How to handle a DHT22 sensor using ARM mbed OS?

Recently I have encountered with temperature and humidity measurements using DHT22 sensor. I was developing a driver source code in ARM mbed OS SDK on particular STM32 NUCLEO L432KC platform.…

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OpenOCD and development environment for Zephyr on NXP FRDM-K64F

In this post I would like to describe process of setting up NXP FRDM-K64F development environment under Linux and start Zephyr development using it. Why NXP FRDM-K64F ? I choose this platform mostly…

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nRF51822 programming with OpenOCD under Linux

Some time ago we bought BLE400 from Waveshare as probably one of the cheapest option to enter nRF51822 market. As our readers know, we prefer to use the Linux environment for embedded systems…

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Zephyr initial triage on Nucleo-64 STM32F411RE

As I mention in previous post Zephyr RTOS is an interesting initiative started by Intel, NXP and couple other strong organizations. With so well founded background future for this RTOS should look…

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Failure of ECC508A crypto coprocessor initial triage with SAM G55 Xplained Pro Evaluation Kit

Some time ago (around August 2016) embedded community media were hit with hype around simplified flow for AWS IoT provisioning (1, 2, 3). I'm personally very interested in all categories related to…

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Starting with Nucleo-F411RE and mbed OS for command line enthusiasts

When I first time read about mbed OS I was really sceptical, especially idea of having web browser as my IDE and compiler in the cloud seems to be very scary to me. ARM engineers proved to provide…

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SAMG55 + OLED1 Xplained Pro Hello World!

SAMG55 - recognition in the field If you are considering working on SAMG55 Xplained Pro board here you will find some basic know-how to quickly get you started. What you will need? In this example I…

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Using PlatformIO with TI MSP430 LunchPads

PlatformIO is very interesting project that aim to solve very important problem of configuring deployment environment for embedded systems. IMHO good approach is to focus on modularity (various IDE…

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ESP-12 update to SDK v0.9.5 and AT v0.21.0.0 ? noobs tutorial

January 23th Espressif published new ESP IOT SDK on their forum v0.9.5. My ESP-12 came with with pretty old version so I decide to update it to latest one: [crayon-5a331ab46e529451595248/] ESP-12…

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Power on of ESP-12 (ESP8266)

ESP8266 is a SoC made by Espressif. For last couple of months this chip is a rockstar of HackADay and makers community around the Internet. Mostly because of WiFi modules built based on it (ESP-XX…

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