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 develop an application in the past with ARDUINO and a nRF24AP2 module with great success. I can read 8 heart rate monitors ANT+ sensors in the same time, with 8 differents...
I am a newbie in embedded programming. I want to encrypt some advertising data using aes-ecb API, provided by the softdevice but I am not getting any encrypted data after...
Hi,
We are currently using SDK 10 experimental boot loader example. We would like to encrypt the firmware before creating the zip file for OTA. The procedure we followed...
Hello everyone,
I am trying to use BLE module on nRF51 in central (oberserver) mode using IOT Softdevice. I want to scan for any device around my board.
I get error when...
I'm trying to read 8 adc channels using SPI, but then if I dont put some nrf_delay_ms the MISO return nothing and the CS is being driven low by default, high or a period of...
Hello All,
I am interfacing WS2812 RGB ringx16 with nRF51822 and use nrf51-neopixel library from github.com/.../nrf51-neopixel
Its not working.
for example : value...
Hello,
I was looking into Gazell and read that Gazell only allows pairing when Host and Device are in close proximity to each other. This range is about 30 centimeters...
I'm trying to maximize BLE throughput between a central and peripheral (I'm programming both) running the new s132 SoftDevice v3.0. I can't achieve the maximum data payload...
I am trying to use the NRF51 dongle (PCA10000, firmware ble-sniffer_nRF51822_1.0.1_1111_Sniffer.hex) with the sniffer software but on selecting a sniff source and starting...
Hey,
I successfully build and load the ble_uart_pca10028_s130. Now i want to edit something to the Code and this error is shown up.
I think I have to include something...
Hi there, I have done search and know there are several similar questions, but unfortunately I didn't find any useful answer after carefully reading through them, thus I decide...
Hello,
I've just read the thread explaining the UART baudrate register settings. I then looked at the nrf52_bitfields.h file and found that the baudrate register values...
Hi ,
We are using Nordic SDK for our development and we have done some changes as per our requirements in the SDK . We are going to share the same with our end customer...
Is there any BLE chip under development which has lesser IO pins, as I feel most of the IO provided are underutilised.
I may be wrong or there might be technical issue...
hi,
i have a requirement to connect two nrf51(PCA10028) boards to connect each other.
1).if i turn on the Board1 should scan the bluetooth devices if any other bluetooth...
