hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi all,
I cannot find the exact connector to use for the P19 Debug out header on the pca10028 board.
The one I have has the plastic around too big so it doesn't fit.
...
Hi,
I'm working on a simple ADC application where I sample using analog channel 1 and then read the value through the debugger. However my results are nonsense. I have...
I'm using s120_nrf51_ble_driver on PC.
To connect the BLE dongle, we need to COM port number to be known (parameter of sd_rpc_serial_port_name_set). Is there really no...
I am working on a project on wireless interface between phone and SIM card. I want to use chip nRF51822-CEAA to run SIM card simulation at phone side (include wireless communication...
in nRF51822 product specification a maximum absolute rating of 3.9 Volt is reported, while in electrical specification the maximum voltage is 3.6 Volt.
The question is :...
Hi,
I have tried with the nrfjprog tool and I get the following error:
Command:
nrfjprog.exe --eraseall --programs s110_nrf51822_7.1.0_softdevice.hex --program HILO_P_01...
Am trying to setup a module where I need to send the Serial port ( say from printer/peripheral COM)
to a BLE Peripheral/Central Module. Not sure which SOC or combination...
I have a board built which is a tracking device with a GPS and GSM modem. I'm beginning field testing and have been flashing it with a Segger then disconnecting the Segger...
Hello everybody,
I'm getting crazy, I'm trying to extend HID axis values from 0..255 to 0..1023 max using the descriptor found in the example ble_HID_keboard/hid_joystick...
I have used the nrf8002 chip before and love it but now I am trying a different application that requires a bit more smarts. I am trying to design a system that can have an...
I have an nRF51822 board that is running fine for a while. At some point, it runs into an error and calls ble_debug_assert_handler() and goes into an infinite loop. At that...
Hi all,
I am new to nRF51822,now I want to used a simple ble application to send a data,and nRF51822 ble device read this data to control RC servo motor ,for example app...
We are using S130 v0.9 stack,
and when BLE device A is connected as peripheral of iphone
and central of BLE device B at the same time
iPhone --> A ---> B
Device...
Hello,
I am working with the nRF DK trying to read a sensor over I2C. I wrote some code in Keil uVision and I finally could read the sensor. The problem now is, for some...
