Outputting arbitrary audio waveforms using I2S on Raspberry Pi Pico (RP2040)

I want to output audio with arbitrary waveforms using the RP2040. While there are methods using buzzers or PWM output, I ...
Hackaday

Two Microcontrollers Talking, All It Needs Is An LED

There are some projects that seem at first sight to be easy, but anyone who tries them finds a whole heap of unexpected problems and turns to the off-the-shelf device. PCB antennas for example, or ...

[Arduino Super Introduction #33] Changing Brightness with PWM | Let's Adjust LED Brightness with High-Speed On and Off

In the previous chapter, we stored the current state in a variable and switched the LED operation mode every time the button was pressed.The signals sent to the LED so far have been of two types: HIGH ...
blog.csdn

Arduino PWM调光与恒流驱动：从analogWrite到精准控光

本内容遵循CC 4.0 BY-SA版权协议 很多人第一次接触Arduino做LED控制，脑子里想的都是“点亮一个灯”就完事了。接个电阻、写一行 digitalWrite(13, HIGH) ，灯亮了，收工。但真正做过产品级灯光控制的 ...
Yahoo

Neuroscientist Sounds Alarm Over LED Light Health Risks

The energy-efficient LED bulbs now commonplace in American homes, schools, and offices could carry hidden health risks, according to a neuroscientist who is sounding the alarm over their potential ...
blog.csdn

Zephyr 开发板指南：Electronut Labs Blip 与 Papyr（nRF52840）板级支持、引脚映射与 Black Magic Probe 调试实战

Zephyr 开发板指南：Electronut Labs Blip 与 Papyr（nRF52840）板级支持、引脚映射与 Black Magic Probe 调试实战 【免费下载链接】zephyr Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized ...