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本文介绍了一款基于 Seeed Studio XIAO SAMD21（XIAO M0） 微控制器及其 XIAO 扩展板 实现的智能手电筒。系统以 3.7V 锂离子电池供电，使用扩展板集成的充电管理与电源系统，并通过 AO3400 N 沟道 MOSFET 驱动高功率 LED 阵列。借助 XIAO 扩展板上的 SSD1306 OLED 显示屏，手电筒 ...

[Davis DeWitt] gets to do something that many of us only dream of — build cool working props for movies. This time, the director asked for a realistic smoke grenade that can roll up to a mark and stop ...

The number of IoT devices is growing by the day. Wearable and miniaturized applications are becoming more common, which necessitates the development of smart devices with extremely small dimensions ...

– Small size: As small as a thumb(20×17.5mm) for wearable devices and small projects. – Multiple development interfaces: 11 digital/analog pins, 10 PWM Pins, 1 DAC output, 1 SWD Bonding pad interface, ...

Have you ever wished for easy mouse controls to go along with your VR headset experience? Or maybe you just want a cooler way to mouse in general. In any case, look no further than [rafgaj78]’s ...