Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
This is not a real question for support. It's more a success story i'd like to share with you!
Our company develops firmware for various customers on a lot of different...
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...
hi,
i want to restart my timer before it expires.
suppose my timeout is 2 second and i want to restart it in between 0-2 second based on signal when i receive before expires...
I've notice that the ST Balun NRF01D3 that I've used for my current design is not listed as compatible with Rev 3 (Build code: H) nRF51822 Silicon. Has there been any change...
Hi everyone,
I am looking into Crossworks and SEGGER's Embedded Studio and since they are related I am wondering which one of them is more recommendable? Right now Eclipse...
Hi,
I have set ble_adv_fast_timeout = 0 (same problem with ble_adv_slow_timeout) to get advertising forever, but when in call sd_ble_gap_adv_start, i get error 0x07 (param...
Hi all
According the nRF51822 Product Specification V3.1, the 16MHz RC oscillator has a tolerance of at most 5% and can be used as clock source for the UART module.
...
Hi,
I am trying to change an example code on ble_app_uart_c (Central) SDK10.0.0 s130.
I have changed already peripheral example and I can see notification data if I...
Hi,
while flashing the device i get "Contents mismatch at: 0001C1C0H".
I am not sure if my IROM1 and IRAM1 settings are setup correct in the Target Settings of my Keil project...
Hi,
i have two microcontrollers: STM32F401 and nRF51822. They communicate by uart with flow control. I use 110 Soft Device from SDK 10. The maximum baud rate when communication...
Hi All,
I am trying to update the HEX file of LED_mesh example using DFU bootloader over-the-air. The LED_mesh application HEX file gets uploaded successfully by bootloader...
