we also produced self PWM for ADC wave form testing. when we stop transmission, we will get good waveform out, but when we starting transmission, output waveform shape is...
Dear Support,
I have some troubles with the Evaluation Kit for nRF51822 :
I use the broad as a central role with S120_nrf51822_1.0.0_softdevice.hex and example...
Suppose a nRF9E5 transmitter is set for continuous transmission on a channel.
A nRF9E5 receiver listening on that channel:
finds carrier and sets CD
finds address...
I will be deploying my nRF51822-powered devices into the field and the end user will not be able to have any physical access to, for example, power cycle the board. I need...
Hi,
We are using the ble_app_uart example in evaluation board to read data from some sensors and send it to the nRF UART V2.0 in Android 4.4. Every 20 ms I am trying to...
I am try this at nrf51_sdk_v6_0_0_43681\nrf51822\Board\nrf6310\s110\ble_app_hids_keyboard
Firt I connect to Android device and keep one whitelist.pp_addrs and one whitelist...
I'm using SDKv12 S132v3 on nRF52 peripheral device. I have characteristic with following security setup:
char_add_params.read_access=SEC_JUST_WORKS;
char_add_params.write_access...
Is it possible that a crash in code can prevent connection by SWD to an nRF51822?
As I had an instance this morning, where after uploading, some code to a smart watch,...
I'm trying to use a 32 bit service UUID, but it doesn't seem to be supported by SDK 10 or SDK 12
Looking in the HRS it has this code
BLE_UUID_HEART_RATE_SERVICE, BLE_UUID_TYPE_BLE...
Hi,
I am using App Timer for measuring time and at the same time while loop to check if the timer reached particular time.
I have noticed during while loop App Timer...
Hi,
I'm using bootloader from SDK v7.2 When the application jumps to the bootloader (through NVIC_SystemReset), the call sd_softdevice_vector_table_base_set returns SVC_HANDLER_MISSING...
components/toolchain/gcc/*.S should be *.s
components/toolchain/CMSIS/Include is now named ...cmsis/include.
On Windows OS, this might not matter, but on Linux and...
I know that I am supposed to use an IRK for bonding with devices like iPhones, how do I actually add it to a whitelist and resolve it?
I am using SDK 10 and softdevice...
Hi,
I have around 15 characteristics(my code is similar to ble_uart) - 14 of them with read and notify properties and one with notify, read and write properties.
With...
Hello,
I would like to return a specific error when a device connects to my NRF52 (by bluetooth) when for example the range of mac address is wrong to me... (or something...
Dear Folks,
I have a question regarding the supply rise time of the nRF52-Series.
According to the Product Specification Chapter 6 Table 8 the Supply rise time (0 V...
Hi, I encountered some problem using the S132v3.
With the s132 v3 and sdk12, I want to extend the ble transfer size.
Now I can change the att_mtu to 100, and iphone...
Hi all!
I recently ordered BLE tag with nrf51822 QFAB chips.
When I read back the memory content (with mem8 jlink command) I manage to read up to the address 24A60 which...
The task I am working on is sending a list of records from an nRF52832 chip to a central. Before sending the records, the total number of them should be sent, so the central...
Hello. I'd like to know. Can I trust to opportunite to firmware my controller (nrf52832) over the air. I mean is there any chance do not be able to do it, for example if last...