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...
I want to restart the radio portion of the softdevice - all of BLE essentially - to update the connection parameters and device name mostly. Is it necessary to re-initialize...
Hello Everyone
I have designed the schematics for my prototype but i have a question for impedance matching can anyone verify my technical doubt
I had put a 2.45GHz...
We are using nrf51822 for products of our company. We use mbed + nRF51822 driver + BLE_API for the BLE peripheral devices. The softdevice is s130 ver 1.0.0.
I create an...
Can the nRF51X22 be paired with an iPhone to communicate (both ways) using regular BLE and emit a beacon signal at the same time? In fact, I'm looking to change the beacon...
So I suspect there is a very simple answer to this, but a couple days of much reading and searching haven't led me to a very clear answer.
My setup: Galaxy S3 (Android...
I'm trying to move data over the uart characteristic. I followed the guidelines here devzone.nordicsemi.com/.../
In the main loop I am calling sd_ble_gatts_hvx until it...
I'm working with an nrf51822 with the s110 softdevice. So I'm trying to read an analog signal from multiple pins. My program will run fine for quite some time. Eventually...
Hey guys,
I need to record many time interval ?, can i generate system time and use it to record all of my time intervals?
If I want to send all of the time intervals...
The gcc compiler is gcc-arm-none-eabi-4_9-2015q2.
The make version is GNU Make 4.0 (Build for arm-unknown-linux-gnueabihf).
The error message is:
... arm-none-eabi...
So I'm using the spi_master.c from SDK 6.1 to communicate with an LCD driver. I'm using an nrf51822 with s110 softdevice. My system has been sporadically hardfaulting on me...
Hello all,
I have found closed topics here with similar names ( devzone.nordicsemi.com/.../ etc.) but my question is about adding the characteristic with encryption.
My...
Hi,
I'm trying to transition my application from SDK 7.2.0 to SDK_9.0.0 and am having some issues when including ble_advdata.h compiling with gcc:
In file included from...
Hello,
I know I'm not supposed to use TIMER1 with IRQ 0 when using a SoftDevice but I want to try anyway :) I want to do some bit banging with timing that is timing sensitive...
I am trying to program custom boards with the NRF51822 using an ARM-Flasher with no success. Using J-Flash I can connect to the device properly, program and verify the hex...
What could be the reason for?
Couldn't find any error descriptions.
Using Laird BL620US with newest FW v12.4.14
Error occurs as a response to 'scan start 1000 0 0'...
