I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
I'm prompted to select the target device for a new uVision project. As far as I've found so far, they both are the larger memory variants (256KB).
segger.com/jlink_supported_devices...
Hi,
How can one calculate the distance between two beacon based on RSSI values?
How can one find location based on RSSi values of the beacons ?
What are short comings...
I tried the Bjørn's code : devzone.nordicsemi.com/.../
I didn't make it... Could you help with a simple code you've tried for adxl345 ?
Thank you
Yassine
Hi Nordic!
On the radio_test example, the functions scanf and printf are heavily used, however, I haven't found where they are defined. This example is reading the data...
I really need your help regarding a problem. I developed my own pcb with nrf52 and verified it with your hw engineer. I just finished soldering and hooked it up with your...
Hi,
Is there any ready made app of NRF52 and NRF51 ( beacons), where beacons are communicating with the NRF52 and based on some nordic app for PC we can view that how many...
I have created a BLE peripheral device using nrf51822. I have used sdk12.0.0 with soft device 130 and I am using NRF connect mobile app to test my device.
When I connect...
Can I create Characteristic with Notification only, no Read, no Write
I can remove the //char_md.char_props.write = 1;
and only the Read and Notify Properties show up...
Hi,
I am totally new to NRF52832 chip and I want to use ANT+ in my sensor networks related project. I am using keil compiler and S332 softdevice (I am also using BLE therefore...
Hi,
I am working for the first time with NRF52832 flash data write. I have (ANT + BLE) application and and I basically want to save the data in ROM in order to keep it saved...
Designing a custom pcb, we have a few questions, and maybe you could help a little bit.
On this Nordic design ,before proceeding to layouts :
Can I skip pins 45/46...
So im trying to create a generic library to test any Bluetooth device. So far i can connect to the device but since i dont know what are the services and UUID available im...
Tried Flasher Portable Stand-Alone Mode with J-Flash 6.14 as following:
Create .jflash Project for nRF51822-QFAA
Open Data .Hex File
From J-Flash, select Target...
Hi,
This is obviously not the first question about this, but I still haven't found the answer I need here...
I would like to make a kind of serial to BLE gateway on...
Hello Nordic Community.
I'm having issues trying to control a simple RGB LED circuit with the NRF52. I have set up 2 timers and PWM instances Red and Green on PWM1 and...