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5 things to build with the $4 chip that's outselling the Raspberry Pi

The ESP32 keeps finding new jobs in my house.
GitHub

raspberry-pi-zero-wh

A local smart home alarm system built with Raspberry Pi Zero WH, including PIR sensing, LED and buzzer feedback, Zigbee/MQTT door monitoring, camera integration, a web dashboard, and custom PCB design ...
GitHub

vladik9/100_days_100_iot_projects

A 100-day challenge exploring IoT and embedded systems using ESP32, ESP8266, and Raspberry Pi Pico with MicroPython. Each day covers a new sensor or module with complete code, circuit diagram, and ...
21ic

红外传感器阵列的非均匀校正操作与精度提升

[导读]在红外测温、气体检测与热成像应用中，红外传感器阵列（如8×8、16×16、32×32热电堆或微测辐射热计阵列） 面临的核心问题是非均匀性（Non‑Uniformity）——即使面对均匀温度目标，各像素输出也不同。这种差异源于制造工艺偏差、光学系统渐晕与读出 ...
21ic

DHT传感器的基本参数与硬件特性

[导读]在物联网、智能家居、环境监测等领域，温湿度是最基础也最核心的两个环境参数。想要低成本快速获取环境温湿度数据，DHT系列传感器几乎是很多嵌入式开发者的第一选择。从早期的DHT11到升级款的DHT22(也叫AM2302)，这款单总线协议的数字温湿度传感器 ...