Category Archives: nRF51822

BLE DEVKIT.N main Board for nRF51822 Nordic Development Kit

We are proud to present our new BLE DEVKIT.N main Board for nRF51822 Development Kit. It is a must for every bluetooth low energy developer using nordic tools.

Some of the feature

  • Easy access to all GPIO pins(P0.00-P0.30) by multiple types of connectors, suitable for any applications and extension boards
  • Easy tracing via printf redirecting to serial communication port
  • Different ways to power up the nRF51822 Development Kit, via USB, coin cell battery(CR2032) or external power supply(5V-30V)
  • Full compatibility with Nordic SDK examples, so not need to reconfigure any pins for buttons or LEDs. Just works
  • BLE DEVKIT.N provides a room for mini prototype breadboard giving additional flexibility to the developer
  • DIP switches(SW1,SW2,SW3) allow an easy connect/disconnect of buttons, LEDs and USB-to-UART bridge to the GPIOs

BLE DEVKIT.N R1

BLE DEVKIT.N R1


Namaste!

More info at BLE DEVKIT.N

Easy tracing and debugging with BLE DEV.N (Bluetooth Low Energy)

For embedded hardware tracing and debuting is a vital step to a stable product. Unfortunately it is not all the time a easy task. Luckily BLE DEV.N board has an option to trance and debug via serial port.

You need to:

  •  add #include “mk_trace.h”
  • initialise the mk_trace service with: mk_trace_init(256,256);
  • add trace messages like: mk_trace(“ADV START: %d\n\r”, m_advertising_mode); or mk_trace(“ERROR code: %d, line: %d file:%s….)
  • run some terminal software like putty with com port number(using Device Manager) and speed: 921600
Device Manager

Device Manager

PuTTY MCP2200

PuTTY MCP2200

  • watch the output
PuTTY MCP2200

PuTTY MCP2200

Namaste!

P.S. You can find the service code and sample at github .

BLE DEV.N R2, Updated User Manual (Bluetooth Low Energy)

We updated User Manual for the BLE DEV.N R2 Board with more detailed explanation about change which is needed because of the crystal we use on the board. When you try to run all Nordic Bluetooth Low Energy examples (ble_…) with our board, you need to change clock source to NRF_CLOCK_LFCLKSRC_SYNTH_250_PP in SOFTDEVICE_HANDLER_INIT macro like this SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM...

It will make initialisation of the SoftDevice to pass successfully and your example with not hang anymore.

Namaste!

BLE DEV.N with ST-LINK/V2 (Bluetooth Low Energy)

Today we experimented to program BLE DEV.N R2 ST-LINK/V2 from STM32F3DISCOVERY and “hourra”(hurray)! It was possible to program it and debug it step by step directly from IDE.

BLE DEV.N with ST-LINK/V2

BLE DEV.N with ST-LINK/V2


BLE DEV.N R2, ST-LINK/V2, Keil IDE

BLE DEV.N R2, ST-LINK/V2, Keil IDE


We expect that probably will be possible even to use the cheapest board from ST 32F0308DISCOVERY and tomorrow we will test with it too.
So one more option to program and make fun!

BLE DEV.N User Manual (Bluetooth Low Energy)

Happy Christmas Everyone!

We just publish the user manual for the  BLE DEV.N board, revealing lot about the product and it’s usage.
We also tested the board with Nexus 5, Android 4.4 and it works like a charm. Meanwhile Nordic Semiconductor releases richly-featured nRF Toolbox for Bluetooth smart development on Android with memory efficient DFU, so Android fans can start coding and experimenting with full speed.

Enjoy!

You can easy upload custom code on BLE DEV.N board without a programmer (J-Link/J-Trace)

Now, it is possible to upload custom code using on BLE DEV.N board USB-Serial connection. This will remove the need of owning a programmer (which are quite expensive). I think it will make happy all the hobbits who does not have bugged to buy, but have the passion to explore magic of the Bluetooth Low Energy (BLE) and do nice gadgets talking with their smart phones.
Here is the detailed document BLE DEV.N DFU v1.0
Enjoy!

BLE DEV.N (Bluetooth Low Energy Board) Digital Thermometer, Part 1

I was wondering what kind of sample to create in order to show how easy is to debug and connect BLE DEV.N board to an iOS application. Decision is made, let’s be a Digital Thermometer. Project is still in development. Final goal is board to talk with iOS BLE enabled application.
Here is hardware layout, BLE DEV.N board + DHT22 + one resistor of 10k ohm.

Digital Thermometer Setup

Digital Thermometer Setup

Digital thermometer printf output

Digital thermometer printf output

Code can be found here: Github.

Next steps are, implementation of the BLE layer and iOS application which can read the temperature and humidity from the setup.