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...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
(I've seen several other posts mentioning similar issues, but many of them haven't resolved or found a solution that seems to apply in my case.)
I have a custom board that...
Hi,
I have a simple and basic question. it may be chilly. the internal flash memory can store the data, but the question is it has stored as byte per address or word per...
I am using a nRF52840 chip in a custom board. I will be using all the SAADC channels, as well as 4 SPI connected ADCs.
The board itself will likely be powered for days at...
Hi !
I am using NRF52DK and I want send some daat with BLE. I have to send 800 bytes in BLE by packages of 25. So I tried this :
BUT when I look my uart terminal, I...
Hi, DevZone,
I am trying connect nRF52480 Preview DK and an Arduino UNO CAN Bus shield.
What I did is:
1) I directly hook CAN Bus shield on the top of nRF52480 Preview...
Hi Nordic,
I started from an empty project with peripherial control first, the code size is about 12KB. Then after adding peer manager and related code(fstorage, fds and...
Hello,
I build a custom board with Nrf52832 , to drive Relays , all works without load , no problem for drive the output.
When i put a load sometimes my device disconnect...
what are the total number of devices that can be connected to nrf24 ?
I would like to make one transmitter and rest of all as recievers without acknowledgment will it be...
Hi,
We are trying to use GPIOTE / PPI to turn a MOSFET on A microseconds after an event clears a timer and to turn it off B microseconds afterwards.
It is easy to do...
I am running into an issue with the Fstorage Library with SDK14 that I did not have using SDK12.
When I am not connected to BLE I can erase and write flash with no issues...
Hello,
I am trying to make BME280 sensor work with nRF51 DK. I just need temperature readings. So i searched if there was some examples using this sensor and i found this...
Seems PPK is broken, it measures ~70mA no matter what I connect it to, even only measuring on a DK in shutdown.
I suspect this happend during measuring on a custom board...
Hi We are making a project where we use Bluetooth mesh, which works fine, but we have a problem with TWI (slave), the problem is when we want to read what is on the slave...
