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, I am porting an app from SDK 14.2 to SDK 16 (nrf52832) and noticed some strange behaviour with nrf_delay_ms - it is not delaying anywhere nearly long enough. I have built...
I have been able to program the nRF52 DK perfectly the past couple weeks and just recently got an nRF9160 DK.
I tried to update the 9160 DK to the latest firmware using...
Hi,
What is TWI transaction manager? Is this a hardware or just software library? Does it work with TWIM (with easy DMA)?
I have a suggestion that when making an example...
I see that there is a significant drop in average current with DC/DC on, will this also be true if I already have a 3V from a BMS (with its own DC/DC) supplying to Vdd (won...
Hi, I have one service UUID ffe0 that has two characteristics: one of has UUID ffe4 use for "notify" and other one has UUID ffe5 use for "write and read". Now i want to get...
Hello,
I'm having a system consisting of an nRF52 and another processor, with UART between them. If the other processor restarts, nRF's RX line will be pulled low for some...
Hi,
I'm trying to add LESC pairing mechanism to NUS.
Now when I'm doing pairing between nRF52DK and Phone(Android) via normal way, the behavior is what I want. Please...
Hi there,
I am using nRF5_SDK 16 with PCA10056 and Fanstel EV-BT840-V4. I am testing my example with BT-840 module as we will use it for our final product.
First i tried...
SDK: 15.3.0 Sample: ble_app_hids_keyboard Device: EYSHJNZWZ (nRF52832)
I have a question about HID. In the sample program "ble_app_hids_keyboard", the following values are...
SDK: 15.3.0 Sample: ble_app_hids_keyboard Device: EYSHJNZWZ (nRF52832)
I have a question about HID. In the sample program "ble_app_hids_keyboard", "report_map_data" stores...
Hi,
I am measuring a frequency using the ADC (200ksps) and saving the samples into an array. I save 128 samples then move that data to the fft module to check what the signal...
Currently, debug probes - STLink, JLink, OpenOCD, Black Magic Probe, DAPLinkda, etc. connect to a host PC over a USB, serial or network port and then connect to a target ...