Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
This is not a real question for support. It's more a success story i'd like to share with you!
Our company develops firmware for various customers on a lot of different...
Hi all,
What is the maximum data rate for the nRF24AP2 when using the Synchronous serial interface?
I cann't see it in the datasheet.
Is there anyone can answer me...
Hi,
In my design, there is a tag used by 24l01,It can transmit the temperature value.In the tag, the parameters are like this:
addrofch[0] = 0xe7;
addrofch[1] =...
We are developing a BTLE perihperal product using nRF51822 chip. But we would like our product can be up-gradable. So we will need a Bootloader (by UART or other interface...
while creating a Makefile for DFU, for BLE DualBank only, I'm getting some odd errors:
../bootloader_util_arm.c:19:1: error: 'at' attribute directive ignored [-Werror=attributes...
SDK v5.1 /v4.4.2
Keil 4.73/Keil 5.1
delay function seems doesn't work well in new version of keil. But I need it to bebug and flash nRF51822 with new keil.Need your help...
I would like to use an nRF8002 in a proximity detection application.
I would like to be able to send a request/command to the device to start a continuous or rapid transmit...
This may be an obvious question, but I wanted to make sure that my assumptions are correct.
The nRF51822 is able to use an external 32kHz crystal oscillator for its low...
In the 51422 Prod Spec v2.0 it states that “high performance RF capacitors” for the X7R decoupling caps should be used.
Is High performance RF equivalent to a “High...
Hi,
I am trying the Direct Test Mode (DTM) function integrated into the nRFgo application. I am using the nAN-34, Dev Kit User guide, and help (F1) in nRFgo as documents...
I use DK usb dongle to catch data from my ble device , but I can only catch the broadcast data . When the ble device is connected to PC ble dongle , I can't catch data any...
I have Olimex Mod-nRF 8001 Module which i bought it from here . It has break out the RDYN,REQN,MISO,MOSI,SCK and reset pins. My question is can i connect RDYN and REQN lines...
I used the Nexus 5 with android OS 4.4 and try to
use both the "Master control panel" and "Toolbox" Apps to upload firmware.(DFU)
When I use the "Master control panel" App...
We are using an nRF51822 with s110 v5 and an iPhone. When the iPhone connects to the nRF51822, occasionally (perhaps 1/4 of the time) the iPhone fails to complete service...
Having some issues with the examples on the nRF51822 development kit. Hoping someone can help.
Working from nRF51822_Development_Kit_User_Guide_v1.3.pdf.
Motherboard...
Hi all.
I am making a PCB for nRF51822. My PCB need is to talk with iPhone for BLE Proximity application. Also I need to control a LED from iPhone. And I need to get low...
In short: Is it feasible to use RSSI values when tuning the antenna?
I have a custom board with an nRF51422 on which I have designed the RF part to be as much as possibly...
