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What are you looking to drive? Do you need +/-10V to motors/drivers for motion control? If it's for standard spindle control (0-10V, positive only with separate spindle direction pin), Phil Barrett's boards are fantastic: I haven't heard of anything built on grbl(HAL) that'll do +/-10 for anything. Hopefully someone else can chime in. Depending on your needs, you might require an additional circuit for logic conversion. |
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I believe @imechura means axis control (galvanometer?) since step/dir control is mentioned. |
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A while back I added XY axis control via an I2S analog audio DAC to a STM32F4xx/Nucleo 64 board combo. Code is here - it traps the stepper pulse start call and scales and outputs the step position via DMA. The DAC output can be amplified/shifted to any range with suitable electronics. |
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More here. |
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Does anyone know of a board that supports +-10V analog output to drives for GRBLHal. Is this supported by grblhal or is support limited to step/dir control?
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