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Firmware for the Four-channel High-current DC Fan & Pump Controller (0510818A.HEX)
The HEX file and MPLAB X project (.c) files for the Four-channel DC Fan/Pump Controller.
This updated version (v1.1) has supply voltage smoothing, which makes Cooldown Mode work more reliably, and also fixes a bug causing glitches in some DS18B20 temperature measurements.
v1.2 adds further supply smoothing to the sleep logic, to prevent the unit from going into sleep mode and skipping cooldown from longer negative supply voltage spikes.
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Four-channel High-current DC Fan and Pump Controller PCB [05108181]
The PCB for the Four-channel DC Fan/Pump Controller.
Double-sided PCB with plated through holes, solder mask and silkscreen overlay.
68 x 35mm.
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PIC16F1459-I/SO programmed for the Four-channel High-current DC Fan & Pump Controller (0510818A.HEX)
A PIC16F1459-I/SO 8-bit SMD microcontroller programmed with the firmware for the Four-channel DC Fan/Pump Controller (0510818A.HEX).
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Four-channel High-current DC Fan and Pump Controller PCB pattern (PDF download) [05108181]
PDF with the PCB design for the Four-channel DC Fan/Pump Controller (double-sided).
Note that due to the size and the number/location of the vias, it would be impractical to etch this yourself. The file is provided as a reference only.
Both layers are in a single PDF.
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