USB IR Toy v1.1 update
From DP
| USB IR Toy v1.1 update | |
|---|---|
| Codename | None |
| Status | Final partlist |
| Development | development forum |
| ID # | {{{id}}} |
Contents |
Development
Prototypes
Latest Schematic
Early schematic
Latest PCB
Early PCB
Partlist
Partlist
| Part | Value |
| C1-C4 | 0.1uF capacitor (0805) |
| C5,C6 | 27pF capacitor (0805) |
| D1 | Small signal diode (DO323) |
| IC1 | PIC 18F2550-i/so (SOIC28W) |
| ICSP | 0.1" pin header (1x05) |
| J1 | USB MINI-B jack (SMD) |
| Q1 | 20MHz crystal (SMD/HC49UP) |
| R1 | 10,000 ohm resistor (0805) |
| R2 | 2700 ohm resistor (0805) |
| R3 | 390 ohm resistor (0805) |
| R4 | 180 ohm resistor (0805) |
| R5 | 1000 ohm resistor (0805) |
| T1 | NPN transistor, hfe 30+, 200mA+ (0805) |
| I | indicator LED (0805) |
| RX | 5volt 38kHz IR receiver (eg: TSOP38238) |
| TX | ~940nm, 20mA IR LED (5mm) preorder 1 used SFH-480 ~880nm, 200mA IR LED |
| S1 | small tactile switch (optional) |
Frequency measurement
