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 have never used the GPIOs near the RF pin (GPIO 22, 23, 24), until my latest project, which I needed to due to pin limitations. It is normal for pins adjacent to RF outputs...
Hi.
I try to test using ble pc-drivce C library & 52840 dongle on pc.
except custom service. everything is fine.
under below is custom service pic.
...
This seems to be a recurring question. I suspect the Wireshark/nrf-Sniffer setup is delicate enough that minor changes/upgrades in any of the components causes a problem....
nrf52832 , SDK_V15.3 , ble_app_uart sample code , data communication problem.
Hello there...
I use the SDK V15.2, ble_app_uart sample code, on the nrf52832
seems the...
Hello,
Currently working with Segger 4.42 and SDK 15.0
I've searched around the devzone on doing a passkey connection between my server and central.
I've used the ble_app_gls...
Hi, I'm having trouble pairing with Android devices using the SDK's ble_app_gls example, when I try to pairing with any andoid device it throws the following error "couldn...
I Modify my code for 7 buttons from 7 gpios. But my code has a issue at sdk_config.h. The define of GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS is 9. When I built the code and download...
Hi all,
The nRF52832 spec. document specifies that the current consumed in System OFF / No RAM retention / Wake on LPCOMP mode is 1.9uA. However, if I measure the current...
Hi,
A couple of months ago, the Bluetooth SIG published a specification for LE Audio : a new codec and method to send audio data through BLE 5 connection.
Is there an...
Hello,
Few questions about NUS and NUS C please.
Is there any way to know how many TX are pending ?
Are TX notify or indicate ? How to change it please ?
Thank yo...
Hello,
Based on aws_fota sample, I want to replace the line with poll with something that not blocks (because I have another things to manage in my loop). Do someone have...
Hi,
I am evaluating nRF52840 DK as a peripheral with 300ms interval with no timeout (continuous advertising with APP_ADV_DURATION set to 0 ).
I understood that while APP_ADV_DURATION...
I am developing for an nRF52810 target application.
I am using IAR 8.42 with a PE Micro debugger. If I debug a project (call it project A), the linker ROM space starts at...
Hi,
I tried the SDK_DIR\examples\dfu\secure_bootloader\pca10040_s132_ble example from nRF5_SDK_16.0.0 with my custom board with nrf52832 mcu.
I followed this guide:
...
