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 all,
I am experiencing a ~5uA oscillation (between 5uA and 10uA) in sleep mode, DC/DC converter enabled, no RAM retention. The total current is of the entire system...
i am working with jlink segger edu, in a custom board, it dont have swd TX, RX pins connected, only jtag pins. I Need to see if my gps conected throw uart is working or not...
I configured the pca63519-sr3_nrf52832_shield to fit on my board (actually disabled all peripherals, only the bluetooth protocol part), but found that the modified code could...
Hello! I wrote about the details in topic 66156 , but they did not answer me, because this question is already different from the original one. The drv_rtc.c library has this...
HI,
I have been facing a few issues with the BLE custom service, I am looking to create a Pedo meter service which displays step count information received from the sensor...
Hi Guys,
We have designed a custom board which is using BMD350.
Our application requires using the BMD350 in beacon mode and then going to sleep in low power.
We have...
I can listen for radio inactive event according to this post https://devzone.nordicsemi.com/f/nordic-q-a/9137/change-advertising-every-time-event but I am scanning at the...
Hi everyone,
I want to assign the DEVICEID to System ID characteristic (which is under Device Information Service). DEVICEID is a 64bit and I found that I could assign this...
Hello,
I am developing a sensor like a beacon. I want to measure the distance from the node. I record the RSSI sample for a few seconds and average it to stabilize the value...
Hi,
Can anyone confirm the advert sent in the attached is not corrupted in anyway? as I seem unable to scan my device with anything other then nRFConnect.
The Bluetooth...
Hello,
I found some some threads on similar questions but none answered mine, so here it is:
I try to use UART between nrf52840 and another chip. When the other chip resets...
Hello,
I wanted to replicate and build the LED Button Service using my own custom service. I used the template BLE project as a starting point.
I'm working on a characteristic...
Hi, I'm working on the MSC USB example with the nrf52840-dk.
I'm using only the SD card interface, I've disabled the others.
I've noticed that the interface is quite slow...
Hello,
I'm trying to modify example ble_app_blinky from SDK17.0.0. I need external interrupt. But when I try to integrate two functions "static void gpio_init(void)" and...
