Shego75HE
Charading
My endgame 75% hall effect keyboard
Components (39)
| Reference | Value | Description |
|---|---|---|
| Q1,Q3 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23 |
| Q2,Q4 | BSS138 | 50V Vds, 0.22A Id, N-Channel MOSFET, SOT-23 |
| U1 | AP2112K-3.3 | 600mA low dropout linear regulator, with enable pin, 3.8V-6V input voltage range, 3.3V fixed positive output, SOT-23-5 |
| U2 | SN74LV1T125DBV | Single Power Supply, Single Buffer Gate with 3-State Output, CMOS Logic Level Shifter Level Shifter, SOT-23-5 |
| U3 | W25Q128JVS | 128Mbit / 16MiB Serial Flash Memory, Standard/Dual/Quad SPI, 2.7-3.6V, SOIC-8 |
| U4 | RP2040 | A microcontroller by Raspberry Pi |
| U5 | TinyPICO_Nano | |
| AMB1-AMB10,GLO1-GLO3,LED1-LED81 | SK6812 | Reverse mount adressable LED (WS2812 protocol) |
| C1,C11 | 1u | Unpolarized capacitor, small symbol |
| C2-C10,C16,C17,CL1-CL81 | 0.1u | Unpolarized capacitor, small symbol |
| C12 | 4.7uF | Unpolarized capacitor, small symbol |
| C13,C14,C18,C19 | 10uF | Unpolarized capacitor, small symbol |
| C15,CA1-CA10,CG1-CG3,MC1-MC3 | 0.1uF | Unpolarized capacitor, small symbol |
| C20-C22,VC1 | 47uF | Polarized capacitor, small symbol,Unpolarized capacitor, small symbol |
| C23,C24 | 30p | Unpolarized capacitor, small symbol |
| C25-C27,R4 | DNP | Resistor, small symbol,Unpolarized capacitor, small symbol |
| D1 | RED | SMD LED, 0603, Alternate KiCad Library |
| ESP_BOOT1 | ESP_BOOT | Push button switch, generic, two pins |
| F1 | 1.1A | Resettable fuse, polymeric positive temperature coefficient, small symbol |
| FB1,FB2 | 600R | Ferrite bead, small symbol |
| HE1-HE81 | 49E | Hall effect switch, bipolar, -+1000Gs, 4.7mV/Gs, -40C to +150C, SOT-23 |
| MUX1-MUX3 | ADG732BSUZ | Analog Multiplexer Single 32: 1 48-Pin TQFP Tray |
| R1,R2 | 27 | Resistor, small symbol |
| R3 | 1k | Resistor, small symbol |
| R5,R6,R12,R14 | 100K | Resistor, small symbol |
| R7,R15 | 1M | Resistor, small symbol |
| R8-R11 | 100 | Resistor, small symbol |
| R13 | 10k | Resistor, small symbol |
| R16 | 2K | Resistor, small symbol |
| R17-R19 | 12K | Resistor, small symbol |
| R20,R21 | 47 | Resistor, small symbol |
| R22,R23 | 0 | Resistor, small symbol |
| R24 | 330 | Resistor |
| RES1 | RESET | Push button switch, generic, two pins |
| SD1 | MSD-1-A | Micro SD Card Connector, 9 Positions, Connector and Ejector, Push In, Auto Eject Out, Surface Mount, 1.8 mm Height Above Board, Gold Flash |
| TP1 | MENU_UP | test point |
| TP2 | MENU_DOWN | test point |
| TP3 | MENU_SELECT | test point |
| Y1 | 12MHz | Four pin crystal, GND on pins 2 and 4 |