Tutorial

Raspberry Pi Pico (rp2040)and DS18B20: all OneWire topologies, long stubs and multiple devices

Mastering the ds18b20 Temperature Sensor / rp2040 / Temperature sensor ds18b20 / Tutorial Raspberry Pi Pico W and generic rp2040

14 May 2024

Dallas ds18b20 with Raspberry Pi Pico (rp2040): all OneWire topologies, long stubs and more devices

This article covers how to connect DS18B20 digital temperature sensors to a Raspberry Pi Pico using the OneWire protocol. It includes information on all possible OneWire topologies, how to deal with long wires, and connecting multiple sensors. The article aims to provide a comprehensive guide for using these sensors with a Raspberry Pi Pico, including tips for troubleshooting and optimizing performance.

Raspberry Pi Pico (rp2040) and DS18B20: introduction and parasite mode

Mastering the ds18b20 Temperature Sensor / rp2040 / Temperature sensor ds18b20 / Tutorial Raspberry Pi Pico W and generic rp2040

23 April 2024

Dallas ds18b20 with Raspberry Pi Pico (rp2040): introduction and parasite mode

The Dallas DS18B20 is a digital temperature sensor that can be easily integrated with a Raspberry Pi Pico (rp2040) microcontroller. In this response, we will provide an introduction to the DS18B20 sensor and explain how to use it in parasite mode with a Raspberry Pi Pico.

Ebyte LoRa E32 with STM32: WOR (wake on radio) and new STM32 shield

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EBYTE LoRa E32 / LoRa E32 devices / STM32 / STM32 micro controllers line Tutorial

4 December 2023

Ebyte LoRa E32 with STM32: WOR (wake on radio) and new STM32 shield – 9

In this article, we will dive into some technical details of the Ebyte LoRa E32 module integrated with the STM32 microcontroller. One key feature that we will explore is the WOR (Wake on Radio), which is a significant factor in the world of low-power long-range communication systems.

STM32 power saving: RTC backup register and SRAM preservation

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RTC (Real-time clock) / STM32 / STM32 power saving

23 October 2023

STM32 power saving: RTC backup register and SRAM preservation – 9

In this article, we finally delve into the backup domain, a crucial step towards resolving the issue of state preservation across sleep modes. We initiate with a comprehensive exploration of the RTC backup registry, subsequently moving onto an analysis of the backup mechanisms for SRAM memory.

STM32 power saving: backup domain intro, and variable preservation across reset

RTC (Real-time clock) / STM32 / STM32 power saving

17 October 2023

STM32 power saving: backup domain intro and variable preservation across reset – 8

Another important element of STM32 is the backup domain. After a brief introduction to the topic, we will evaluate and test the standard solution for RESET, namely the use of variables in the “noinit” and “persistent” memory areas, a very interesting management. And we will write some simple functions to check the features of our devices.

STM32 power saving: wake up from external source

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RTC (Real-time clock) / STM32 / STM32 power saving

9 October 2023

STM32 power saving: wake up from external source – 7

After the timed, alarm and Serial wake-up, the most used one is the wake-up via an external source. In this case, we must pay attention to the pinout of our device to select the correct pin in the correct situation.

STM32 power saving: wake up from RTC alarm and Serial

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RTC (Real-time clock) / STM32 / STM32 power saving / UART

25 September 2023

STM32 power saving: wake up from RTC alarm and Serial – 6

As usual our microcontrollers give a wide range of wake up sources, we already see a timed wake-up, and now we introduce the wake-up via RTC alarm and Serial of our STM32.

STM32 power saving: sleep, deep sleep, shutdown and power consumption

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RTC (Real-time clock) / STM32 / STM32 power saving

18 September 2023

STM32 power saving: sleep, deep sleep, shutdown, and power consumption – 5

We have already described Idle mode and the relative power consumption, in this article we continue to measure power consumption of other sleep modes to have a brief comparison.

STM32 power saving: library LowPower, wiring, and Idle mode

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RTC (Real-time clock) / STM32 / STM32 power saving

11 September 2023

STM32 power saving: library LowPower, wiring, and Idle mode – 4

In a remote device, one important feature can be the power consumption, and like other devices, STM32 allows a set of Low Power states.
In this article, we look at the library to use and performance with our devices.

MicroPython with esp8266 and esp32: flashing firmware and using PyCharm IDE

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Development with MicroPython language / esp32 / esp8266 / Mastering ESP32 Programming with MicroPython / Mastering ESP8266 Programming with MicroPython

28 August 2023

MicroPython with esp8266 and esp32: flashing firmware and using PyCharm IDE – 3

Here is a beginner’s guide to MicroPython development on the ESP8266 and ESP32 boards using PyCharm IDE. It covers the basics of MicroPython, firmware flashing, and how to set up PyCharm for remote MicroPython development. Additionally, the article includes an example project that demonstrates how to control an LED using MicroPython code.