Wiznet makers

UCC

User Created Content

This tweet explains RP2040 interrupt architecture, IRQ allocation, NMI mechanism and NVIC priority rules.

Pico NVIC Deep Dive: Vector Table, NMI & Interrupt Priority Nesting

ruilixin6
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This tweet introduces MCU interrupt concepts, polling contrast, interrupt types and NVIC fundamentals.

What Is an Interrupt? MCU Interrupt Logic Explained With Real Examples

ruilixin6
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This tweet introduces the basic characteristics and working principle of stepper motors.

67 Serial Protocol Analysis: R60ABD1 Radar Driver Design in MicroPython

ruilixin6
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This tutorial covers RS485 fundamentals, MAX13487 chip, and a MicroPython RS485 implementation on Raspberry Pi Pico.

MicroPython RS485: MAX13487 Master-Slave Communication Project

ruilixin6
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This tutorial introduces RS232 standards, MAX3232 level conversion, and implements an RS232 communication class with XON/XOFF software flow control on Raspberry

MicroPython RS232: XON/XOFF Flow Control & Overflow Solutions

ruilixin6
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This tutorial explains MicroPython select poll() I/O multiplexing and demonstrates serial port event monitoring, data reading and exception handling.

MicroPython Basics: Stream vs Block I/O Devices Explained

ruilixin6
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This content covers serial bus servo basics, LX-1501 protocol and a MicroPython SerialServo driver for servo control and data reading.

Bus Servo vs Digital Servo: Structure & Signal Principles Deep Dive

ruilixin6
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This article introduces the JY61 six-axis gyroscope, covering its UART data frame protocol, checksum calculation, data conversion and available control commands

MicroPython + JY61 Gyro: Serial Driver, Custom Protocol & Data Visualization

ruilixin6
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This experiment realizes UART send & receive on Fengya No.1 board, with bytes decoding, LED prompt and verification using XCOM.

Data Transceiver Practice: hardware Configuration, MicroPython Programming

ruilixin6
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This tutorial covers RP2040 UART hardware overview, MicroPython machine.UART APIs, IO multiplexing with select module, and serial debugging tools including CH34

Raspberry Pi Pico UART: Hardware, MicroPython & Debugging Guide

ruilixin6
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Room Environment Monitoring

Room Environment Monitoring

Alan
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VFD Clock with SNMP and NTP

VFD Clock with SNMP and NTP

Alan
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This article details Raspberry Pi Pico UART hardware architecture, covering FIFO buffer, DMA, interrupts, baud rate calculation and hardware flow control.

Raspberry Pi Pico UART Deep Dive: Hardware Architecture & Register Operations

ruilixin6
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This tutorial covers UART flow control, common data verification algorithms and pipeline optimization to boost serial communication throughput.

Serial Port Hidden Tips: 3 Concepts to Boost Communication Speed

ruilixin6
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This tutorial explains UART asynchronous serial communication, frame structure, parity check, baud rate concepts and data transmission workflow.

Serial Ports Deep Dive: Custom Frames for Multi-Device Communication

ruilixin6
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This tutorial explains UART asynchronous serial communication, frame structure, parity check, baud rate concepts and data transmission workflow.

Serial Ports Explained Simply: Core Concepts With Real-World Examples

ruilixin6
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This tutorial explains embedded communication basics including transmission modes, duplex types, rate concepts, interfaces, buses and protocols.

Embedded Communication Basics: Transmission & Protocol Rules for Beginners

ruilixin6
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This article introduces communication fundamentals and classifies mainstream wired and wireless communication protocols used in embedded systems.

Serial to IoT: 10 Communication Protocols Compared

ruilixin6
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This tutorial introduces 5-way joystick and implements multi-direction key detection with MicroPython GPIO interrupts.

5-Way Button Deep Dive: Pico Detection & MicroPython Code

ruilixin6
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This tutorial covers EC11 rotary encoder and its MicroPython interrupt experiment with a terminal progress bar.

Pico + MicroPython: Build Rotary Encoder Progress Bar – Hardware, Principles & Full Code

ruilixin6
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It introduces 28BYJ-48 stepper motor and ULN2003 driver, and demonstrates single-phase driving experiment on Fengya No.1 board via MicroPython GPIO control.

Embedded 101: Unipolar Stepper Motors – Principles & Single/Dual/Half-Step Driving

ruilixin6
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A PV-system bridge with an ESP32-C6 as its "brain": W5500 wired Ethernet talks MQTT to Victron, while Zigbee exposes battery values to Home Assistant.

Plug-In-Battery (ESP32-C6 PV Bridge)

irina
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HaphazardBridge uses ESP32-S3 and W5500 to link Ethernet-only SDRs to ATAK over Wi-Fi, adding NAT, gRPC, CoT relays, and two field modes.

HaphazardBridge

matthew
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lamePod combines ESP32-S3, W5500 Ethernet, TAS5805M audio, and an XVF3800 mic array in an early, privacy-focused DIY smart-speaker design.

LamePod

matthew
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