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...
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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...
Hi,
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...
Hi,
I was provisioning devices for a customer today when I noticed at the end of provisioning that the JSON database file that was exported had all the features except ...
Hello,
We are developing a library which is intended to use the trustzone feature available with nrf5340 DK. We followed the instructions available in Using a custom Secure...
Hi
When I use the nrfjprog with the command line:
The application is starting and the code running.
If I do the same again (with the same hex or a newer one) the...
I am developing a project with nrf mesh SDK 5.0.0, I use dimming code, but the code uses rtt input, if I want to replace rtt with buttons, what should I do? I'm learning,...
Hello! I will try to make this as simple as possible with the details regarding this issue What I have
nRF52840 DK (pca10056) (As BLE sniffer)
nRF52 (pca10040) (Used...
Hello
We are using NRF9160 AssetTracker 1 and MQTT to AWS. We have a AWS Certificate, Root Certificate and Public and Private Keys on the device.
We want to start testing...
My device get deep sleep mode. It wakes up from reset button trigger. Because I couldn't gpio pin trigger for wakes up. So I put vibration sensor to reset pin. It wakes up...
Hello, I am developing a custom board based on nRF52832 that should spend most of it's time in SystemOFF mode. Eventually, it will wake up on an GPIO event caused by the external...
Hi,
I've been using the DWT macro cell successfully on the app core to provide high accuracy timing information. E.g., with these declarations:
and enabling the cycle...
hi ~
peripheral can bond how many smartphones ?
and What will happened if over bond?
i use sdk12.2 below 'is my setting
#define SEC_PARAM_BOND 1 #define SEC_PARAM_MITM...
Hi…
I am using freeRTOS V10.0.0 release
I am using nRF52820 + SDK V17.0.2 with SD112 V7.2.0 along with tickless idle as this is a battery based product…
When my application...
Hey guys, I'm an embedded software engineer and I am currently working in a prototype, specifically using the Circuitdojo Feather nRF9160 , I am also using a Hologram International...
Based on the Sample "Bluetooth Peripheral_uart:
My latest attempt to send long data stream:
I send:
1234567890123456789012345678901234567890123456789012345678901234567890...
Hi,
I've met a problem. It seems NVS sometimes erases sector during initialization.
As shown in following log, I wrote 2 datas(address, slot) in NVS. Normally, I can read...
Using the period required for 2Mbps Gazell, 600us, how much does this slow down BLE (bandwidth/# packets)? Also, does the timeslots API work well with nrf52? If I modify this...
