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RP2040-2x GC9A01显示在共享SPI显示位图眼睛和绘制眼睛绘制仪表使用多语言和符号字体这个使用RP2040-Zero和两个GC9A01显示器的演示项目侧重于向每个屏幕发送不同的图像。通过利用SPI端口的共享使......
This is a fun and useful circuit for demonstrating high frequency high voltge. It can produce up to about 30KV......
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Solid State Power ControllerAbout the CircuitThe ckt is built around two 555 timer ICs. U1 and U2. U1 is wired......