Hello All,
We are using nrf52840 board interface with wiznet550i.
We try to implement mqtt tls 1.2.we get following errors..
I get certificate verification error -0x2700...
Hi,
i am using SDK v8 with softdevice v8,using master control panel pc application,added custom service and characteristics to application,problem is characteristics value...
There is the board mark on the chip like n51822CEAAD01350A0, where DO is Build code, 1350 is tracking code(YYMM), A0 is lot code.
My question is how can I get those codes...
I'm trying to debug a randomly occuring Hardfault. In trying to trace down the source I read the CPU registers use the Nordic hardfault_implementation.c which grabs the register...
#Why use trace
"Embedded Trace Macrocell (ETM) allows to capture information on the processor’s state without affecting the processor’s performance. Microcontrollers that include an ETM allow detailed…
Now delivering into kids hands in UK
BBC micro:bit has, as I write this, been delivered into the hands of 450 000 UK schoolchildren with a further 500 000+ to be handed out over the next couple of weeks…
The award winning nRF51822 is now available as an ultra-thin Chip Scale Package) CSP variant. Measuring just 3.38mm x 3.38mm and with a height profile (including ball grid array) of just 0.35mm it is tiny…
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…
Before we begin
Scope
Topics that will be covered include:
Before we begin
Necessary equipment and software
Necessary prior knowledge
Some basic theory
The Generic Attribute Profile (GATT)
Services…
Setting up the Timeslot API
When you want to use the radio while still maintaining a BLE connection or have a task that you need to do uninterrupted by radio activity, you can set up a timeslot. The timeslot…
Radio Notification
In this tutorial we will set up a beacon example and modify it to use radio notification. Then we will use radio notification to light a LED when the radio is transmitting.
While this…
Board Support Package
In this tutorial we will use the Board Support Package to control hardware peripherals on the nRF51 or nRF52 DK.
Required tools
Keil 5.20
nRF SDK 11nRFgo Studio 1.21.…