pinewood_timer
julia-laine-11
Timer system for a pinewood derby track.
Components (11)
| Reference | Value | Description |
|---|---|---|
| U1,U2 | TDCR1050M | |
| U5 | TLC59210IN | |
| U7 | 74HC138 | 3-to-8 line decoder/multiplexer inverting, DIP-16/SOIC-16/SSOP-16 |
| D1 | LED | Light emitting diode |
| J1 | Conn_01x13_Socket | Generic connector, single row, 01x13, script generated |
| M1-M8 | N-MOSFET | General Purpose PNP Transistors |
| R1-R8 | 150Ω | Resistor, small US symbol |
| R9 | xΩ | Resistor, small US symbol |
| R17-R24 | 47Ω | Resistor, small US symbol |
| TP2,TP3 | TP:3V3 | test point (alternative shape) |
| TP4-TP6 | TP:GND | test point (alternative shape) |