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...
Hi all,
What is the maximum data rate for the nRF24AP2 when using the Synchronous serial interface?
I cann't see it in the datasheet.
Is there anyone can answer me...
Hi,
In my design, there is a tag used by 24l01,It can transmit the temperature value.In the tag, the parameters are like this:
addrofch[0] = 0xe7;
addrofch[1] =...
Hi everyone,
My question is how much current it´s capable to sink an I/O pin configured as output ´0´ ?
In my case I have to discharge a capacitor throught an output...
I am using sd_power_system_off() to enter System Off. It is my understanding that all peripherals are off in System Off, but that GPIO configuration is retained. I have a...
I have the following code
// Initialize timer module, making it use the scheduler
APP_TIMER_APPSH_INIT(APP_TIMER_PRESCALER, APP_TIMER_MAX_TIMERS, APP_TIMER_OP_QUEUE_SIZE...
In the ANT Message Protocol doc, section 7.1.1.1, and in example code, the Device Number is treated as a uint16_t and shown as a two byte field in the flagged extended data...
Hi,
Will something interesting happen when the text segment on a nRF51 DK exceeds 64k? I am using Eclipse/gcc for developing, based on the tutorial provided by Nordic....
Hi,
I am developing a program on a Nordic nRF51 DK, using Eclipse/gcc, and am using J-Link RTT for a debug command line interface. This has worked very well for some time...
Hello,
I've been looking a bit into the nRF52 product specification and I was just wondering how powerful EasyDMA is under extreme conditions.
Let's assume the following...
I am currently working on a device using a nRF905. We want to use the device in Region 2 (USA).
This means that we need to use frequency hopping between 902 and 928 Mhz....
Hi,
I'm implementing a simple bootloader which will not use BLE.
Application will transfer the data from mobile devices using BLE and this data will be stored to...
I'm looking for a smart solution to connect my application to different ANT+ sensors and transmit a logfile to a mobilephone via BT (and receive notifications from mobile...
Hi~ Sir:
I test S120 connect with S110 have problem ,test methods are as follows
S120 connect with S110 ,function ok.
S110 Power Off and On, the interval time about...
Hello everybody,
I've been digging through the forum and the documentation for hours now. But to be honest I don't understand the whole timer thing.
I need a simple...
Hello,
while implementing a BLE link layer, I’ve stumbled over a race condition, where I have a problem to find the cause. Maybe someone of you have an idea, on how to...
I am reading data over the duration of 3 seconds on SPI, but while I'm doing that, I need to send that data over RF using microESB library.
I need to make sure the read...
I use the chip nrf51822, However, SDK8.1.0 example ble_app_uart is base on nrf51422, what I need to do? just replace bsp.c ? and which bsp.c file corresponds to the nrf51822...
