Programmer Think

1. Preface I finally don't need to debug a hardware device and install an APP. If I download someone else's network debugging assistant in the APP store and have advertisements, I might as well write a relatively complete network debugging assistant directly. At present, the supported functions include tcp client and server, udp, low-power Blu ...

BLE introduction BLE Bluetooth is a Bluetooth module above Bluetooth 2.0, and classic Bluetooth is Bluetooth below Bluetooth 2.0. Bluetooth is divided into client and server. Classic Bluetooth can communicate between client and server through socket programming (similar to network socket), but BLE Bluetooth cannot communicate in this way. Ther ...

HC-05 Bluetooth serial communication HC05 module is a high-performance master-slave Bluetooth serial port module. It is a PCBA board integrating Bluetooth function. It is very convenient for short-range wireless communication. It can be seen from a treasure merchant that Bluetooth can be used in many ways. Here I use Bluetooth host connection ...

The BLE chip of Dialog basically has OTP (one time programmable) memory, that is, the memory written at one time. Once written, it cannot be modified. For example, DA14531 has 32KB OTP memory. It is mainly used to write curing programs and save some important factory parameters. The following mainly describes how to read and write OTP memory an ...

1, Overview 1.1 OTA DFU DFU(Device Firmware Update) is firmware upgrade, and over the air is firmware upgrade through wireless connection. As long as the DFU is realized through wireless communication, it can be called air upgrade, including WiFi / Bluetooth / NFC/Zigbee. You can also use wired methods for air upgrade, such as serial port, US ...