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，
I am using nRF54L15-DK for Zigbee light_stwitch startup testing. After successfully connecting the development board to the Hub for the first time, I evaluated the time...
I have a custom board with a nRF5340 and need to configure VREGH in DC-DC mode and set 3.0V output on it.
I see the documentation on REGULATORS — Regulator control where...
nRF52810 board will not start on its own. It needs the RTT Viewer to be connected, then it will start and run. It has run on its own before with this configuration:
CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC...
I've seen a few posts about this, but they are all old, and maybe don't apply to USB-C We have a device that already uses USB-C for battery charging. We want to carry the...
Hello I have a custom board with the following dts My zephyr app crashes in bt_enable() Note that uart0 TX pin 8 is used by gps_vrtc_en but uart0 is not defined. Same crash...
Hi
I have been using my out of tree driver for my BG95 module, which I have copy pasted from the zephyr's quectel_bg9x driver (drivers/modem/quectel-bg9x) and its required...
Today I opened VS Code to find all my Zephyr/NRF #includes have the red squiggly lines with an error such as "cannot open source file zephyr/types.h". Right click -> Go to...
Hi,
i acheived writting code that reconnects sequentially with multiple reflectors for my 1 initiator. When i am indoor i had good results, but yesterday i tried it with...
I found this in nRF5_SDK_17.0.2_d674dde/components/libraries/memobj/nrf_memobj.h :
/ ** * A memory object can consist of multiple chunks with the same size. Each object...
Hello,
We are developing a system that have the nRF5340 as a part of several MCUs, and we want to be able to upgrade both cores.
According to this: DFU for the nRF5340...
Hi,
I found that the NRF 54l15 can only estimate distance based on channel sounding and RSSI. On the bluetooth website it mentioned channel sounding accuracy being around...
Hello,
I'm looking to get XInput working on the nRF52840 so that our device can appear as an Xbox-compatible game controller. I'd appreciate any guidance or recommendations...
Hi all,
It is a common convention to configure the I2C SCL signal to be push-pull instead of open-collector if there are no other I2C masters in the system (saves a pull...
NRF52840
S140
App based on ble_app_multilink_central.
I have tried to build a bridge between BLE peripheral and PC.
I have spend so many time on PC side app.
The...
Dear Forum,
I have an nrf54l15 device and I would like to send a pure sinusoidal tone and measure the phase difference, retrieve I/Q values at the other device. This is...
