My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
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We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hello, when invoking sd_ble_gatts_hvx, it returned NRF_ERROR_INVALID_STATE (0x00000008), I wanna know what are the list of possible errors, here are a list I made:
CCCD...
Ciao all,
Two weeks ago I have started to learn about beacons and their usage. I have bought pca10040 development kit and designed custom nRF52832 based beacons. After...
Hi,
I've just hit a strange issue with SDK 12.1 on nRF52832.
Usually on BLE_GAP_EVT_DISCONNECTED , sd_ble_gap_adv_start gets called to start advertising and everything...
I am new to nRF 52. Previously i have worked on arduino IDE for programming arduino uno,mega. I have also used MPlabX for programming PIC(MircoChip) series micro-controllers...
Hi,
For the NRF52832, I read that a number of write (per block) is limited before a forced erase of the page. Apparently, the amount of write is 181 times for a block of...
My sensor app is based on nRF UART service and my current case in one sensor (peripheral) one gateway (central).
In a situation where there are two pairs of sensors (S1...
I'm trying to use a low accuracy GPIOTE event to start RTC1. The following code works as expected when using hi accuracy mode but will constantly trigger in_pin_handler()...
Hi, I am using radio with ppi to advertize packets as shown in the mainc file attached. mainc.txt
Even after allocating the access address of Bluetooth on line 196 as set_address0...
Using nRF52832 I am collecting from 8 SAADC channels using example ble_app_uart__saadc_timer_driven__scan_mode as a guide. AIN3 (P0.05) gives incorrect results. Because P0...
Hi,
I have an application that utilizes the dual bank bootloader and s132 soft device on the nRF52832 chip. I am trying to determine the total RAM used and can't seem to...
Hi,
i am using NRF52 and S132V2.0.0 SDK11. i am working on BLE application in which i implemented DFU service to it, so that i am able to observe DFU service and 3 characteristics...
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I use SDK version 12.2.0 to do a project. I add two 128bit uuid into my project. The one of 128bit uuid is created by myself. The other one of 128bit uuid is used ancs...
Hello,
I wanted to check the log on nRF52 example codes. Though the code compiles and runs (GCC compiler) I do not see the log anywhere. I tried connecting the device ...
Hello,
I was going through the schematic of PCA10040 and I see that the nRF52832 is interfaced to an ATSAM3U2CA-AU. I was under an assumption that nRF52832 itself is a...
