Hi We have an application where we what to read i2c sensor data over the air to an iPhone. We've taken ble_app_uart_S130 project and grafted in some twi_hardware code. There...
I am interested in the S130 ability to hold 3 central -> peripheral links over BLE, and am looking for some evidence that this has been accomplished with extremely low-power...
I'm trying to implement channel scanning in our nrf24lu1p based USB dongle.
I'm following the specs and basically loop though each channel ;
loop
stop listening
set...
Hi,
I am using the NRF8001 in UART mode and attempting to bond with my android device (Lollipop 5.0 Nexus 6).
i am using the nordic arduino sdk which is found here:...
Hi, I'm using the nRF8001 in an application that requires security so bonds to the remote client/central. My device supports firmware upgrades that may involve new nRF8001...
Hello.
Initially when reading the Gazell documentation I didn't think it'd be a problem but now in Keil seeing this has introduced some doubt whether it's a thing:
...
Hi,
I noticed you have added C13 and C14 (12pF) caps. However, they are not visible on Infocenter's reference circuitry. What are these caps for and why they should be...
PDM Initialization normal,I enable PDM and start PDM sampl,I find not jump to NRF_PDM_EVENT_END irq,This is when the link is broken.I suspect not get data in RAM,can you gave...
Hello,
I want to add NUS service on the SDK_14.1.0_1 example called "ble_app_hrs_rscs_relay".
I added
uint32_t nus_err_code;
ble_nus_init_t nus_init;
memset(&nus_init...
Here: devzone.nordicsemi.com/.../group__ble__api.html
Choose to simply not keep track of available buffers at all, and instead handle the BLE_ERROR_NO_TX_BUFFERS error...
We plan on using 4 to 5 timers on our project. Each timer has different timer intervals (Example 1 minute, 50 ms, 300 ms etc)
We are trying to use 2 Timer instances and...
Hello,
I am working on example
nRF5_SDK_14.2.0_17b948a\nRF5_SDK_14.2.0_17b948a\examples\ble_central\ble_app_uart_c
pca10040\s132\arm5_no_packs/ble_app_uart_c_pca10040_s132...
Hello, I would like to know if there is any way to avoid bootloader start in secureDFU firmware transfer. All the checks on init file and control point are on the application...
My DFU is staying in the bootloader, even after successful download of the application package.
I have modified the secure bootloader for my custom PCB (removed the GPIO...
Hi,
I'm trying to get OpenOCD flashing to work on Windows using the FTDI 2232H adapter and an NRF52 target. I found this site:
https://www.allaboutcircuits.com/technical...
Hello,
I am trying to read multiple registers from a slave of i2c.
The values that I capture are the first value repeated in all the buffer.
The number of readed reg...
Hi,
I would like to use ping pong mechanism to prevent faulty application update on nRF52840. Is there a way to build a single image to run at 2 different addresses? How...
I have OSX Sierra, VMWare Fusion and Windows 7 available.
I do Arduino (Teensy) dev, staying on the OSX side.
I want to use the nrf52 chip as a MIDI over BLE conduit ...
Hello,
I have a PCB with a NRF52 powered by batteries. We need to be able to plug the batteries, then program the device and never remove the batteries.
We noticed, that...
