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...
now, i have a question: i have a buffer 100byte data to send, when i send data package via sd_ble_hvx() continus,delay 20ms after each send ,but it will lost some data , i...
HEllo,
I am facing and issue with undefined references for the linker. The compiler is able to compile, but I get linker errors like these
.../pca10040/s132/arm4...
Hello everyone, I recently use the nRF51822 with SD9 and S110, I found that the device name was define as: #define BLE_GAP_DEVNAME_MAX_LEN 31
is it means the max length of...
Hello!
We have built an app that transfers files from an app on Android to the device running an nRF52 with S132. On the device is an external flash using SPIFFS as a file...
Hi to everybody,
I am working with nrf52 and SDK11. In my project I am using freertos and an UARTE with this configuration:
9600bps
TX/RX (no CTS; no RTS)
HW...
Hi All,
We are interfacing Nordic nRF52832 with our Display using SPI interface. As per display, Data / Command bit needs to be set at the beginning of transfer. Using...
I am trying to understand the use of multiple channels in the timer. Looks like the use of the multiple channels is for PWM/ sequencing type applications. It is not intended...
I am using nrf51822 and having some questions,as follow:
1、the pin reset is common with the pin SWDIO(the debug IO pin).when I download into nrf51822 using JLINK（setting...
I am working on a nRF52328 present in the Taiyo Yuden EYSHJNZXZ module. I am using a J-link EDU debugger to program it. Can I use the J-Link for UART communication with the...
I am developing an application in which my device will have multiple android phones connected to it. Currently I have it working with one peripheral and after having upgraded...
Dear all,
I am working on one sensor project(temp and accelerometer sensors) where our Nordic nrf51822 soc should read the data using spi protocol and transfer it to the...
