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...
I am using saadc to periodically sample a voltage (per about 12 seconds). The voltage cannot be shutdown and always is a value neigher zero nor VDD (1.25v, 2.5v, 1.0v, etc...
Hi,
I'm wondering if the DTM mode can be entered over the air interface on nRF bluetooth products, as specified by Core4.2 [Vol2 Part C] 4.7.1 Activation and Deactivation...
Hi,
I am looking for an solution which requires to have an BT dual mode(Smart Ready) SoC. As i require the high data rate of 2.1 and also require support of BLE 4.0.
...
HI ,
I need to interface particle measurement sensor with nrf52832. I am using S132 softdevice and SDK 11.0 for my application. I need to send commands to sensor to take...
Hi,
I feel myself a bit silly...my nRF52840 board was working the last few weeks nicely, it was visible both in nRFgo and Keil. I had the board some time in button cell...
Hello, after downloading my user app using keil, I can't seem to erase the whole chip.
This is what I'm trying to do:
erase the whole chip (nrf52840).
program S140...
Hello, when migrating a project from nrf51 to S140 nrf52840, I got an
"Error: L6218E: Undefined symbol app_error_fault_handler (referred from softdevice_handler.o)."
...
Hi,
I am quite a beginner about nrf51822. I understand that I can get RSSI during advertise mode before pairing. But I am not sure I can get RSSI after pairing. Can I get...
Hi, everyone.
Now I have found some posts about the development enviroment on Mac OS X. But none of them describes clearly how to setup the development enviroment with an...
We are trying to get serial bootloader (DFU) working. I compiled a debug version of the experimental_bootloader_secure_serial in SDK13.0.0 to see what really happens there...
Hello,
I am successfully using the following code:
float f = 23.50
char buffer[10];
sprintf(buffer, "Float = %f\n", f);
SEGGER_RTT_WriteString(0, buffer);
I...
Can nRF51 be BLE connected while it's on sleep mode? (connected by other device as Peripheral mode)
I thought, to be connected as peripheral mode, It must be advertising...
Dear Nordic Team,
We have a customer that would like us to extend an C# desktop application to use serial over BLE. What is the best dongle firmware and Windows driver...
