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...
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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...
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I have very trivial question. I open the template program which is attached in SDK 11.0. In application timers start function I wrote the following code. The result...
I am only sending the local name in the BLE advertisement packet. Do I need to send the manufacture Id as well, even if there is no manufacture specific data that I need to...
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We are using the Experimental Bootloader example from nordic SDK 10. The project is a good example on how to check for authenticity and integrity of the update package...
Hi.
I'm doing a project of wireless sensor network. It is a small network of less than 6 elements, so I'll use piconet. I have ble_app_hrs working perfectly. But only with...
Hello,
I'm working with a nrf51822, SoftDevice S120 v2.0 and SDK v9.0 platform.
Specifically using it a Central role to connect to a Blood Pressure peripheral.
When...
In section 7.5.2 of the nRF24L01 Datasheet it states:
PTX enters RX mode and waits a time period for an ACK packet each time a packet is transmitted.
During this...
Not really a question, but I found a potential issue with the Battery Service module in ble_bas_battery_level_update() . This is in both SDK v10 and SDK v12.
The problem...
Up to this, we've been prototyping with MDBT40 module in our prototypes. We want to move to a completely custom PCB using the nRF51822 SoC for a number of reasons (space and...
Hi,
I am using nRF51-DK with softdevice S130 and SDK 12.0. I am working on the BLE central role with ble_nus_c service. I am able to setup the multiple connection with...
Hello,
In the last month i bought the nr52-dk, my first two steps handling it were:
the getting started tutorial and some other tutorials to get the feeling of the...
I am doing some test with the Battery Service on SDK v10, and found out that if I have not enabled Notification on my phone, calling ble_bas_battery_level_update() returns...
Hello.
For routing purpose, I use GPIO pin for NFC for spi, driving a screen.
I start a screen integration with the with the spi peripheral example projet. Using the define...
I am using the nRF52 (SDK12.0.0) to create a very simple BLE application (maybe based on the BLE_APP_HRS example). The system will have a button, LED and interrupt pin from...
