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 Nordic Team,
I have a problem with programming the nRF24LE1 chip.
I am developing a small system, which consists of a uC STM32F4xx and a nRF24LE1 Radio Module. The...
I have an nRF51822 based peripheral running SD 7.0.0, using SDK 6.0.0. It has a custom (vendor specific) characteristic which is read/write.
If I use BLE_GAP_CONN_MODE_SET_OPEN...
Hello Guys,
I am interested in what is the packet size of Heart Rate application board example included in nRF51 SDK 6.0. I am using nRF51822 Evaluation board. Could help...
I am working on nrf24l01+ which interfaced with atmega32. I received data but it take time to receive (appx. 1min). I set RF_SETUP to 0x27 ,disabling auto ack and sending...
I consider to use a 32k MEMS oscillator instead of a usual 32k quartz crystal with a nRF51822 (WLCS). 32k MEMS oscillator's package is quite small 1.55 x 0.85 mm, there's...
I am developing on a custom board using nrf51822 with pure gcc. The blinky makefile worked fine. Before going to ble_hrs makefile, I want to load the blinky_example with softdevice...
hi guys,
i've a general question about bluetooth (general usage of characteristics), and i hope somebody could give me a hint how to use them properly.
So, i want to communicate...
Hello.
I've tried linking the ESB library in IAR but I am still getting error.
When link arm_lib.lib getting this error:
Fatal Error[Li014]: error when reading "nrf_esb...
I'm attempting to use the Master Emulator API (2.1.8.8331) with a PCA10000 on Windows 8.1. I'm just creating an instance of the MasterEmulator and I receive a PythonException...
Hi, I'm using an nRF8001 with a locally stored GATT service and security enabled.
I have already established a bond with a master device. The master has enabled notifications...
Hi,
I'd like to learn about the app compatibility for the new OTA DFU that ships with the new SDK 6.0.0 and S110 7.0.0. I am using a nRF51822 board and I've observed that...
Hi!
I was trying to program bootloader provided with nRF51822-DK using nRFgo studio but I receive error like attached:
I was also trying to follow this guide:
...
I want to add an external PA to the NRF51422. My understanding of 15.247 is that you can transmit up to 30dBm if you use spread spectrum. Does the NRF51422 use DSSS for Bluetooth...
When is the most appropriate time to set the transmit power while using the S120 softdevice? I want to set it once at power up. Most examples that use the S110 SD set the...
