Notes on robotics, vision, and systems.
Controls come from the Controls palette. Right-click to open the Controls palette. You can add a control to the front panel by clicking it or dragging it. A block diagram consists of terminals (from the front panel), subVIs, functions, constants, structures, and wires.
This release is the English version. For the Chinese version, see the resources page. Download the LabView2019.zip archive from the cloud drive, extract it and open the corresponding 64-bit or 32-bit folder, then extract the ISO file inside that folder, open the extracted folder, and double-click install.exe to install.
When designing MCU circuits, the number of MCU I/O pins is limited and sometimes cannot meet our design requirements. To control more devices, we need peripheral digital chips for pin expansion. A common choice is the 74HC138, also called a three-to-eight (38) decoder.
The CD4066 is a quad bilateral analog switch. Connect the four inputs of the CD4066 to the L298N outputs and the CD4066 outputs to the stepper motor's A+, A-, B+, and B- terminals. Tie all four control pins to one MCU pin so a single pin can switch all four switches on the CD4066 together, enabling stepper motor selection.
Solution: Choose Design—Configure Power Rails. Under Power Supplies, add the power supply that is not connected to a net to the list of connected nets.
A microcontroller cannot drive a stepper motor directly, so an L298N is needed as the driver. This article introduces some L298N parameters, along with the drive principles and methods for a two-phase four-wire stepper motor. A simulation experiment is also performed in Proteus based on the drive principles described.
This experiment uses an ESP8266 NodeMCU. The firmware flashed is the official NodeMCU firmware. Open the official ESP8266Flasher, select the NodeMCU firmware in the Config tab, and set the flash address to 0x00000.
Fundamentals of Digital Methods: Common Functions. 1. Cross Product 2. Vector Normalization 3. Matrix Multiplication 4. Matrix Multiplication.
Use OpenGL to perform various basic operations, including generating a tetrahedron, importing a local model, and applying matrix operations to a model, for a better understanding of digitization methods.
