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...
I want to drive motors at 40kHz and am wondering if I will be able to do this with the nRF51822. If not 40kHz, I might be able to go as low as 15kHz. What is the resolution...
Hi, I am using nrf51822 ble module. I want to have multiple such modules which could connect to a central device. How could I make it that the central device encourages only...
Hi, I am creating a custom service and corresponding characteristic. For that I am planning to use bluetooth base uuid (for confirmation : 0000 0000 -0000-1000-8000-00805F9B34FB...
Hi,
I`m working on our firmware for nRF51822 and I received the assert from soft device when turning off the global interrupts for our time-dependent procedure which have...
I am using PCA10001 board.
First of all i am unable to find nRF51 SDK.exe.
So i downloaded SDK form below link
link text
I changed device to nRF51822_xxAA.
Now i...
Nodic Semicond has made a nice step-by-step description for how to fix a corrupted infoPage.
It involves starting nRFgo Studio from a command prompt with "-defaultsettings...
Hi,
I want to make a connectable bluettoth transmission. I need 1 service with 3 characteristics, but for now I only want to see my service in app. It is possible to do it...
I have a nRF24LE1 processor.
We have an 'RF bootloader' which operates from the pc running a 'nRFUpdate 'Firmware over the air'' program using a dongle made by 'sparkfun...
i am running this code on my nrf.
const nrf_drv_timer_t TIMER_LED = NRF_DRV_TIMER_INSTANCE(0);
uint8_t flag;
/**
* @brief Handler for timer events.
*/
void...
I currently have both the nRF51 DK and nRF51 Dongle plugged on my PC. In Keil, when I try to load my program into the nRF51 DK I get the following error: "No JLink is selected...
HI People,
I face a problem when I do an OTA DFU from APP to APP. I compiled ble_app_hrs S110_with_dfu example fro sdk 9.0.0 and did OTA dfu. Now the device advertises...
I'm in the middle of putting a NRF51822 device through bluetooth certification. The test house has asked that I have modes where the radio is transmitting on certain frequencies...
Hello. I finally succeeded mouse keyboard combo. I use mouse sensor with SPI. I send mouse_move_data in loop. However, when I connect with the computer, the mouse pointer...
I am trying to debug a SPI application using Keil and the Eval board, but am having problems with control of the port pins. I am using pin 23 as the CS pin. it configures...
