Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello
I want to connect nRF51822 (on a readbearlab ble nano) to arduino micro which uses 5V logic on a 32U4 IC. I know I can use an external logic level shift, but I need...
In table 32 on page 25 of the NRF51 Reference Manual, there are a bunch of registers with the description "Reserved for Nordic firmware design" or "Reserved or Nordic hardware...
Dear nordic.
I am testing with nRF51822, and have some question about hardware stability check.
nRF51822 have Clock Monitor Unit (Clock fault detector)?
Is WDT same...
I am running a standard schedule loop where I wake-up, service any scheduled tasks, then immediately go back to sleep. However, I am observing the following pattern:
...
Hi,
Everyone,
I have been working with Nordic NRF51422 with keil since laste 4 months.
Now I want to make Dev kit working on windows machine with eclipse GCC
Following...
Hi everyone,
When I run 4 instances (i.e., x2 PWM channels) of PWM with S210 (same example as the ant_background_scanning from SDK 10), after few seconds of constantly...
Hi, I am following the tutorial devzone.nordicsemi.com/.../ . to try to use eclipse to program and debug.
I have installed Eclipse on windows and I can compile without...
Timers are defined by a macro: APP_TIMER_DEF. This unfortunately expands to:
#define APP_TIMER_DEF(timer_id)
static app_timer_t timer_id##_data = { {0} };
static const...
Hi, we're working on a project that involves constant streaming of gyroscope and accelerometer data from an NRF51822 based module to a Linux machine.
What we've been working...
I am using the ble_uart_app on the dev kit with the nrf52. SDK version 11.0.0. How do I get the bsp_event_handler to get fired on a button release and button push event and...
Hi, I'm using stlink + openocd to flash and debug and it works fine.
But I want to measure the current consumption with nrf51822 debug interface off
Is there an equivalent...
I have a high-speed signal which I would like to sample with the nrf51's ADC. The signal is periodic (80kHz) and is from a low-impedance source (op amp buffer). I don't need...
I've been searched windows sample application for bluetooth.
I got android sample code but I need MFC sample code now.
If you have the sample code please let me know.
...
I've been playing around with the multi-central central/peripheral examples and I thought I would modify the peripheral to instead use a service I had written for another...
