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...
when I run the program I get this error
Checking installed packages
pyside: 1.2.2
pyqtgraph: 0.10.0
numpy: 1.11.3
pynrfjprog: 9.1.0
Warning: The software is tested...
I am using a PPK with v1.0.0, but elsewhere in DevZone I see references to later versions of the software. Where can I download the later versions from? Have I missed a link...
Hi.
Great that you have added logging capability to the PPK desktop app. This was exactly what I needed.
I noticed one minor issue with the logging: When starting logging...
I have an application with hard real-time requirements (i.e. down to the clock cycle). My topology and desired timeline can be seen below. Concerning the timeline, I believe...
Hello,
I have a question regarding app interrupt handling.
When an Application Timer Interrupt is being handled, can it preempted by a higher prioritized interrupt of...
Hi,
I have used this antenna for my nRF51 layout, but it seems that the device is using very high currents! like in order of 200mA, I just wanted to know if this is because...
I am using below code to send data over nus. If the data size is 150 bytes, it is OK. However, if the data size is 200 bytes, the nRF51822 will reset. Please tell me how to...
Hello, I got problem in enabling whitelist on starting advertising.
My working enviroment is PCA10028 V1.1.0 2015'18, SoftDevice S130 2.0.1, SDK 12.2.0
MCP works on Android...
Hello,
We encounter the problem after upgraded the PPK software. There are different results when using PPK v1.0.0 and v1.1.0.
Using PPK v1.0.0
Using...
Hi,
There are similar questions posted, but none of them have able to help me out.
I am trying to add multiple base UUIDs in order to create 128-bit UUIDs for my characteristics...
how to create custom service in order to send dummy message, not from the console, I
have to make one char arr[]="hello" this is a fixed string, then where i have add this...
Hi all,
I am developing for the nrf52xx boards. Let's say I want to migrate the example ble_app_uart from SDK v12.2 SoftDevice s132 3.0.0 to SDKv13.0 SoftDevice s132 v4...
Using SDK13
I have a Central program and I included the peer manager code from ble_app_hrs_c but I am having issues after connecting to another dev kit with Peripheral...
Hi,
I'm using nRF51822 with SD130 (SDK 12.1).
I had a firmware based on mbed that had RSSI update, and it was getting quite a few updates per second.
I've now gotten...
SensirionHumiditySensorsSHT3x.pdf
I'm using a Sensirion sensor (see attached datasheet). I'm running SDK 12.2 and SD132. I've set up the TWI to be a master, and I'm using...
