My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
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...
Hi,
I'm working on a bootloader based on the "secure_bootloader/pca10056_ble" example. Everything works fine until I send the new application binaries (.zip file) and the...
Hello All,
I am working on the NRF51822 custom board.
I am Using the SDK 12.3 with s130 (PCA10028)
1.) Is it right sdk for nrf51822..?
2.) Facing issue in configuration...
Hello,
I am working on a beaconing application and I was wondering if it is possible to run the code beginning with system off mode and wake up the board with a button press...
Hi,
we are using a sensor which streams out buffered data to an ios or android app. If we face a disconnection the data gets buffered and send when reconnected.
But the...
Hi,
I am using customized nrf52 board with softdevice s132
I am trying to interface External Flash (MX25L64) using spi.so when ever i am trying to send any command /data...
Hi
I figured out, that the macros in nrf_esb_resources.h are wrong.
You can find the used resources (PPI, TIMER and SWI) of the ESB library in Enhanced ShockBurst...
What is the operating and storage temperature range of nRF52840-DK development kit and USB dongle? We need to use these evaluation boards at a temperature range of -20 to...
Experts,
I'm trying to use NRF52480 Dongle to communicate over UART serial port. On the forum I found that pins 1.10 & 1.13 are used for TX/RX. I learned that flow control...
If i buy a raw nRF52832 chip and design the circuit by myself, how can i pre-programm the serial bootloader in it? So i could use the FTDI Basic (or an FTDI Basic -like device...
Hi,
Is there any way to change the advertisement name before switching to DFU mode?
I have a custom app that reboots into DFU mode (via NRF_POWER -> GPREGRET ). I want...
Hi,
I've to design an alimentation with capacitors to keep energy and filter current peak. To do that I need to know timing for NFC peak current. Do someone have information...
Hello,
I have a running system constituted of a central and 15 peripherals using nRF52840 devices. The central is set to scan the peripherals for 5 seconds then stop and...
Hello,
I'm implementing a beacon scanner with nRF52 using nrf_ble_scan.c. After the scan has been configured with no filters, no advertisement reports are returned to the...
Hi,
The definition of the COEX1 pin looks to be really interesting for applications that need a reliable time reference. A 1PPS GPS output is very useful; absolute accuracy...
Hi
Our nRF9160DK card seems to have stopped working. We attached a sensor to the card (We might have connected the reset pin on the P7 strip) and now I can't start any program...
