hrdw-hidkey
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HID Key
A HID device for loadout system with a setup script. Made for the OPS team of School 21. This device allows to easily set up new workstations with just one keychain-like device. Before that the team used Arduino Micro with a bulky case and a usb cable. That device connects to MAC via Type-C, it is protected from electrostatic discharge, has an additional programmable button, an RGB LED and is very small in size.
The project is completed in Q3 2021.
Parameters for PCB order (JLCPCB compatible)
2 layer board
0.8mm thickness
0.3mm min hole size
BOM list
| № | Designator | Qty | Description | Manufacturer | Name | Package | Link |
|---|---|---|---|---|---|---|---|
| 1 | C1 | 1 | 10uf MLCC | 0402 | |||
| 2 | C2,C3 | 2 | 14pf MLCC | 0402 | |||
| 3 | C4,C5,C7,C9,C10 | 5 | 100nf MLCC | 0402 | |||
| 4 | C6,C8 | 2 | 1uf MLCC | 0402 | |||
| 5 | R1 | 1 | 1MΩ smd | 0402 | |||
| 6 | R2 | 1 | 5.1kΩ smd | 0402 | |||
| 7 | R3,R4 | 2 | 22Ω smd | 0402 | |||
| 8 | R5,R6,R12 | 3 | 10kΩ smd | 0402 | |||
| 9 | R7,R8,R9,R10,R11 | 5 | 1kΩ smd | 0402 | |||
| 10 | D1 | 1 | ESD protection chip | Nexperia | IP4220CZ6 | TSOP6 | |
| 11 | D2 | 1 | Yellow smd led | 0402 | |||
| 12 | D3 | 1 | Green smd led | 0402 | |||
| 13 | D4 | 1 | RGB smd led | Foshan NationStar | FM-B2020RGBA-HG | 2020 | |
| 14 | J1 | 1 | USB Type-C 24pin | XKB Connectivity | U261-241N-4BS60 | ||
| 15 | SW1, SW2 | 2 | Tactile switch | KLS Electronic | KLS7-TS5401 | ||
| 16 | U1 | 1 | 8bit microcontroller | Atmel | ATmega32u4 | QFN44 | |
| 17 | Y1 | 1 | 16mhz crystal | CREC | SMD02520C4 |
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