用超声波传感器测量“水面距离传感器的高度”，再换算成水位高度与百分比，通过 Wi-Fi 上传到 Blynk 云端，在手机 App 上实时显示和告警。 HC-SR04 的 TRIG 、 ECHO 分别连接到 ESP32 的 GPIO： ...

据介绍，这款产品可用于智能家居中枢网关， 内置一块 1.14 英寸触摸屏 ，分辨率为 135*240 像素，配备两个自定义按键和一个蜂鸣器， 集成 6 轴 IMU 传感器 ，可记录运动、加速度和方向数据。

In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units, along ...

The ReSpeaker Lite ($32) is a ESP32-based audio kit with a 2-mic array from Seeed Studio that can transform your old speakers ...

We just got our hands on some engineering pre-samples of the ESP32-C3 chip and modules, and there’s a lot to like about this chip. The question is what should you compare this to; is it more an ESP32 ...

Over on the ESP32 subreddit, Redditor Wide_Illustrator7493 took to the stage to show off their Pomodoro timer. It's a cute little piece that automates setting the alternating timers, and the entire ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article dives into the happens-before ...