How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
Hi, I am using a nrf51822 with sdk 7.2.0 and s11o v7.1.0
I also have a imu ( mpu 6050 ) that gets accelerometer and gyroscope data.
How do I do continuous transmission...
Hi,
I am using the nRF51 Dongle and every time I send a command the pipeline goes into "Stall" condition. Using USBlyzer I can see that the command is sent but straight...
Hello,
I would like to build a device that looks for other beacons (not using a phone)... This device would simply look for other beacons near this device.
My questions...
I just tested putting the same firmware on two different nRF51822 s and inspected them with this test app .
They show two different UUID's.
I can find no macro...
Hello guys!
I'm experiencing some troubles trying to compile the blinky_rtx example for my new nrf51DK. The source is taken from the SDK7.2.0.
I'm under Linux and I...
I am brand new to nRF51 DK and I am struggling to figure out where to start. My goal is to periodically sample analog inputs and write them to SD card.
Can someone point...
Greetings,
Is there any way to increase the pairing distance needed for the host and device to pair. The application I am developing needs static devices, if they loose...
Hi there,
I am little confused about how the BLE interrupts work, when they are executed, and how can I explore their results.
And, what is the difference between on_ble_event...
Hi,
I am trying to get a PWM output via GPIO. I have been following this link.
devzone.nordicsemi.com/.../
and used the GITUB project as it is github.com/.../nrf51...
Greetings,
My name is Maria, I’m working in an application with the nRF51822DK to communicate via Bluetooth to the USB dongle (PCA10000) and send data between them. In the...
Hi,
I'm seeing a lot of this issue with iPad mini (1 gen), iOS 8.1.3.
Many times I start the bluetooth app, the connection just drops while doing service discovery,...
Hi,
I am trying to run event based UART. here is my code snippet:
void uart_callback(app_uart_evt_t *p_app_uart_event)
{
uint8_t rxbyte;
switch(p_app_uart_event->evt_type...
I'm getting started trying to use the device firmware update (DFU) feature of an nRF51822. I'm using soft-device (bluetooth abstraction) version S110-SD-v7.1.0 , and SDK ...
When I try to update the application on the nRF51422 chip over DFU, I have trouble with the bootloader.
I use the nRF Toolbox app to do the firmware update. I can select...
