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,
If I use the nRF51822 with 128KB ROM and I connect to a external flash via SPI.
The SoftDevice and bootloader are stored in the internal 128K ROM.
Is it possible...
Using GATT characteristic writes to transfer data is slow.Is there a cleaner and/or faster way to do faster OTA upgrade?
Also I wanted to upgrade firmware without affecting...
I have set up a 6lowpan test environment and could control the led3 and led4. could u please provide me with a code to read value at p0.01. i want to connect a temperature...
I directly connect GPIO pin with 24ohm resistor as follows.
And I set GPIO pin as high drive,
NRF_GPIO->PIN_CNF[MY_PIN_NO] |=
(GPIO_PIN_CNF_DRIVE_H0H1 << GPIO_PIN_CNF_DRIVE_Pos...
hello ,i use SDK9.0 ANCS project.when I paired it ,it can work normal. it can recive QQ,wechat,message and so on. but when I paired many times, it will be SystemReset.
...
Hi
I am trying to make an activity tracker with very low power conumption with the nrf52. The Idea is to count interrupts from an accelerometer thtat are generated if the...
Hi
I'm testing Buttonless DFU.
I use SDK 12.2.0 , NRF52 and S132.
I succeeded in entering DFU in Master Control Panel (PC application).
I want to do it even on iOS....
Hello,
I recently finished up the NRF51822 pcb board that I plan on getting printed. I posted my board before and have fixed the problems another user specified.
I used...
Hello,
is it enough to call NVIC_SystemReset() after I flashed a board so that it returns to lower power consumption? Or do I have to pull out the battery?
Marius
I hope to trigger notification from Bluetooth module into Master Control Panel. I had enabled notification/indication = true. However, when I pressed the button on my module...
Hai
i am able to store one array in flash memmory of nrf51822. but i need to save more than one set of data into flash and retrieve it separately.
how can i save more...
Hello Everyone
Is there any example code which uses indication property. Application nAn-36 uses notification property and as far as i read and understood about indication...
Solved: Well, turns out delay and SCK doesnt work well together haha. I imagined the sck signal to be a background thread of some sort. I was wrong.
Hi guys,
at the...
HI, I have actually couple of (connected) questions,
Can a phone (v4.2 bluetooth) connect to a nrf52840 board that uses 5v bluetooth?
How many (BLE) connections...
Hi !
I just got my new boards with the NRF52 CPU.
When i burn the firmware that worked on the PCA10040 evk it works but on my hardware it resets immidiatly.
On my...
