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...
Hello,
I am developing custom HAL driver for TWIM in NRF52 (PCA10040). The problem is that after the slave device stretches the clock signal, ninth period on SCL clock is...
Hi, i use the original ble_app_template (sdk11) with two lines of code added by me (See below) which erase the last page in flash (flash_page_erase((uint32_t *)(pg_size *...
Can you tell me what is the main different between nRF52832 and nRF51822 and can you send me following information about these products and nRF51822 Bluetooth Smart Beacon...
Hello ,
I'm working on custom board, I'm trying to disconnect from the Central (Andriod app) when the battery is below certain level and stop re-advertising.
Below is...
Hi all,
Is it posible to set notify and read for one characteristic ?
I ask because Android offer me read or notify method.
I need read value from characteristic on Android...
Hi,
I am trying to implement dfu in one of my application, I am following the instructions detailed at this link , but I am meeting the following problem :
When I tried...
I am using the timeslot API and softdevice to advertise two separate types of message. This works well. But I have also used ble_radio_notification_evt_handler_t in an attempt...
I'm trying to remove the debugging UART statements to reduce power consumption, however, not initializing the UART seems to hang the system right after advertising start,...
Hi,
I am using Nordic SDK9.0.0 and softdevice S310.
I want to develop dual bootloader(UART + BLE).
I have problem after merge both bootloader. Induavidual example...
Hi!
Regarding the __initial_sp in the map, studied some articles on the web and even map file: used as STACK for arm_startup_nrf52840.o!
Ok, let us have an example ...
Hi,
Is there any way to force Android and iOS to update softdevice, bootloader and application from single zip file in queue?
I mean, first update softdevice, then bootloader...
I am referring SDK 12.2.0 with Eddystone beacon application and I found that the workspace for IAR is missing in it and I have IAR-ARM license. So, I made my own workspace...
I am using a 1822 chip and I need to use it in a very small application so I need to program it separately from the main device. I have a learn.adafruit.com/.../overview FTDI...
I've tried everything to get a RTT log message to show up from a dev kit to my computer. The uart log works but no combination of settings will get any RTT message to show...
