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,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I'm using the SPI Master driver code on the nrf52 using EasyDMA to talk to a SPI slave (Adesto Flash chip)
I can successfully initialize, read, write and read-back from...
I'm designing a BLE peripheral with a custom profile composed by Hearbeat, Device Information and Battery service plus a custom service for device operation parameters configuration...
Hi,
we are trying to develop a BLE keyboard that work with android and ios. We made custom board using nRF51822 and keyboard driver IC with a qwerty keyboard layout. We...
Hi,
In SDK nRf51-SDK_9.0.0.2e23562, I call sd_ble_gatts_characteristic_add().
I set the p_cccd_md read_perm as BLE_SEC_MODE1LV2 or BLE_SEC_MODE1LV3, and set write_perm...
softdevice_enable was executed.
Will not proceed after sd_ble_enable.
I have tried the following ram address.
0x20002128
0x20002080
I use the IAR 7.5 compiler...
I changed the number of byte in one package from 20 to 250, but I used Nordic UART Android app to receive date, it also just can received 20 byte per package, is it passible...
hi
i make spi connection between nrf and lpc1788 . nrf as slave and lpc1788 as master. i got data from lpc but when i send data to lpc nothing send . when using another nrf...
I use nrf24le1 design a board, but it works abnormal when distance farther than 0.5m.
This is my pcblayout,designed by ad14. Can someone help me to check is something wrong...
We're currently running into a lot of bugs using timer1(and 2) especially with the softdevice enabled. Every so often it glitches, and after further inspection of the code...
Hi,
I am currently porting the serialization transport layer to a stm32 chip (the spi 5W master configuration).
I am facing an issue in the state machine used to handle...
hi,In the host,
if(nrf_gzll_get_tx_fifo_packet_count(pipe) == 0 )
{
nrf_gzll_add_packet_to_tx_fifo(...);
}
In the devcice, every 5 min send packets to host ,but ack...
Hi,
I'd like to design a custom software an win10
to help in design a custom hardware using nrf51822...
at this time I have an eval board (PCA10028) whit a custom firmware...
We are trying to dump DFU code using Keil into nrf51822 IC. We are getting error, we are using SDK12. we tried many solutions provided in devzone, we were not able to solve...
Hello everyone,
I am trying to congifure two gpio pin (pin 6and 7) in standard high drive mode 5MA because am trying to connect those pin to the speaker inorder to increase...
When I program the board the COMP and Timers work fine. Upon removing the debugger and resetting the board it also works fine. But if I subsequently power off the board and...
