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...
Is there a way to turn off the BLE NUS service once we are done with and turn it back on when we need it? I tried
Seems to have had no effect. I am using the BLE NUS service...
Hi Sir,
I use microcontroller to control the nrf8001 to broadcast packet every 8 second.
I measurement the current, found nrf8001 take more power in sleep mode(red part...
Hello all,
I am super new to BLE, and I have been using nRF5_SDK_12.3.0 ble_app_template example on a pca10040 board with SoftDevice S132 on a nice nRF52832 to create a...
Hi!
I may have found a bug/problem with nRF Connect v2.3.0.
I'm developing an BLE peripheral device based on nRF52832 and using nRF Connect (with PCA10040) as central...
I'm in the process of migrating from SDK 14.2.0 S140 5.0.0-2.alpha to SDK 15.0.0 with S140 6.0.0 on an nRF5280 based custom board.
It should be possible to do a secure DFU...
Hello!
During the development phase, we have been flashing our nRF52 devices directly (though the debugger) and with no signing keys. We have also tested flashing the...
I would like to use the COMP capabilities.
The input is from NRF_SAADC_INPUT_AIN1.
The input voltage is 0.1-0.8V.
I would like to get interrupt every time we change...
Hello everyone,
I use sdk14.2 softdevice S132. I want to write "uint8_t some_array [7] = {0x00,0x01,0x02,0x03,0x04,0x05,0x06};" with use fds_write and read the array from...
When using BLE_GATTS_VLOC_USER to store multi-word characteristic values that are updated by application code, what is the recommended way to prevent a partially updated value...
I am working with ble_app_uart code, in that I am trying to send continuous data over BLE. But the BLE getting disconnected while sending large data.
So I planned to have...
Hi,
We are using nrf51822 QFAAH00 with SDK 110 v8.1.0 in our project, the application will hangs or not work when control stuck at address 0x6b0 (sometimes at 0x640) programmer...
Hi all.
I've followed as much information i can find regarding RTT. I understand that it was build in to the SDK after 11 or so and I followed the guides on https://infocenter...
I use the connection event extension, but there are several concepts that I am not very clear.
Software:S132 v5.0 . SDK14.1.0 nRF52810
Goal: I need to use high throughput...
my TWI device sensor, both its writing and reading address is 0x55. This seems weird for library of nRF since the last bit should be set as 0 for transmission and 1 for receiving...
