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...
Hi there,
I'm testing the "saadc" example : <InstallFolder>\examples\peripheral\saadc
I haven't changed the code.
To do this, I use the nRF52840 with SDK 14.2 and s140...
Hello,
I am probably beating a dead horse here....
I am evaluating the PCA10056/nrf52840 preview DK and using the Keil/uVison 5.24.2 for that purpose.
I have found some...
How to have control(play/pause & previous/next) over the Google Play Music app via a BLE link. I know I need HID over GATT but I downloaded the official doc and I cannot understand...
Hi,
I would like to use the nRF52840 modules for moving nodes. However, I'm concerned that the modules will not be able to cope with high moving velocities to communicate...
Hello, after getting my nRF52-DK I first tried to program it using Arduino IDE according to this guide. Everything worked perfectly as I was able to flash new firmware into...
Hi, Does BLE IPSP profile limits the maximum channels a one? I tried to change BLE_IPSP_MAX_CHANNELS to two, but it results code crashing at nrf_sdh_ble_enable() API. Is soft...
I'm finding some issues in sending data from nRF52832 using UART.
I need to send a string of length more than 100 characters.but when i
try to send,only 94 characters...
hi, I am switch from sdk 12.2.0 to sdk 14.2.0, I could not find softdevice_ble_evt_handler_set() and softdevice_sys_evt_handler_set(). what should I do with these two? and...
Hi,
I'm trying to develop something for nrf52832 and was trying to use the s130 softdevice. Using Kiel uVision 5 i added all the necessary packs, but when I add s130 to...
Hi,
I have two devices and one host. When they are in close area both of them are pairing to one host. When I switch off host, both devices looks like paired to each other...
Having gotten through the hurdles of getting my IAR project to compile and run on Segger Embedded Studio, I am now seeing different behavior between the two IDEs while debugging...
Hello,
In my application (based on app_nus_uart example, with two NRF52832 boards), one of the cases is uploading/downloading files with sizes up to 10MBytes.
In my app...
Can someone explain the reasons/benefits of using the single vs dual bank BLE boot loader?
Actually, why isn't there a single bank BLE bootloader in the example project...
I have following code which should start the app_timer and blink the LED_1.
When flashed, the LED_0 turns on and I can see the "Started." log. But the LED_1 is not blinking...