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 build a BLE 6LoWPAN environment on my raspberry pi with Kernel 3.18.3 and connect a BLE Dongle. The BLE Node is Arch BLE ( www.seeedstudio.com/.../Arch-BLE-p-1998...
I referenced the question in this link devzone.nordicsemi.com/.../sd_ble_gattc_primary_services_discover .
And I can see the Read by Group Type Request and response in sniffer...
HI,
I add a readable and writeable characteristic with :
attr_md.vloc = BLE_GATTS_VLOC_USER;
attr_md.vlen = 1;
attr_md.wr_auth = 1;
and
attr_char_value.p_attr_md...
Hi Guys,
I'm doing a test between CC2541 and Nordic NRF51822. The CC2541 work as a peripheral role. NRF51822 as central role. But CC2541 can update another CC2541 that...
I'm working on a design that requires an adc reading to be taken on a pin that is also used as an interrupt. I've looked at the reference manual but am still confused as to...
The end of memory bss is @ 0x20002DAC (11692B).
The start of the heap is @ 0x20002DB0 with a size of 2560B.
The heap ends at 0x200037B0.
The stack works back from the end...
Hi,
I intend to buy the NRF51822 beacon to use it to transmit data from an SPI-linked sensor. Is this feasible? (It seems so, but I just want to make sure). Also, will I...
Yesterday was the nrf Beacon application for Andriod Studio released. I added the project DFU library to the same folder as described. But I get an error:
Gradle 'Android...
Hello! I want to try IPV6 for nrf51822. I have a few questions:
How many connections can be provided by the one device?
Can we broadcast messages between devices...
Hi,
I'm developing BLE functions using nRF51822 on top of the Android Kitkat applied device. I cannot find android bluetooth HAL source code that Nordic provides. Is there...
In my application I have a custom board with a single LED. While advertising the LED blinks at 1Hz and when connected the LED goes solid. However while testing with a proven...
I'm creating an application based on the s110 SoftDevice found in nRF51_SDK_8.0.0_5fc2c3a. I'm new to the SoftDevice framework so I've probably made an error somewhere but...
Is the GPIO pull down/up asserted on the 'inside' of the input disconnect switch or at the input/output pad? The diagrams would indicated that it is on the 'inside' of the...
This is function definition:
static uint32_t battery_level_char_add(ble_bas_t * p_bas, const ble_bas_init_t * p_bas_init)
This is declaration of the automatic variable...
