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...
Hi all.
What is the best practice to set the system in standby? I have a PWM and when is active the system can be in a low power consumption until a button is pressed. But...
Hi,
I've some questions on nPM1100's buck regulator
1) What is the Iq (quiescent current)?
2) Does it support 100% duty cycle?
3) What will happen to VOUTB if VINT...
Hi,
We are using ANNA-B112 module with nRF52832 chip and trying to store the product serial number in UICR. From the description of UICR, it seemed that the CUSTOMER area...
Hi,
A have an application on a custom board that will not start, unless I use JFlash Start Application command, or attache the debugger. I already added CONFIG_BOARD_ENABLE_DCDC...
Hi,
given "nrf_drv_twi_xfer" or its "nrfx_twim_xfer" younger brother is used to communicate over I2C, and its a TxTx tranfer, than what does "nrf_drv_flag_tx_no_stop"...
I am using bleak and python to connect to a ble device and then using subprocess to run the dfu. The ble device disconnects when the dfu starts and then I get "Connection...
I have a Thingy:91 board that appears to be broken, no response either on the LED or via USB UART when switching on.
I've earlier done some development with it, and hooked...
Hello,
I am attempting to follow along with the AWS IoT example. Everything has gone OK so far (Create a Thing, Create a Policy, Create and download certificates) until...
Hi All,
In our product we have noticed that, on a few occasions, some important information that is saved using FDS (in a file with ID: 0x02) are being erased when an OTA...
Hi,
Do you have a recommended circuit for supplying VDD_GPIO with the right timing relationship to VDD?
Section 11.1 of the datasheet says "VDD_GPIO should be applied...
Since the 9160 will vary his transmit power based on signal strength, is there any way of determining what power is being used for a given transmission? I know that the max...
The Edge Impulse firmware compiles and flashes to the Thingy53, without problem. I would like to increase the range of the BMI270 accelerometer, but can't find any reference...
I am using 52840 and SDK V14.2.0. When compiling nrf_ble_dfu.c I see the following error in nrf_dfu_types.h: line 258
"two or more data types in declaration specifiers....
Hello,
I am getting 0x07 error code when invoking sd_ble_gattc_char_values_read(..) function.
I am using SoftDevice 140 v6.1.1 APIs. I have an NRF52 dongle and I programmed...
