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...
Hi,
I am trying to use an nrf51822 with a sensor that outputs value between 0-5V. What I am confused about is how to read input voltage on the beacon. I saw some people...
Hi,
I need to debug my perpheral device, but as I know if I do debug when SD is running, it can cuase the time sync issue, then cause the hard-fault. I know there's a way...
hi ken：
I use Nrf52832(S132) to act as central and peripheral at the same time, which like the project ...\nRF52_SDK_0.9.0_0c82e3e\examples\ble_central_and_peripheral\experimental...
Hi,
I run ADC mudule together with SD, but go into hardfault eatch when I release the HF-clock.
Chip: 51822
SDK : 10.0-alpha
IDE : Keil-472
I use this function...
Hi!
I have inherited a large codebase that I'm trying to migrate to SDKv10 from SDKv6.
The project also uses an A4960 BLDC motor controller. To bring the motor up to...
Hello,
Is my ram reservation right for nRF52 with S132 ?
see in app_ram_base.h APP_RAM_BASE_CENTRAL_LINKS_3_PERIPH_LINKS_1_SEC_COUNT_3_MID_BW = 0x2F50
RAM (rwx) ...
Hey,
I have been trying to create a notification characteristic for nrf51822. Whenever I add char_md.char_props.notify = 1; lightblue doesn't connect to it.
I do get a...
Ok, this one seriously has me stumped...
I have a custom bootloader that is modified from the DFU example (SoftDevcie S110 8.0, with SDK 9.0, using gcc). BLE is not used...
What is the distance that a nRF24L01+ correspond to for 0db, -6db, -12db, -18db output powers.?
I mean what will be range of the chip for these output powers.?
Thanks...
Hi all,
Hope someone can help me. We are using the NRF51822 on MDBT40-256V3 module. The IC used is revision V3. We're not using Bluetooth but our own proprietary protocol...
On loading the ble_proximity_template Arduino sketch, i get this message "Remove the wire on Pin 6 and reset the board for normal operation." even though there is no connection...
Hello,
Is there any tutorial about how to sign an update for dfu bootloader ?
How can I generate a pem key with dfu_init_template_signing.c Qx and Qy keys in C style ...
Hi
I can't find the soldering profiles for the nRF51822 and nRF52832. Are there any specifications I'm missing or is there a standard profile you suggest?
Thanks for your...
Hello,
Bootloader jump on DFU_BANK_0_REGION_START.
DFU_BANK_0_REGION_START = CODE_REGION_1_START = SD_SIZE_GET(MBR_SIZE) but if i watch value, debugger says it's 0x3008...
