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...
Hello! I try to add nus service to ble_app_template.
I add ble_nus.c file into project
add include "ble_nus.h"
declared service
BLE_NUS_DEF(m_nus);
add into...
I guess my question is stupid, but I would like to ask it by the way..
in all ble examples we use a function for handling ble events by our app
in my case in example ble_app_uart...
I'm trying to launch my app on a custom board with nrf52 after a successful launching on DK. The problem is here: err_code = sd_softdevice_enable(p_clock_lf_cfg, softdevice_fault_handler...
Hi folks, I'm making progress with a program to get two nRF24L01p modules communicating with each other, but there are a couple of remaining problems. I hope someone can help...
I have a little bit of experience on TI BLE stack development and wanted to move to Nordic product with Bluetooth or ANT protocol for a higher data rate. I got a general question...
Hi All,
I have a problem with .hex file. I use example ble_app_uart from nRF5_SDK.
In examples\ble_peripheral\ble_app_uart\pca10056\s140\armgcc I executed: make all and...
I try to turn off the system with sd_power_system_off()
// Go to system-off mode (this function will not return; wakeup will cause a reset).
err_code = sd_power_system_off...
Based on 'ble_app_template' in nRF5_SDK_12.2.0 (S132), I develop a program with nRF52832.
The problem is that the program will restart after reaching APP_ADV_TIMEOUT_IN_SECONDS...
Hi,
I have a few questions about using floating point in nRF5 chips. As discussed here , nRF51 has no FPU but we can simply use "float" in Keil and have the operations...
My device as a slave, if the surrounding environment is not good, the unknown master device connected to my slave device caused the real master device to be unable to scan...
Dear Nordic family,
I tried programming MDBT40 (purchased from Raytac ) with the same code which worked with nRF51822 Bluetooth Low Energy BLE 4 and 2.4GHz Wireless Communication...
I'm trying to implement a simple RTC timer into my project, and it seems like the app_timer module is the best way to do that, especially when using the Softdevice. I added...
Hello,
we are facing the following issue when using Android and trying to rebond with a previously bonded S110 peripheral:
Bonding the Android device with the S110 based...
