A500Mini-Internal-Functional-Keyboard
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This is the Ongoing project of the A500Mini internal functional keyboard based in 32U4 processor (Arduino leonardo, for example).
Components (33)
| Reference | Value | Description |
|---|---|---|
| U1 | ATmega32U4RC-A | |
| U2 | FE1.1s | |
| U3 | GL823 | |
| C1,C2,C4,C6,C10,C16,C18,C21 | 22uF | Polarized capacitor |
| C3,C5,C11,C20 | 0.1uF | |
| C7 | 0.22uF | |
| C8 | 1uF | Polarized capacitor |
| C9,C12,C13,C19 | 100nF | |
| C14,C15 | 22pF | |
| C17,C22 | 4.7uF | Polarized capacitor |
| D1 | 1N4148 | |
| D2 | CL | |
| D3 | LED | Light emitting diode |
| F1,F4 | Fuse_Small | |
| J1 | Conn_01x09_Male | |
| J3 | USB_A | |
| J4 | ISCP | |
| J5 | From_KB | |
| J6 | KB_To_Hub | |
| J7 | USB_B_Micro | |
| J9 | SD_Card | SD Card Reader |
| L1,L2 | L_Ferrite_Small | |
| R1 | 1K | |
| R2 | 0 | |
| R3,R6 | 10K | |
| R4,R5 | 22 | |
| R7 | 2K7 | |
| R8 | 680 | |
| R9 | 100 | |
| S1-S96 | 430156070736 | Pink Tactile Tactile Switch, NO 50 mA 3.6mm Through Hole |
| SW1 | F12 | |
| Y1 | 16MHz | |
| Y2 | 12MHz |