Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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 all,
I am developing application for humidity measurement using nrf51822 evaluation board which uses custom services which i have developed. I have already tested...
I have re-targetted the S120 HRM Central to run on the PCA10001 and the only changes necessary were to re-define the LEDs and buttons. It compiles and runs with the following...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi,
I have a full working ble code form the example provided (keil), but I DO NOT SEE any uart interrupt happening. I can write data to the uart, but I can't see any interrupt...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
I am using hw TWI with the s110_nrf51822_6.0 softdevice, nrf51_sdk_v5_2_0
I am using pin 3 scl and pin4 sda of the nrf51[48]22 eval boards.
I am able to drive these pins...
Hi all!
As we know, the funtion Nordic offer to send the ble data is called "sd_ble_gatts_hvx()". But as far as I observe, this funtion just puts the data in the stack...
Hi,
Need to talk between 2 devices using BLE, so for now I have a device with a service and advertising, but now I need the other one to work as central and connect to...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
Hi,
sorry if this is a stupid question, but i'm fairly new to BLE (nRF8001), and even newer at report descriptors.
I'm trying to send some media keys, just volume up...
Hello,
if i write a new value to a characteristic with the Master Control Panel sometimes i get a HardFault failure. Most of the time all works fine, if i update the values...
I want to send 512 bytes of data over ble through the characteristic value, as maximum length of the characterstic value is 512. When I try to do the transfer more than 20...
