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...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
hello,I am testing twi scanner example of nrf52dk.I want to read slave address, the sda & scl pins are 26 & 27 respectively. I am connected PCA9536 module as slave & address...
I have developed the code to send the data of mpu6050 from ble peripheral to ble central. i can able to receive the accelerometer values at ble central.It works fine.
Now...
Hi,
I use the NRF-toolbox app's UART feature for connecting to nordic devices.
Android version is 4.4.4 and the device used is a Samsung device.
Everything was working...
modify ble_app_uart example。
I change the #define to another value:
But whether lightblue or nRF connect,It only change the advertisement's UUID.The Characteristic is...
hi,
im trying to implement a one shot timer and followed the tutorial here:
devzone.nordicsemi.com/.../
note that i adapted the code for a custom project (and a custom...
According to nRF52832 Product Specification v1.3, tPOR is written as follows.
Is the VDD rise time range from 0 V to 1.7 V or from 0 V to 3 V?
Please tell me the range...
Hello,
I'm trying to change advertisement packets, I found this link text
it says:
p_data Raw data to be placed in advertising packet. If NULL, no changes are made...
Hi, I'm trying to change ad packets in the blinky example. I want to be able to keep blinking but change the ad packs (don't know if this make sense, but main goal is to change...
I have created a build system that will install openmesh on simblee chips, and it appears to be mostly working. However, range is very poor, like max 2ft. I have tried adjusting...
Hi guys,
I am working with a central battery powered so, I am controlling the RF activity calling scan_start() or sd_ble_gap_scan_start() and disabling the RF activity...
Hello,
We are switching chips from the nrf51 to the nrf52832. I have a nrf52-DK board now. My Eclipse set up is still able to compile, run, and debug my nrf51 projects...
hi,
im a little lost with BLE at the moment. all i want to do is sending 3 bytes of data (sensor data) approximately 10 times (+- 5) a second (when the uC is not sleeping...