Hardware resources - markniu/PandaPi GitHub Wiki
Hardware
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Support mixed use of 3V-24V fans
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optocoupler for bed proximity sensor
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Low temperature mosfet at high current heating.
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autorecovery fuses and isolation components for over-current and reverse polarity protection for board,drivers,raspberry pi.
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no wiring for TMC driver sensorless homing and uart mode.
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Hardware resources v1.0
| RaspberryPi | Pi 4B/3B/3B+ | . |
|---|---|---|
| Extruders | 2 | |
| Controlled Fans | 3 | FAN0:hotend cooler,it will be opened if the temperature is higher than 60°C.FAN1:model cooler, controlled by the gcode file or gcode command, M106: Set Fan Speed "M106 S255", M107: Fan Off.FAN2:board cooler,If the driver is working, it will be opened. |
| Heaters | 3 | |
| Endstops | 3 | |
| Temp sens | 3 | 100K NTC (thermal resistance) |
| SWD | 1 | STlinkV2 |
| Serial port chip | CH340G | |
| stepper driver | 6*(TMC2209/TMC2208/A4988) | Modular, replaceable,uart for TMC2209 sensorless endstop |
| Input | 9~28V 20A max | power both the board and the Raspberry Pi |
| heater Output | 15Amax | |
| MCU | stm32 | |
| LCD | Graphic12864/CrealityLCD12864/HDMI | |
| on board FAN | Support mixed use of 3V-24V fans | |
| Spacer screw | Nylon spacer screw | |
| filament detect pin | reuse the SWD pin | |
| Bed leveling | BLtouch | support wild range voltage 5V~36V Inductive sensor NPN, since it have optocoupler. |
| Protection | 4 autorecovery fuses and isolation components | on board for over-current and reverse polarity protection for board,drivers,raspberry pi. |