
Sahara
AcrylicEater/Sahara
PCB and Software for converting cheap food dehydrator to precise 3d printer filament dryer

The 15 key macropad
P15 is an open-source printed circuit board by m0rza, from the m0rza/p15_mp repository on GitHub. It is a 2-layer board of 138.1 × 95.3 mm with 99 parts on 110 nets, routed with 42 tracks and 0 vias.
It is built around the ATMEGA32U4-AU, EC111012010H and USB4105-GF-A. Its parts include 38 diodes, 32 capacitors, 6 resistors, 2 ICs and 1 connector. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
More to come :)
| Qty | Value | Footprint | References |
|---|---|---|---|
| 27 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10, C11, C12, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26 +11 |
| 21 | MX_SK6812MINI-E | marbastlib-mx:LED_MX_6028R | LED0,1, LED0,3, LED1,1, LED1,2, LED1,3, LED1,4, LED1.0, LED2,0, LED2,1, LED2,2, LED2,3, LED2,4, LED3,0, LED3,1, LED3,2, LED3,3 +5 |
| 17 | D_Small | Diode_SMD:D_SOD-123 | D0,1, D0,3, D1,0, D1,1, D1,2, D1,3, D1,4, D2,0, D2,1, D2,2, D2,3, D2,4, D3,0, D3,1, D3,3, D3,4 +1 |
| 15 | MX-NoLED | MX_Only:MXOnly-1U-Hotswap-Antishear | MX1,0, MX1,1, MX1,2, MX1,3, MX1,4, MX2,0, MX2,1, MX2,2, MX2,3, MX2,4, MX3,0, MX3,1, MX3,2, MX3,3, MX3,4 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R6 |
| 2 | 1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C13 |
| 2 | 22 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R4 |
| 2 | 22p | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C8 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R5 |
| 2 | EC111012010H | SamacSys_Parts:EC111012010H | VR0,1, VR0,3 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
| 1 | 16MHz | CX3225SB16000D0FLJZZ:OSCCC320X250X60N | Y1 |
| 1 | ATmega32U4-AU | Package_QFP:TQFP-44_10x10mm_P0.8mm | U1 |
| 1 | Polyfuse_Small | 0ZCJ0050AF2E:RESC3216X125N | F1 |
| 1 | SW_Push | PTS525SM15SMTR2LFS:SW_PTS525SM15SMTR2LFS | SW1 |
| 1 | TPD4EUSB30 | Package_SON:USON-10_2.5x1.0mm_P0.5mm | U2 |
| 1 | USB4105-GF-A | USB4105-GF-A:GCT_USB4105-GF-A | J2 |
It measures 138.1 × 95.3 mm and has 2 copper layers, 1.6 mm thick.
99 parts, built around the ATMEGA32U4-AU, EC111012010H and USB4105-GF-A. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the m0rza/p15_mp repository on GitHub, at the commit this page was made from: the board is hardware/v0/p15.kicad_pcb and its schematic hardware/v0/p15.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask m0rza before reusing the design.

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