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
| Part | Value |
| C1 | 0.1uF capacitor (0805) |
| C2, C4, C7 | [0.22uF capacitor] (0805) |
| C5,C6 | 27pF capacitor (0805) |
| C8 | [1.0uF capacitor] (0805) |
| D1 | Small signal diode (DO323) |
| IC1 | PIC 18F2550-i/so (SOIC28W) |
| J1 | [USB MINI-B jack] (SMD) |
| Q1 | 20MHz crystal (SMD/HC49UP) |
| R1, R6 | 10,000 ohm resistor (0805) |
| R2 | 2700 ohm resistor (0805) |
| R3 | 390 ohm resistor (0805) |
| R4 | [XXX ohm resistor] (0805) TX current limiter |
| R5 | 1000 ohm resistor (0805) |
| T1 | [NPN transistor, hfe 40+, 1A+] (SOT23) |
| I | indicator LED (0805) |
| RX | 5volt 38kHz IR receiver (eg: TSOP38238) |
| RX2 | [QSE159 IR photosensor] |
| TX | [Wide angle ~940nm IR LED] (5mm) |
| Pin headers | 0.1" pin header (optional) |
| S1 | small tactile switch (optional) |
Frequency measurement
