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...
Hello all,
I am trying to program my custom board using the debug out from the nrf51-DK.
I connect all the needed pins and on the nrfgo select the Segger but when I do...
Hi,
I want know how nrf51822 bootloader finds images type(means weather it is softdevice,bootloader,app) when we pass an image to bootloader for update. And also how bootloader...
There is a list of 3rd party modules at www.nordicsemi.com/.../3rd-Party-Bluetooth-low-energy-Modules . Will it be updated to include nRF52840 modules?
It appears the nRF51822 Product Spec does not list the current nor power for the radio DISABLED state. The Reference manual description of the state is “No operations are...
Hi everyone,
First post here, so apologies in advance for lowly questions!
I have a Fanstel EV-BC832 dev kit for their BC832 module , which uses the 516K Flash / 64K...
Hi all,
Having a bit of an issue with the SPI manager scheduler. When sending small packets (<4 bytes), I seem to be able to queue as many requests as I want.
However...
I asked the following question, TWI Stuck Bus Recovery , last week and got a great answer which I implemented. I tested my implementation by changing the device addresses...
Hi everyone
I want to use nrf sniffer for debugging.
But I don't have required hardware Evaluation kits in User Guide
Can I combine single nrf 51822 with USB-to-UART...
Hi
Im trying nrf52832 with 0 BMD-350 Evm.
Working with IAR, nRF5_SDK_13.0.0_04a0bfd.
I need ble_app_hrs_pca10040_132_uart working properly.
Seem like there is a main...
On very rare occasions when a connection is made, our device manager (peripherial) callback gets called with event id = 0x23(DM_EVT_DEVICE_CONTEXT_DELETED?) and event result...
Hi,
I am performing "just pairing" using peer manager ( SDK 11.0 ) in my custom board which uses nrf52 chip.
I am getting this events
PM_EVT_CONN_SEC_START,
...
Hi, I'm using nrf8001 nordic chip on my project. With some time on the nrf8001 chip begins to send the HW_ERROR with failure on ll_lm.s0.c and line 571. This not crash the...
Hi,
I am using the nRF52832 and I have been trying to meausre the centre frquency on a specturm analyser. But, the centre freq on the specrum analyser is 1.81GHz when it...
Hi,
I have a beacon that uses 4 AA batteries, each has 1.5V and 2600 mAh. When connecting the board to the PPK I get the attached measurements when doing a lot of scanning...
