Nordic DevZone

Recent and unreplied - Help your fellow developer and earn points!

Not Answered
Wheatstone Bridge Interface 0

I'm looking at interfacing a typical Wheatstone bridge sensor to the nRF51822 ADC. This particular sensor only requires a mA or two for excitation and the output fits within...
- adc
- wheatstone
- low-power
- nrf51822
857 views

0 replies

Started over 10 years ago
by Andrew Kohlsmith
Not Answered
nRF51822 Update iOS 7 disconnects 0

When use the "nRFBeacons" app to update the info on my beacon the following happens: Go to update tab. Select "Connect" Press "SW2" on beacon and see the LED begin flashing...
751 views

0 replies

Started over 10 years ago
by David
Not Answered
invalid length long write characteristic gets through 0

I am using s110 and nrf51822. I've set up up a long characteristic of 154 bytes. Sending between 1 and 154 bytes works as expected. Sending 155 - 160 bytes gets rejected...
- s110
- nrf51822
655 views

0 replies

Started over 10 years ago
by Travis Hendrickson
Not Answered
Filtering beacon's with manufacturer identifier 0

Hi, I tested the nrf beacon application, it allows only the beacons with company identifier 0x0059 (nordic's id). But i need to modify it to support all the device, how...
- android
- ibeacon
1740 views

0 replies

Started over 10 years ago
by balaji
Not Answered
What will it going by this timeout_handler? 0

I use a app_timer_create() function to create a task(200ms once) when in the task_timeout_handle() , I do something more than 200ms, what will this timer going ?
747 views

0 replies

Started over 10 years ago
by Steven_wang

Recent in Nordic blog

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
Sniffer application for OS X

RK

I've put up on Sourceforge, a Mac OSX application which interfaces with the Nordic BTLE sniffer software and has some of the functionality of the Windows application Nordic ships with that software package…
- 1 Oct 2014
Getting started with nRF51 development on Mac OS X

Eirik Midttun

Update: Since this blog was originally written the nrfjprog tool has been ported to OS X (now macOS). This means that the flash programming is much simpler, and it is simply a matter of following the documentation…
- 1 Sep 2014