I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi there. I'm making a sensor system which is intended to measure an ADC value, and send it using the Heart Rate Sensor template. To make this, I've rebuilt the ble_app_hrs...
Hi
Does the newly released nRF52840 chip have pins on the side, corresponding to the "outer ring" (A8-23, AD2-23, B1-W1, ...) pins on the underside of the chip, like this...
hello i am interfacing i2c sensor mma8452 with nrf51 dk. my function is
void mma_read(uint8_t *x, uint8_t *y, uint8_t *z)
{
uint32_t err_code;
uint8_t rx_buffer...
I have to sample 3 differential channels periodically. Should I calibrate SAADC for each channel individually? Unfortunately, "nRF52832 - Product Specification v1.0" doesn...
Update 2016-Mar-29: I used SDK v10 along with SoftDevice S110 v8 when I run the experiments described in this question.
Update 2016-Mar-30: Upload source code of the modified...
In order to perform dfu to softdevice S132 v3 sdk12 (secure bootloader) from sdk11 softdevice S132 v2 (legacy bootloader).I've change the legacy bootloader as it it says here...
by using Arduino mini pro 3.3v
I am planing to measure the temperature for the first five minutes, if the temp is over 40 degrees the device will send to Android app and...
Even though the SIG hasn't finalized yet and the 1.4.0 SoftDevice isn't out... Can we get a heads up on what to expect for 1.3.0 BLE 4.2 compatibility?
On something...
In arm_startup_nrf52.s (in the 8.9.0 device family pack), there is a new bit of code:
IF :DEF: __STARTUP_CONFIG
#include "startup_config.h"
ENDIF
I assume this...
Hi,
I'm thinking of using the NRF52 for an embedded wearable sensor application.
How much flash and Ram space can I expect to have remaining approx. for my application...
I'm a bit at a loss of how to voluntarily stop advertising: My related thread says I should call sd_ble_gap_adv_stop() , but when I do, no corresponding event is raised by...