I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
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 am trying to program an NRF51 DK to read ADC signals at 1kHz with a S130 soft device. I am completely new to programming MCUs and would you recommend using keil or...
Hello,
I'm working with a proprietary chip that has a nRF51822. I want to configure it as a BLE peripheral. I'm using ble_ app_uart example to achieve this.
I tried...
main.c
I am new to nordic devices and currently working on MPR121 touch sensor via I2C on nRF52 device. Using an existing example "twi_master_using_app_twi" as a base,...
Hi
I want to start a new app with the nrf52 to port our app running on the nrf51.
I took as a starting point ble_app_template_s132_pca10040, renamed it, and changed...
Hi!
I get the RAM adjustment warnings when running my nRF52 system:
RAM START ADDR 0x20004000 should be adjusted to 0x20001FE8
RAM SIZE should be adjusted to 0xE018
...
In my application I send a characteristic notification from inside a timer callback function. This causes a restart of my application if I am connected to the board. But my...
It has developed a eddystone-url in nrf52 device based on the current nrf5-sdk-for-eddystone project.
But I would like to know the Nordic's policy about this.
In other...
Hello Everyone,
I wrote the simple software for long push 3 sec and long long push for 5 sec and it is working fine as expected but can anyone suggest me how to create...
Hi there.
I'd like to start measuring the current consumed by a custom board with an nRF51822 on it in various states using a scope. I've read the DK user guide advice...
Hi,
We've developed a prototype for a client and just received the nRF51 chips for production. Problem is that the chips that just arrived is an older revision than the...
Hello, I Preparing the KC (korea-certification. about bluetooth)
KC requirements as follows:
Set Test Modes
Set Continuous modulation mode
Set Unmodulated Continuous...
Hi all,
I'm having a tight deadline upcoming and have run into an anoying problem.
I'm using this NRF51 breakout board: ohtcom.com/.../nrf51-m0-module
I ordered a...
HI I am trying to make 5 characteristics on Nordic and my program does not compile for NRF51822 QF AA or AB. but compiles fine for QF AC. what could be the matter. I get an...
Hi,
At command, I'm sampling ADC for a short period of time. What I noticed is that the current consumption of the chip goes up 2mA, even after the sampling is stopped...
