Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
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I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
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I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
i made this project to try to create RSC service on arduino
developer.bluetooth.org/.../runningspeedandcadence.zip
unfortunately the server starts but i'm not able to...
Hello,
Could someone give me a hint with the following problem?
I am using two example projects (ble_app_uart_c, ble_app_hrs) to connect a central and a peripheral.
An...
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...
Hello,
I am using the nRF52 along with SDK 9.0.2. I have used both the ble_app_uart code and the twi_master_slave code to send data from a sensor over bluetooth to the...
