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Pigpio Hardware PWM_unable to write frequency above 5Khz

There are known problems on the Pi4B and later (the Pis with the BCM2711). We have not discovered the reason and currently there is no known fix. https://github.com/joan2937/pigpio/issues/517
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CAN bus from Raspberry Pi3+ to Arduino Nano

From another Pi-Baker I borrowed a "Waveshare 2CAN-Shield" Using the settings from their wiki, I set the "/boot/config.txt" to dtparam=spi=on dtoverlay=mcp2515-can1,oscillator=...
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CAN bus from Raspberry Pi3+ to Arduino Nano

You state: "it is suggested, that the MCP2515 must be supplied with 3V3 rather than 5V . I do not understand why, since Vdd in the datasheet ranges 2.7-5.5V. Its never explained in detail. Also ...
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CAN bus from Raspberry Pi3+ to Arduino Nano

Like you I have several Arduinos operating on CAN. It is the start of rebuilding my home automation system. It has 120+ hardwired relays running from a XT. I plan on the Pi as the controller but have ...
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