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 using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
When I update the advertising data from the radio pre activation hook (800µs), the updated data does not appear in the advertising event following 800 µs after the hook is...
Custom Board with MCU NordicSemi nRF51822-QFAA
Softdevice S110 7.1
IAR for ARM 7.1
SDK 7.2 using a merged service (HID keyboard example + NUS example...
As per the steps given to program bootloader to the device i have programed it.
But the code is not getting executed i.e advertising nor led initilization is taking place...
Hello im trying to connect to a slave on BLE_GAP_EVT_DISCONNECTED event.
Can i use sd_ble_gap_connect(...) on this state, im getting error code 0x3202.?
regards, Vo...
Hi, I have bought the nRF51 development kit. I have downloaded source code for nRF51822. This comes with LOTS of examples but I suspect the codes are not for my board. Is...
I'm manually creating the .dat file for a DFU following the format specified in this document .
Where can I get the device type and revision values from to populate those...
I have bought the nRF51 dev kit. I can download all these soft devices. But what do they really correspond to ?
I think of them as library/apis for doing BLE development...
Hi,
I am trying to run the ble_app_hrs on my nrf51822 based board in combination with the nRF51822 Development Dongle. I am following the instructions from nRF51822 Development...
How can I add PKT_TYPE_INIT (DFU Contorl Point - OpCode = 2) into my DFU?
S110 nrf51_sdk_v6_1_0_b2ec2e6
Chip nrf51822
Softdevice s110_nrf51822_7.0.0_softdevice.hex...
I have a nRF51822 chip sending me BLE UART data to my phone and it works fine with the app. No I want to send it to my PC and Read the data (and send commands) via PuTTY....
Hey guys, I'm looking for a printed antenna PCB file. I have already read the white paper and I think using a more complex antenna would save more space and increases the...
I'm using SDK 7.1, PCA10028 eval board, SD310 2.0.1, MCP 3.6.0.8331
MCP and iOS are generating a different event sequences for a long writes.
MCP: after the BLE_EVT_USER_MEM_REQUEST...
Hey, I noticed that most of the wearable ble devices (without keyboard and screen) on the market are using 'push to confirm connection' authentication, when you have to push...
Chip nrf51822
S110 nrf51_sdk_v6_1_0_b2ec2e6
Softdevice s110_nrf51822_7.0.0_softdevice.hex
I use "nrf51_sdk_v6_1_0_b2ec2e6\nrf51822\Board\pub\device_firmware_updates...