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nRF51822 books, documentation 0

Hello. Can I get a literature to the nRF51 series? I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
- bluetooth low energy
- nrf51822
878 views

0 replies

Started over 9 years ago
by HAKMUN
Not Answered
some connect problem when use hts . 0

hts, HTC phone, nrf tools HTM, nrf51822, every time when it's power up : the once connect: error code 0x7A cann't read characteristic and 0x14 state change. the second...
- hts err manual
704 views

0 replies

Started over 9 years ago
by Liu
Not Answered
4 channel wireless transceiver and 4 RF temperature sensors as a finished product set: 0

Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
- any fcc approved
1062 views

0 replies

Started over 9 years ago
by baha93
Not Answered
How to get Value of multilink_peripheral on terminal, that is displayed on Mastrer Control panel 0

I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
- value
- mcp
- dongle
- lave
- terminal
631 views

0 replies

Started over 9 years ago
by Mohib
Not Answered
SPI Multiple Masters 0

Hello, I am tryong to use to masters to communicate with two accelerometers. Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
- spi
- multiple master and slave
2617 views

0 replies

Started over 9 years ago
by Milad

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

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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