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...
Good work,
I am trying to control with android i nrf51822 But I have a problem. Ten LEDs After connecting the device with Android when I press the off button or "device does...
redbearlab nrf51822 led controller with android.nrf51822 with android connected.But led on off Device does not support uart.Disconnecting.
How solving is the problem ?
I wrote code usenig de Development Board 10028 (nrf51422).
I bought in aliexpress This model link text
The first question I remember There is almost no difference between...
I have a project, where I try to trigger an interrupt when I get a low-to-high tranistion and high-to low transition.
My setup:
-nRF51DK
-SDK8.1
-SoftDevice 8...
I'm looking at the ble_app_hrs example and I'm confused about how the drivers are able to differentiate between events originating from various services/characteristics. For...
The JLINK is costs hundreds of dollars, the STLINK is less thank $20 USD (available on ST's Discovery boards). I would really prefer to use the STLINK. Is there a way to program...
I have two nRF24L01+, one as PTX and one as PRX.
Both have following config: EN_RXADDR = ERX_P0, EN_AA = ENAA_P0, RF_CH = 100, RF_SETUP = 0x26, SETUP_RETR = 0xF0, SETUP_AW...
Hello, i have bought nRF51822 pcb module on Aliexpress (nRF51822 CEAA chip HWID 006A, 16Mhz crystal) and I'm trying to test it with SDK 6.1.0 and S110 v. 7.3.0 (as compatibility...
Hi,everybody！
When i install master control panel 3.10.0.14, i can't find nrf.exe in " C:\Program Files\Nordic Semiconductor\Master Control Panel\3.10.0.14\nrf ". Only nrfutil...
Hi,
I've been using the nRF51 dev kit, and today it stopped mounting when I plug it in. It doesn't show up as MBED or BOOTLOADER.
I use both Mac OS X and Windows, though...
Hello,
Using BLE Scanner app (available for Android), i'm able to change the device name. I can also write other values for each characteristic.
How can we protect a...
Hi,
I use nrf51822 with SDK8.1, S110 and gcc with Makefile. I want to use nrf_drv_twi in both my main “.c” file as well as a library “.c” file that is included in the build...
This is SDK 8.1.0, Softdevice 7.3.0 (not being used for this demo), running on a NRF51822-CEAA.
The minimal program below just sets the WDT for 10 seconds, then goes into...
Hi,
I have designed a custom board with nRF51822 but when I connect the custom board and j-link with an adapter the program nRFgo can't detect the chip.
When I conenct...
