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 am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hello.
I use SDK 8.0.0 and PCA10028 board. I try connect board to the Windows 8.1 PC ( i have Tablet PC and Desktop PC with BLE dongle). For connect board to Windows i...
I think I understand what these two flags do, the SYS one returns the system attributes, which I assume means data representing the CCCD for the service changed characteristic...
Hello,
Is there any compatible arduino lcd with existing library for the nRF51 Chipset?
So I can just plug it on the nRF51-DK, include the library and "lcd_wirte("text...
Dear Developers!
I'm a newbie in nrf51822
My Project needs to change between central and peripheral role. How can I apply OTA DFU with S130 soft device ?. In nrf51822 DFU...
Hi,
I used PPI module and Timer2 to generate a 4Mhz pwm. But I founld when using softdevice(s110 v7.0), the pwm will be broke a while by BLE advertising or connecting event...
What's wrong?
Device is connected. (nRF51822 Board - J Link - PC)
I downloaded a sample project, and when I open with Keil, then it shows following message.
What...
Hi all,
I would like to know which is the most recent SD and SDK that I should be using with my REV2 chips. In the compatibility matrix, there is no info about the SDK...
I am working on s120(central) and s130(central/peripheral). I am getting
BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST event after updating conn_parameters w.r.t to peer using sd_ble_gap_conn_param_update...
Using nRF51x and S110 v8 in a BLE application I want to generate a random 32 bit identifier and store at end of UICR on first power up only after factory flash (no erase needed...
The pwm library seems to add 10KB worth of code to my program. Alot of it probably comes from the nrf_drivers that are used, but still 10KB. While enabled it seems to pull...
Hello,
Since 2 weeks, I use heavily my nRF51-DK (PCA10028), with mbed compiler to make a BLE enabled device.
But, since few days, when i have tried to cut the SB9 in order...
I have a Rev3 nRF51822 chip (CFACA00) on a custom board (no external pull resistors on SWDIO or SWCLK), and I am using nRFgo Studio 1.20.0.2 to program SD 8.0.0 and my Nordic...
