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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello,
Is the characteristic value data supplied to sd_ble_gatts_characteristic_add() and sd_ble_gatts_value_set() copied into the softdevice RAM, or does the softdevice...
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Hello All,
I am working on Automotive project using nrf51824 SOC...
Hi,
I am working on making a test harness using the nRF52DK and a raspberry pi so I may run unit tests directly on the nRF52832. I want to use the UART to give test results...
We recently did pre-compliance RF radiated immunity testing at a certified lab. The EUT was nRF52832 on a battery powered post card sized circuit board with some sensors....
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...
