Hi,
i use anRF51822 with soft device 7.
I run the UART app on my iPhone 4s with ios7 and on the nrf51822 board the ble_app_uart with keil uVision5.
Both devices connected...
Hello,
I upgraded nRFgo Studio software to version 1.17.0. Installation goes OK but the application crashes every time I try to launch it after installation process.. Then...
Hi,
i tried to send data from ios 7 via tx_characteristics(like in UART example) but received error:
didWriteValueForCharacteristic 2A38 error = Error Domain=CBErrorDomain...
I have been trying for a few days now to get my environment setup for development with the nRF51822. Since there is no official configuration for the Mac w/ Eclipse I have...
Apologies if this has been asked before but did search for 'format' in faq and got nothing.
I have been answering to questions.
In my answer I place hard empty lines....
Hi
i use nrf51822 s110 "hrs" example to transmit the data to ios.
I need to add an option to send back some data (from ios to nrf51822). 10 bytes maximum .
how can i implement...
Hi
i use the hrs example to transmit the data to ios.
but i need to add an option to send back data (from ios to nrf51822). 10 bytes maximum .
how can i implement...
I am using the nRF52840 Preview DK with BLE 5.0. In the BLE ATT_MTU Throughput Example,I use several api such as sd_ble_gatts_value_get and so on,but i still can not read...
Hello,
I'm using several gpiote interrupts in SDK 12.0.1.
I want to know the max number of low power input pins.
My configuration in sdk_config.h is like below.
thanks...
Hi,
I need to read more than 3 or 4 Bluetooth Heart Rate Sensors (like chest strap, arm band, and so on)... I need to do this using Arduino and some library.
Could someone...
I'm using the ble_app_hrs_adc_battery_measurement example ADC code in my project
However, I don't understand what these lines do
github.com/.../main.c
As far as I...
I am trying to add spi communication to the twi_master_with_twis_slave project because I need to communicate with two different sensors. I have included nrf_drv_spi.h and...
Hi,
in the NRF52832 documentation the TX chain delay is 0.6 µs while the RX chain delay is 9.4µs.
Does that mean if transmitting two packets in a row to the same receiver...
Hello everyone,
I have been using nrf52 IoT SDK for MQTT implementation. Everything works fine as long as I am publishing or receiving only one character i.e.
param...
In Bluetooth Spec (CoreV5.0, Vol6, Chepter6, Section1) it is mentioned that the random private address is generated periodically by a timer handler. I could not find any mention...
1.specification says that we should trigger EP0STATUS task to initiate the status stage for control transfer(read/write).
actually nrf52840 will auto ack the OUT TOKEN...
In Eddystone example in SDK 12.2.0, APP_MAX_ADV_SLOTS parameter is by default 5, but if I try to use less than 5, an error appears in es_flash.c because in the code, 5 slots...
hello there i want to scan particular device. so i am using whitelist. i change in hear_rate center code. but its not working. other unwanted devices are also scanned. i am...
Hi,
We are working with the nrf51822 on mBed platform
We have created the following profile under deviceinformationservices
in main.c
uint8_t DataCounter = 100;...
Hi there!
I found out that there is some problem in the example ble_app_hrs_rscs_relay in nRF5_SDK_11.0.0_89a8197. I want to restart advertising when adv timeout. I did as...
I'm trying to use app_timer_cnt_get() to implement an RTC Calendar system on a Gigawit module (nRF51822).
I have a test app_timer that has presacler=0 and period=3 seconds...
This is no a question, but i was not sure where to post it.
I was trying to use the nrfjprog command with the new version of SEGGER JLink, but the terminal output was ...
