performance. This compact case, complete with an efficient cooling system and a pleasing aesthetic, could be the ultimate choice for maximizing the potential of your Raspberry Pi.

ESP32 firmware and filesystem update with FTP client 2

esp32 / ESP32 firmware management tutorial / Firmware / FTP / No category / SD Card

ESP32 firmware and filesystem update with FTP client – 2

Welcome to the final article in our ESP32 firmware and OTA update management series. Today, we’ll explore using an FTP client to update the firmware and filesystem on an ESP32 device. Join us as we delve into this last technique, equipping you with valuable insights for managing updates on your ESP32 projects.

ESP32 firmware and filesystem update from SD card 4

esp32 / ESP32 firmware management tutorial / Firmware / FTP / No category / SD Card

ESP32 firmware and filesystem update from SD card – 1

In this article, we explore a non-standard but effective method for updating ESP32 firmware and filesystem using an SD card. We’ll discuss the advantages, disadvantages, and provide a step-by-step guide for implementing this technique, building on knowledge from previous articles in our firmware management series.

ESP32 self OTA: update on HTTPS (SSL/TLS) with trusted self signed certificate 8

esp32 / ESP32 firmware management tutorial / OTA Update

ESP32 self OTA update in HTTPS (SSL/TLS) with trusted self-signed certificate – 3

We are going to continue exploring OTA updates. In this article, we delve into secure self OTA updates for ESP32 devices using HTTPS (SSL/TLS) with trusted self-signed certificates. Learn how to generate certificates, set up the ESP32, and configure the update server for enhanced security and efficiency in your IoT projects.

ESP32 self OTA update: firmware from a server with version check 5

esp32 / ESP32 firmware management tutorial / Firmware

ESP32 self OTA update firmware from a server with version check – 2

In this article, we’ll explore an efficient method for implementing self Over-the-Air (OTA) firmware updates for the ESP32 microcontroller, complete with version checking. This approach enables IoT devices to automatically download and install the latest updates from a server, ensuring a resilient and adaptable IoT ecosystem without requiring manual intervention.

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3D Printer / Raspberry Pi

Building and programming PiCar-X: getting started with your robot car

Building and Programming Your PiCar-X: A guide to getting started with your robot car using EzBlock programming language. Learn how to assemble the parts, program your PiCar-X using drag-and-drop blocks, 3D print a simple LED holder to add lights to your car, and create a blink example. Also, learn how to use a button to turn the LEDs on and off, as well as control the camera.

BNO055 for esp32, esp8266, and Arduino: Gyroscope High Rate and Any Motion Interrupt 0

Accelerometer / Arduino / Bosch BNO055 absolute position sensor tutorial / esp32 / esp8266 / Gyroscope / i2c / Magnetometer (Triaxial magnetic field) / No category / SPI

BNO055 for esp32, esp8266, and Arduino: Gyroscope High Rate and Any Motion Interrupt – 6

This latest article in the series explores how to use the BNO055 sensor with ESP32, ESP8266, and Arduino to achieve gyroscope high rate and any motion interrupt. The BNO055 sensor combines an accelerometer, magnetometer, and gyroscope in one module, making it ideal for accurate orientation tracking.

BNO055 for esp32, esp8266 and Arduino: enable INT pin and accelerometer High G Interrupt 0

Accelerometer / Arduino / Bosch BNO055 absolute position sensor tutorial / esp32 / esp8266 / Gyroscope / i2c / Magnetometer (Triaxial magnetic field) / No category / SPI

BNO055 for esp32, esp8266 and Arduino: enable INT pin and accelerometer High G Interrupt – 5

Continue the series of article about the Bosch sensor BNO055. In this part of the tutorial, we will learn how to enable the INT pin of the BNO055 and configure the accelerometer High G Interrupt. The High G Interrupt is triggered when the accelerometer detects a sudden acceleration event that exceeds a specified threshold and duration. This can be useful for detecting impacts, falls, or other sudden movements in a variety of applications.

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