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,
Some time ago I bought an nRF51822 evaluation kit to start developing with this chip. Now I have a project that needs a small pcb like the beakon you show here www...
Hello,
I am using the following code to set time in my code, but when trying to set 2100 year or 2040 more year with nrf_cal_set_time function,
it is failed, it shows...
Is it possible to send an SMBus quick write and quick read using the TWI hardware?
The sequence is:
<START><ADDRESS><R/W><ACK><STOP>
I can send the address, but...
Hello,
if I send a byte over uart to an device (e.g. gps -logger), the same byte will printed to the terminal (e.g. Putty or Termite).
If I get a byte from the micro-controller...
I am confused from reading the nRF52832 Product Specification on how to clear the GPIOTE port event (EVENTS_PORT) register?
On Section 21.2 (Port event) on page 158, it...
I am experiencing a difference in current between the example program during advertising between a IAR compilation and a GNU compilation.
The differences appear to be significant...
Hi,
Can the Nordic SoftDevices be consumed by a BareMetal ARM GCC compiled application?
Which compiler/linker flags are needed for the application to be able to link...
Hi
I am working on a firmware which can be used in serveral custom boards. While it works perfect in old sdk, I met the following problem when migrating from Sdk 12.2 to...
Hi,
I have tho following configuration: SDK 10, S110 and I'm using Segger Embedded Studio, single banker dfu.
I am able to program DFU and buttonless DFU; However, when...
Hi all,
I am using PCA10040 with nRF5_SDK_13.0.0 and using the ble_perpheral -> ble_app_uart example.
I am trying to stream data from UART to an android phone and the...
Hello,
I've been using the new power profile kit and I seem to be getting only 3 volts output as opposed to the previous versions where I was getting about 3.6 volts. How...
I was checking out the serial example using two PCA10040 evaluation boards. Most of the commands were executed successfully as mentioned in the link http://infocenter.nordicsemi...
Hi,
I'm developing a node based on the nRF52840-QIAA rev. B.
I'm using Eclipse Neon and GCC-toolchain for coding. Softdevice is S140 5.0.0.2 alpha and SDK is V14.2.
...
Hello,
I would like to be able to sample an analog voltage signal with a sample rate of approximately 250us (4096 samples/sec). I am using the SAADC example in nRF5 SDK...
