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nzge
An investigation into the customization potential of input devices and their core functionality.
| Reference | Value | Description |
|---|---|---|
| Q1 | Q_PMOS_DSG | P-MOSFET transistor, drain/source/gate |
| U1 | USB6B1 | 5V Data line protection |
| U2 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U3 | nRF52840 | Multiprotocol BLE/ANT/2.4 GHz/802.15.4 Cortex-M4F SoC, AQFN-73 |
| U4 | MCP73831-2-OT | Single cell, Li-Ion/Li-Po charge management controller, 4.20V, Tri-State Status Output, in SOT23-5 package |
| U5 | XC6206PxxxMR | Positive 60-250mA Low Dropout Regulator, Fixed Output, SOT-23 |
| ANT2 | 2450AT43B100E | |
| C1 | 1 µF | Unpolarized capacitor |
| C2-C4 |
| 100 nF |
| Unpolarized capacitor |
| C5,C11 | 4.7 µF | Unpolarized capacitor |
|---|
| C6,C7 | 4.7 uF | Unpolarized capacitor |
|---|
| C8 | 1.2 pF | Unpolarized capacitor |
|---|
| C9,C10 | 1 uF | Unpolarized capacitor |
|---|
| C19,C20 | 12 pF | Unpolarized capacitor |
|---|
| D1-D55 | Diode | 1N4148 (DO-35) or 1N4148W (SOD-123) |
|---|
| D60 | LED | Light emitting diode |
|---|
| D64 | D_Schottky_Generic | Schottky diode, Generic Symbol, Alternate KiCAD Library |
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| F1 | 500 mA | Fuse, small symbol |
|---|
| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
|---|
| J2 | Conn_01x02_Socket | Generic connector, single row, 01x02, script generated |
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| L1 | 1.8 nH | Inductor |
|---|
| R1,R2 | 5.1k | Resistor |
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| R3 | 470Ω | Resistor |
|---|
| R4 | 2k | Resistor |
|---|
| R5,R8 | 10k | Resistor |
|---|
| S1-S55 | Keyswitch | Push button switch, normally open, two pins, 45° tilted |
|---|
| SW1 | Switch | Push button switch, generic, two pins |
|---|
| Y2 | Crystal_GND3 | Three pin crystal, GND on pin 3 |
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