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Sharp memory LCD library 0

Hi, Has anyone converted the Adafruit graphics library for Arduino, Adafruit_GFX.h, to be compatible with the nRF51? Could you please advise on how to convert this Arduino...
- lcd library
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Started over 9 years ago
by LK13131
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Some questions/maximum ratings for nRF52 ADC device 0

Hi all, I have a few questions: How is that ADC's common mode rejection capabilities? Rejection for 60 Hz interference, etc... The datasheet has "typical...
- nrf52 adc noise maximum rating
1102 views

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Started over 9 years ago
by Therm
Not Answered

nrf51 pca10028 and Android 5.1 throughput 0

Hi all ! I'm trying to evaluate the throughput i can have between a Motorola 4G and the nrf51. The nRF51 is the peripheral and the phone is acting as a central. To do...

1588 views

0 replies

Started over 9 years ago
by T_chapelle
Not Answered

About I2S data acquisition and processing 0

I have a digital microphone chip, it has the CLK, DATA, LR_SEL three pins, now I will pick up the three pin nrf5283 three pin is as follows: CLK connectionI2S_CONFIG_SCK_PIN...

1455 views

0 replies

Started over 9 years ago
by TOM123
Not Answered

A challenging Problem - directed broadcast! 0

static void on_adv_evt(ble_adv_evt_t ble_adv_evt) { uint32_t err_code; switch (ble_adv_evt) { case BLE_ADV_EVT_FAST: err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING...

936 views

0 replies

Started over 9 years ago
by Sriun

Recent in the DevZone Blog

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
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