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...
Hi,
Happy Monday! We have multiple PTXs and multiple PRXs in a setting, all operating on a single channel. Is there a way to allow a PRX to receive but disable it from...
Hello,
We have observed fluctuation in Gas sensor readings from Nordic Thingy:52.
eCo2 and VOC readings are not at all near the calibrated sensor readings.
Tried Nordic...
Hello,
I am in a little bit of trouble here trying to flash a 3rd party module that is mounted on a custom PCB I made with the SWD pins exposed for programming.
I've...
Hello,
I am using pca10040 and sdk12.2. I am using nrf_beacon code. I flashed the code in dk. I am able to scan the beacon but I n/a appears as default name in nrf connect...
Hi team,
My 52832 act as central device. It can discover service and characteristic of peripheral. The problem is it can't get the UUID of every characteristic of service...
Hello! I try to add nus service to ble_app_template.
I add ble_nus.c file into project
add include "ble_nus.h"
declared service
BLE_NUS_DEF(m_nus);
add into...
I guess my question is stupid, but I would like to ask it by the way..
in all ble examples we use a function for handling ble events by our app
in my case in example ble_app_uart...
I'm trying to launch my app on a custom board with nrf52 after a successful launching on DK. The problem is here: err_code = sd_softdevice_enable(p_clock_lf_cfg, softdevice_fault_handler...
Hi folks, I'm making progress with a program to get two nRF24L01p modules communicating with each other, but there are a couple of remaining problems. I hope someone can help...
I have a little bit of experience on TI BLE stack development and wanted to move to Nordic product with Bluetooth or ANT protocol for a higher data rate. I got a general question...
Hi All,
I have a problem with .hex file. I use example ble_app_uart from nRF5_SDK.
In examples\ble_peripheral\ble_app_uart\pca10056\s140\armgcc I executed: make all and...
I try to turn off the system with sd_power_system_off()
// Go to system-off mode (this function will not return; wakeup will cause a reset).
err_code = sd_power_system_off...
Based on 'ble_app_template' in nRF5_SDK_12.2.0 (S132), I develop a program with nRF52832.
The problem is that the program will restart after reaching APP_ADV_TIMEOUT_IN_SECONDS...
Hi,
I have a few questions about using floating point in nRF5 chips. As discussed here , nRF51 has no FPU but we can simply use "float" in Keil and have the operations...