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...
I trying to debug an interaction between using SPIM3 on the nRF52840 and the BLE stack in the SoftDevice . A reset is happening, which I think is being generated by the SoftDevice...
Hi I have an application where ESB will be used in the same environment as a few BLE devices which are also our devices. My plan is to set an rf_channel for ESB and then at...
We have an application where we have a large number of sensors, some relay nodes and one or more gateways. The sensors and relay nodes are provisioned by the gateways and...
Hi, I can normally log with NRF_LOG_INFO(). But if i enable softdevice (bluetooth stack init) logging stops working. Interesting part is that there are several log lines before...
BLE Control by Main CPU (MCU):
1. How the MCU communicates with BLE HW?
2. What is the amount of MCU performance is required to control the BLE? (expected answer example...
Hi nordic.
I use SDK 14.20 and nrf52840 board and s332 softdevice.
Our app has to use ant+ and ble.
My device connect with app.
App requests device to ant+ scanning...
hi guys:
When I was using mesh sdk, there was an error in compiling.
I use examples\light_switch\server\light_switch_server_nrf52832_xxAA_s132_6_0_0.emProject
I am...
Hi,
I am using SDK 14.2 -> BLE peripheral proximity example. I was trying to add a custom service and some characteristics to this proximity example. I basically took the...
Hi, I have two strange problems regarding the NRF_LOG. 1. In a for loop, char string that has changed is not printed out as what it contains now, it is printed out as what...
Hi,
i have purchased the following module
However, after connecting the VCC and GND to 3.3v DC supply the module is not detected. My questions are :-
Does...
how to slove it
1> Linking light_switch_proxy_server_nrf52832_xxAA_s132_6.0.0.elf 1> build/light_switch_proxy_server_nrf52832_xxAA_s132_6.0.0_Debug/obj/ses_nrf52840_Vectors...
I am using the nRF52832.
I want to go to sleep in absolute lowest power mode possible that still allows a timer for wakeup. Using LFINT.
I don't need ram retension, etc...
Code example: nRF5_SDK_15.2.0_9412b96\examples\peripheral\usbd_ble_uart_freertos
Board: custom board with nRF52840
What are the fastest and easiest steps to make this...
Hello,
I am trying to code nRF52840- DK with MAX30003 ECG Board Using SPI. I have referred Arduino Uno Code for MAX30003 ECG.
I need some help for Driver Development if...
