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Not Answered
PCB antenna used in the nRF51 DK 0

I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
- antenna nrf51dk
742 views

0 replies

Started over 9 years ago
by BCNLANYC
Not Answered
How to see which part of the code/variable is using more Memory ? 0

Hi. I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
- nrf52 keil c memory
749 views

0 replies

Started over 9 years ago
by Muhammad Ahmad Shah
Not Answered
asynchronous pulse counting in low power mode 0

Hello, I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode. Pulses are asynchronous The rate of pulses can...
1077 views

0 replies

Started over 9 years ago
by fakufaku
Not Answered
nRF52 SAADC gain error a function of Vcc? 0

Hi I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52. Both the reference resistor and the PT-100 is sampled while the voltage...
- nrf52
- adc
- gain
- vcc
- nrf52382
- saadc
2249 views

0 replies

Started over 9 years ago
by Visti Andresen
Not Answered
Sample multiple inputs with fixed rate using ADC hal 0

Hi I have been searching the forums, but were not able to find an answer to my question. I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
- adc
- oftdevice
1269 views

0 replies

Started over 9 years ago
by Phillip

Recent in Nordic blog

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#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…
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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…
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Latest guides

nRF5x: Current measurement guide: Introduction

Stian Røed Hafskjold

###Other relevant posts A concise guide to equipment setup, and how to use the development kit for current measurements can be found here: Measuring current with PCA10040 v0.9.0 A post that describes…
- 1 Dec 2015
nRF5x: General PCB design guidelines for nRF51 series

Petter Myhre

When designing a PCB with nRF51, nRF51822 or nRF51422, there are some rules that should be followed in order to get a good working radio/system, with a maximized range. General rule The RF part of the…
- 13 Nov 2015
Software Development Kit: nRF5 SDK Scheduler Tutorial

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2019-02-08: Updated tutorial to cover nRF5 SDK version 15.2. Introduction Scope The following topics will be included in this tutorial: Configuration of the Scheduler library. Using the scheduler with…
- 9 Nov 2015
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Anders Strand

Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Setting up the example projects Background theory Central and peripheral roles…
- 4 Nov 2015
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Einar Thorsrud

2018-11-23: Updated tutorial to cover SDK version 15.2. 2019-02-08: Improved example project (SDK 15.2) and updated instructions accordingly. Introduction Scope The following topics will be included in…
- 30 Oct 2015
Bluetooth low energy: Bluetooth low energy Services, a beginner's tutorial

MartinBL

Before we begin Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Some basic theory The Generic Attribute Profile (GATT) Services…
- 26 Aug 2015