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Looking for developer in Minnesota, N. Dakota, S.Dakota 0

Hi, is there an available developer in my tri-state area of Minnesota, N. Dakota, or S. Dakota? Please call me if you are available for a project for hire. The developer should...

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Started over 8 years ago
by tdors
Not Answered

nRF52 EasyDMA must be on all the time? +1

I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...

1366 views

0 replies

Started over 8 years ago
by Yano
Not Answered
Multiple nrf51288 uart connection 0

Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 . idea similar to this: ...
- nrf51822 mbed
1393 views

0 replies

Started over 8 years ago
by titusf
Not Answered
SPI: Cannot write to full LCD screen 0

Hi, I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI. Currently the code writes two numbers and a...
- nrf51422
- nrf51
762 views

0 replies

Started over 8 years ago
by LK13131
Not Answered
Possible hardfault when using APP_TIMER with GPIOTE over S120? 0

I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well. ...
- s120
- app_timer
- gpiote
815 views

0 replies

Started over 8 years ago
by Johnson

Recent in Nordic blog

Nordic Semiconductor nRF51822 Firmware for Background Data Recording

scytulip

#Nordic Semiconductor nRF51822 Firmware for Background Data Recording Updating on https://github.com/scytulip/nrf51-back-rec Design Objective This firmware is designed for low-cost long-time low-power…
- 23 Oct 2014
Nordic nRF51822 ARM Cortex-M0 Development using emIDE

Hugh

Nordic nRF51822 ARM Cortex-M0 Development using emIDE To avoid the hefty charges with commercial compilers I tried emIDE with some success; here are the settings I used for the EV Kit Official emIDE…
- 22 Oct 2014
Beacon Kit - Mistake in Ref_Design_UG_v1.0

Salman

I connected the programming header as described in "nRF6930_Beacon_Ref_Design_UG_v1.0.pdf" 5.5.4 Programming interface. I was trying to program Beacon Kit but failed many times then I compared it with…
- 10 Oct 2014
SD card interfacing

Salman

Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
- 10 Oct 2014
How different BLE packet types influence throughput

Stefan Birnir Sverrisson

There are several types of write operations, write request with authorization, write request without authorization and write command. You can see message sequence charts for those messages here and he…
- 9 Oct 2014
Measuring Lithium battery voltage with nRF51

Stefan Birnir Sverrisson

Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider and a connected capacitor. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and…
- 2 Oct 2014