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 all,
I am testing out the BLE_APP_UART example on a NRF52DK and I am using SDK13.0 (PCA10040, S132).
I have change the app advert timeout to be 10 seconds.
I am...
I am trying to combine both the SAADC and BLE libraries to be able to read a value from my sensor on the analog pin and then send it over Bluetooth LE to a central dongle...
I plan to merge the protocol sack and the application. At the same time download in batch to 52832 by using the SWD. But the tool(nRFgo Studio) offered officially is not fit...
Using existing examples in SDK13, I prepared ADC sampling app which works fine in ESB TX mode. Works well sending frames at 10ksps, and I can also put it to 'standby mode...
Hello! I have to connect some microphones (adafruit MAX9814) to a nrf52 board and I have to choose some beacons. My idea is to have a tiny solar panel that charges a capacitor...
I have a custom nrf52832 board. I have changed the UART TX and RX pins to P0.3 and P0.4 respectively. If the pins are floating, then nrf52832 stops advertising,If something...
I use example ble_app_hrs_pca10040_s132 with SDK12.2.0 to test bonding function.It works as a server and it is bound by client. But I fail to bond. It seems that example has...
Hello,
I try to declare two instrances of TWI0 and SPI1, and I include the both sdk_config (sdk_config_spi and sdk_config_twi) in the same file, but I always get the error...
Hi,
We designed the circuit followed the reference circuit(QFN48), but we always failed in the 8kv ESD test.The CPU always reset while ESD testing.
The 8kv ESD power...
I'm trying to get the PPK working on my Windows 64 bit machine and with nrf52 DK.
The console will not show up and I'm trying to program the PPK with the "flash_ppk.py...
Hello, I encountered some difficulties, please help answer the following questions, thanks!
I plan to merge the protocol sack and the application. At the same time download...
Hi!
I am on a project of usb dongle.I programed the dongle and lost the bootloader pre-programed in the factory.And I have a SPI downloader,I want to download the bootloader...
Does anybody got an app inventor2 "project" to communicate with the (Adafruit) Bluefruit LE UART (or SPI) ?
Note: my Android version is 4.4.2 (LE "advertising" not supported...
Hi Nordic,
I am using PC10040 board for my project. I want to connect the board with my Android phone without using Nordic app. Can you give me an advice?
I have also...
I have followed all steps in the recent blog , but the device doesn't advertise.
I am using:
BMD-300-EVAL devkit (nrf52832)
SDK 12.1.0
S132 3.0.0
Eclipse with...
