I am using mbedtls to parse a certificate. The code is as follows:
It builds successfully but when I flash I get the following error:
Failed to parse certificate: -9774...
We are suddenly getting lots of cases where devices aren't able to perform Bluetooth OTA via our iOS app.
Primarily this is what we are seeing is this: `error=There is no...
We are not using system off mode. since we not using external rtc. We are using internal Real Time counter in system on idle sleep (using ksleep).
In Basic led code , We...
Hello Devzone,
In our product we are working with a nRF52840 microcontroller and periodically transmitting large sums of data to a PC or a phone.
We noticed that over...
With the nRF52840, we released our first System-on-Chip (SoC) with a radio that is capable of running the IEEE 802.15.4 PHY, additionally to Bluetooth 5 (Bluetooth Low Energy), ANT+, and proprietary 2…
A case study on optimizing battery power consumption for CC2538 but can also apply for nRF52 based device - https://medium.com/jumperiot/power-optimization-from-3-to-7-months-on-a-single-charge-56de0c30f062…
In this project, we’re going to build a BLE Beacon that transmits temperature, humidity and ambient light levels to a dashboard on the internet. Bluetooth Low Energy is a technology that was designed…
This blog series was created as an attempt to fill in the gap between how Bluetooth Smart is defined in the spec and how you can use our APIs and event from our softdevice to do what defined in the spec…
###Other relevant posts
A concise guide to equipment setup, and how to use the development kit for current measurements can be found here: Measuring current with PCA10040 v0.9.0
A post that describes…
When designing a PCB with nRF51, nRF51822 or nRF51422, there are some rules that should be followed in order to get a good working radio/system, with a maximized range.
General rule
The RF part of the…
2019-02-08: Updated tutorial to cover nRF5 SDK version 15.2.
Introduction
Scope
The following topics will be included in this tutorial:
Configuration of the Scheduler library.
Using the scheduler with…
Scope
Topics that will be covered include:
Before we begin
Necessary equipment and software
Necessary prior knowledge
Setting up the example projects
Background theory
Central and peripheral roles…
2018-11-23: Updated tutorial to cover SDK version 15.2.
2019-02-08: Improved example project (SDK 15.2) and updated instructions accordingly.
Introduction
Scope
The following topics will be included in…