Preparing the development kit The USB connector must not be used to power the board during measurements as it will give unreliable results due to added supply and measurement noise when the debugger chip USB port is active. The board should be powered from a coin cell battery, or using the External Supply pins P21 for current measurements.
In the fast-moving world of the Internet of Things, it’s more important than ever to make sure you can keep your products up to date quickly, securely and easily. Updating firmware remotely brings benefits to both companies and consumers.