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...
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...
hello,
i want to ask that is there any tool for reading and writing on flash directly.
e.g tool like extreme burner .i am loking for a tool like extreme burner.for nrf51822...
hello,
i am using ble_app_uart code and in this pwm is also used but when i am enabling pwm my bluetooth connection gets disconnected.
will you please tell me how to use...
I am a student and very new with your product and how to use it.
I just order nRF52840-PDK today via online electronic store.
Please provide complete equipment list...
Hi, I want to OOB pair two equal devices (pca10040 + NFC shield) via NFC. Since its not clear which of the two devices will act as NFC initiator (active) or tag (passive)...
Hi.
I'm trying to upgrade multiactivity_beacon scanner example to SDK 11.
But, there's no config for nrf52(pca10040) in that example.
So, I configured it myself and...
Hello,
I just purchased this device:
www.aliexpress.com/.../32399375500.html
but found out that evaluation board is only a debugger and does not actually program the...
S130, SDK 12.3, ble_app_hrs_c example.
I want to use whitelist function in this example but I can't finish it.
When I run peer_list_get(), it gets all 0xFF, means that...
While investigating connection parameter handling, I noticed the following:
The is_conn_params_ok(ble_gap_conn_params_t * p_conn_params) function in ble_comm_params.c only...
Hello,
I am working with S132 3.1.0 on a project based on FreeRTOS. Under some circunstances I set manually the value of some characteristics by using the function sd_ble_gatts_value_set...
Hi,
I am working with a nRF51822 board and I want to program in OTA. I know how to program over the air, but the only problem is that when I have a new unused board I need...
Hi,
I am adding BLE functionality to one of my existing product. I product will play the central role for which I am thinking to use nRF51822 based module.
I learned...
Hello i read RSSI in beacon_evt_handler() hrs_scanner project:
printf("RSSI: %d\n\n\n",p_evt->rcv_adv_packet.adv_data.rssi);
but he show me a wrong value of RSSI: 4539...
