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...
I have combined light switch client and ble_app_uart example by following this guide and this case ,but after I added the codes :
#define MESH_SOC_OBSERVER_PRIO //<set...
Hi,
I am developing stuff for a bike and need the Bluetooth Cycling Power Service 0x1818
I found the 0x1816 Cycling Cadence and Speed
Has anybody developed this service...
Hello I'm a beginner and I try to use the DFU. I use the documentation and I can send my init packet without any problem. But when I try to send my Firmware I have 2 problems...
Hi,
Our system is based on the nrf52832 with SDK BLE_2.0.1 for the mesh. I have few queries as per below,
1)It would be great if you could suggest any vendor who is working...
When Going into Sleep, I see peaks of 12mA every 30ms (see image) I'm assuming I can adjust that changing the connection interval settings. I have my Connection intervals...
I'm having some issues with the freeRTOS example in SDK 15. I've always seemed to find a hardfault which limits the MTU size to 176. Now when I try and set the connection...
Hi,
I have a question regarding fast/slow advertising
I'd like to advertise for 180s using a 100ms interval, then switch to a 1s interval, preferably for ever. I set...
I would like to use ADXL335 accelerometer in this nrf52832 custom kit Hackable . I don't have a J-Link but i have this custom programmer Bumpy which is based on the Black...
Hi,
How can wake my nrf52832 based module from system off sleep mode. i am using ' nrf_pwr_mgmt_shutdown()' / ' sd_power_system_off (); 'function to put the device into...
softdevice 6.0.0 SDK15.0.0 How do I use ble_app_hrs sample code add buttonless_dfu function? I flow the steps, but I am fail. 1. In ble_app_hrs project... add nRF_DFU folder...
Hi Support team,
In this application note, solder paste type 4 has 25 to 45 micron particle size range while IPC J-STD-005 as attached stated type 4 has 80% Minimum between...
hi.
I used mergehex.exe to combine the hex of softdevice, bootloader, and application into one, but the board is in DFU state and the application does not start.
I am...
Hi! I'm developing on nRF51 with SDK 11 and trying to extend our application with buttonless BLE DFU support. Due to limited flash memory, we could only use single bank ble...
