I use example from SDK 13 ble_app_uart_c.
I changed uuid to my uuid from nrf51 peripherial device. I get event BLE_GAP_EVT_CONNECTED
where made
err_code = ble_db_discovery_start...
dear all,
i need your help.
Where we are:
We use mbed software developer platform.
We have BLE Nano V1.5 + MK20 USB Board V1.0 from RedBear.
We are able to generate...
Hi:
environment:
target board: DK52 board and run LWM2M example of IOT-SDK v0.9
router: ubuntu 16.04 on VM and runs bsserver and LWM2M server on ubuntu 16.04 ...
Hi,
I'm interfacing a nrf51822 and a H8/3294. My question is how much can I drain a the txd pin of the H8/3294. That means my question isn't really about nrf51822.
In documentation...
Hi,
On the 3.30 of nRF52832_Rev_1_Errata_v1.5.pdf, the sleep current with LFXO active is 0.5ÎĽA higher.
I am using a nRF52832 module with the low frequency crystal oscillator...
Hi,
I'm using nRF52832 on SDK V12.2. I add the connection params in the conn_params_init:
static void conn_params_init(void){
uint32_t err_code;
ble_conn_params_init_t...
HI,EVERYONE,
in the document 'nRF51422_PS_v3.0.pdf' ,Page 167, there is such statement
'The selected analog pin will be acquired by the ADC when it is enabled through...
Hi !
According to application requirement, we need to minimize the RSSI variance of the BLE beacon as small as possible. Our RF team has tried to minimize the 37/38/39...
Hi,
I am trying to bond the nrf51-DK with the android smartphone. I want to display the passkey to the user which would be done using BLE_GAP_IO_DISPLAY_ONLY. After which...
Hi, would there be any drawback in setting TIMER_PPI_CH_START to 11 to maximize the number of free PPI for application. 14->15 should be free to use in timeslot and ppis are...
hi, i am new to embedded system.
I am using SPI interface to collect data from the slave(imu) and transmitted it to nrf52 DK,previously,I just used RTT to show the received...
Hello,
I am truing to store data in the UICR register "customer area" from application code. The procedure is invoked only once when the registers are still empty. The...
Hello all,
In controlling two devices simultaneously from one central controller, I have noticed significant time delays in processing the second call to sd_ble_gattc_write...
Hi.
I am using PCA10028 board an SDK10.0.0.
nRF51's Max flash size is 256KB.
Q1. "s130_nrf51_1.0.0_softdevice.hex" size is 302KB already. How can we make HEX file less...
Hi.
I'm using PCA10028 and SDK10.0.0, S130 v1.0.0.
And "ble_app_hrs_c" example is my reference code.
It works well before i add code for timer as below.
void start_timer...
Hi I am an student who is a poor fledging embedded engineer.
I met an error on using nrfgo studio
when I click the tab [Device]-[nRF5X Programming]
I used JLink_V510p...
Hi,
Using ble-app-uart sdk9 example:
Is there a difference where I initialize uart in main? My code is able to run when I shifted the uart_init() after ble_stack_init...
Hi,
I am trying to figure out which GPIO pins i can use as UART on a nrf52 chip if i put it on a custom PCB (Not DK !!). From the reference manual (page 513, 48.10.7 and...
