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,
to develop a device driver in Zephyr for TI DAC80501, a 16-bit DAC, I2C interface,
I have to
1. add the dts child node under the i2c controller node
$i2c1...
I'm using the asset tracker project and I want to add in the ability to store information on the board. However when you include the littlefs file system you get a build error...
Hi Team,
We are using the nRF52840 board for our development purpose. We are using the external debugger(i-jet) for our development purpose.
We are able to connect the...
I have a firmware build that uses the nRF52832 (SoftDevice S132) to return a variety of read characteristics to an external device. So far so good. I can verify that the values...
hi ,
i want to use the pin p0.19， p0.20， p0.21， p0.20 as the spi‘s pin scl，cs,mosi,miso.
and i test in the project nRF5_SDK_16.0.0_98a08e2\examples\peripheral\spi
my...
hello,
I have a problem when using the example twi_sensor with nrf52832( nRF5_SDK_15.3.0_59ac345\examples\peripheral\twi_sensor\pca10040\blank\arm5_no_packs)
This example...
Hello,
I'm porting a code from NRF Connect 1.1 to 1.3. Previously I was able to show in the console floats or double values, but now this seems not be possible anymore....
On SDK16.0.0 + Mesh SDK 4.1.0
I am trying to store some user data using the Flash Manager. I am modifying the light switch server mesh example.
There are a lot of posts...
Hi everyone,
I modified example code ble_apps_bps and introduced a GPIO interrupt, I want to sniff I2c communication (bit banging) but my ISR is triggered with a very long...
We have designed a custom board based on the NRF5340 with the following pinout. Everything flashes without error using the sample rpmsg image for the netcpu and the sample...
Hi,
I am trying to implement Zigbee mesh and read out the routing table of the local router. So far we achieved to get the device neighbor table by zb_zdo_mgmt_lqi_req...
Hello
Our application runs over nRF52840 + SDK16 + freeRTOS. While integrating libuarte library with our application we found an issue whereby if nrf_libuarte_async_init...
I am attempting to send 13 bytes over UARTE1 on the nRF52840. I'm using the ASYNC API in Zephyr. When I look at the output on an oscilloscope, some of the bytes show up in...
