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, I would like to know if the adress byte that is transmitted after the preamble is the MSB or LSB.
I've read the datasheet's page 28 and it's not very clear, it just...
I need to have an iOS device send my nRF51 some commands, some settings, and retrieve some data, not at regular intervals. The nRF51 should only-speak-when-spoken-to.
I...
Hi guys,
I want to use the nRF51822 as a gateway to send uart-commands from the µC to my iPhone and vice versa.
µC---|uart|--->nRF51822 ) ) ) ) BLE ( ( ( ( iPhone
...
Hi,
I am using the NRF51822-CEAA flip chip package for my custom board.
Because this package has an optical vulnerability from the sides, could you please advise how...
Hi developers,
I recently had a problem with nRF51822 and radio interrupts.
My situatios is quite clear but I cannot resolve the problem. I hope You will help me.
Description...
hi,everyone.
because of careless,i enabled pin reset in debug mode by set bit 0 in RESET register in my software,and i downloaded the hex file to a 51822.now,because of resetting...
Hi all
According nRF51822 Product Specification , GPIO pin can config to SPI interface. Means if I set a specific GOP pin range to SPI and connect these pins with...
I am successfully sending data from the PCA10001 Evaluation Kit to the Master Control Panel. But I cannot find any information about initiating and sending data from the MCP...
Hi,
Here i am attaching my text file. in my case timer api is working
but button event handler is not calling.
Kindly tell me , what is my fault.
Regards
Balaji...
I want to store a block of data in nRF51x22. I tried the following:
void HalStoreNVMBlock(uint32_t size, uint8_t* pBuf)
{
nrf_nvmc_page_erase(NRF_UICR_BASE);
nrf_nvmc_write_bytes...
I'm using the TWI module. Where can I set whether the DSA SCL pins have the internal pull-up enabled or disabled? I can't even find where to see if they are enabled at all...
Hi guys,
I am having a breakout board made and would like to know what are the programmers out there which I can buy which will help me program the board. The J-Link is...
Hi,
I'm designing a custom board equipped with nrf51822 and is not clear for me how the flashing part works; I bought nrf6700 and pca10005 as reference design and now i need...
I am coming across a strange issue with a nRF24L01P running enhanced shockburst. I have 1 PRX and a few PTXs communicating in a star network. The type of PTX determines which...
