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...
Hello!
Do I need any extra passives, connecting SD card to SPIM of nRF51?
It works fine with MOSI, MISO, SCK, SEL, VCC and GND directly connected, just want to be sure it...
Hello,
I am getting NRF_ERROR_NO_MEM when initializing second PWM instance, I tried to find the reason, but no luck. Please help.
I am using nRF51822 with SDK9 (+fixed...
I bought a EV board below to develop in the nRF51822
( www.wvshare.com/.../BLE400.htm)
I have installed all necessary tools like Keil MDK-ARM, J-Link, nRF51 SDK and nRFgo...
Hello Everyone ,
I am using ble stack S110 , BATTERY SERVICE , my CUSTOM SERVICE and pstorage module in my application and using SDK 7.0.0 and keil 5.12 IDE .whenever a server...
Hi
We are making a product based on nRF51822 and have used the ST BAL-NRF01D3 balun, but due to lack of updated datasheets for the balun we are unable to determine if it...
my dk board : nrf51422 and nrf 52382,
the central role : nrf51422, and the peripheral role is 52382.
my sdk version : 52422 is 10.0.0 and 0.9.2 for 52382
the project...
Hello,
I would like to make an iOS app read BLE advertising packets (sent by nRF51) in background mode. The nRF51 sends ADV_SCAN_IND packets and is not connectable.
...
Hello,
I am trying to make battery service in my application so i refer the proximity example in SDK 9 and i flashed into my kit it showing always 100percent in the nordic...
Hello,
I have searched through the questions regarding RF PA recommendations but I think none solved my issue.
I would like the nRF51822 to broadcast at +10dBm, so I...
Hello to all,
i'm new to nRF51822 ble developing but have experience with embedded design on various microcontroller;
I have a little problem inside bootloader code: in...
Dear Nordic Support Team,
In previous SDK (6-7) I used to always call softdevice functions when possible/existing to keep compatibility with BLE.
For exemple, PPI functions...
Hi,all.i want to use nrf51822 to drive brushless DC motor and need use 6 pwm signals.Can i generate these signals with nrf51822? Thanks for your reply!
When calling sd_ble_uuid_encode() I get NRF_ERROR_INVALID_PARAM in one project while in another I get NRF_SUCCESS with the same params on same SoftDevice(S110 8.0.0) on same...
Hi,
Can a peripheral choose among multiple central?
Consider a situation where I have a 3 centrals.
Lets say CentralA, CentralB and CentralC with,
CentralA - High...
I am really puzzled by this and although I've read all the relevant answers in the Q/A I'm still unable to do the following:
do non-selective scanning with central device...
