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.
we are planning to use 3 chips of 51822 to implement a data collecting system. one chip uses s120 and the other two use s110. chips using s110 collect data and deliver...
Hi,
I have a piezo buzzer connected to pin 14 on a Nordic nRF51822. Here's some code I use to drive it, based on the Nordic PWM library here: github.com/.../nrf51-pwm-library...
Hi,
We have an issue with app_uart_fifo which occasionally locks up during data transfer from NRF51 to an other uC.
System description:
We're using first revision...
I am working with the nrf51822 eval kit and custom boards based on the Laird BL600 module. I am using SDK v5.2.
I am trying to connect to external Flash (Microchip SST25VF016B...
I need to have configuration tables(more than one) on my BLE device. As far as I know nRF51822 doesn't have built-in eeprom so my options are limited to external serial one...
We are currently looking at developing a new BLE Tag based on the nRF51822. From the technical datasheet we decided that to save power we would use the internal DC2DC converter...
in ble_app_ancs application,when config RTC0 before Running SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false) function.then run in this function will cause error...
Hello everyone,
I'm currently trying to change the connection parameters to be quick(100ms 0 slave latency) on a button press and after a timer timeout I go back to the...
Hi,
I have some problem. My code was working and everything was fine, but I decided to improve my program. I made some changes, and now TX_DS interrupt on PRX side doesn...
Hi.
It appears that the common gcc makefile in the current SDK does not work for S120, or S310. Please see the patch that fixes the problem.
Tested with S120 and blinky...
We are looking to add some device info into the advertising package, or scan response package depending on space. When looking for a way to do this in a standardised way I...
Hi.
I'use nrf51822 beacon kit and android nrf beacon app.
I'm modify nrf51822 beacon example source code,
I hope
1.I eliminated the button
2.After I turn on the...
I'm new to nRF51822 Evaluation Kit. I was able to build the hex from "ble_app_hrs" example with GCC and Eclipse. However, it won't allow me to flash it by drag and drop to...
Hello, I'm an developer using nrf51822.
I have the same problem with this.
devzone.nordicsemi.com/.../
But this problem has no more discussion...
Here is my problem...