代码已放在附件中，有需要可自行下载。 ①开机初始状态设置，true代表有声音，false代表静音。在开机状态下按住MODE/SET键后 ...

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PCF8574 library. i2c digital expander for Arduino, Raspberry Pi Pico and rp2040 boards, esp32, SMT32 and ESP8266. Can read write digital values with only 2 wire. Very simple to use and encoder support ...

[导读]在我们之前的LED亮度控制项目的基础上，我们现在将进一步创建一个动态的LED灯光秀。使用PWM和亮度的定时变化，我们将创建平滑的过渡，淡出和效果，使LED在视觉上引人入胜。让我们让LED焕发生机吧! 在LED亮度控制的基础上，我们将使用PWM，平滑过渡和淡 ...

HackBat is an open-source hardware pen-testing device designed for hackers and makers and equipped with a Raspberry Pi RP2040 microcontroller, an ESP8266 WiFi module, a sub-GHz RF transceiver, NFC, an ...

This is the library will create the OAuth2.0 access token used in the Google API's http request (REST). The Service Account credentials i.e. project_id, client_email and private_key which are ...

As seen in James Bond movies, audio spy bugging devices are used by intelligence agents in different parts of the world. These devices can help hear conversations from a distance. Their size is ...

Controlling the light brightness or fan speed is often done using a regulator found in switchboards. But can you control them using a smartphone? Yes. Although it’s possible, there are hardly any IoT ...

Espressif's ESP32-C3 has arrived. A single-core, cost-effective alternative to the ESP8266, the ESP32-C3 uses the open RISC-V instruction set architecture. Let's take a look. The ESP32-C3 from ...