Difference between revisions of "LEDS-SWITCHES"
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* 8 LEDs | * 8 LEDs | ||
| + | ** 3mm or 5mm | ||
| + | ** Pick ballast resistor for | ||
| + | *** Desired brightness | ||
| + | *** Match operating voltage (3.3V or 5V typical) | ||
| + | *** Vforward for particular LED | ||
| + | *** Modern LEDs are very efficient, vintage LEDs are not efficient | ||
* 8 slide switches or headers | * 8 slide switches or headers | ||
* 8 pushbutton switches | * 8 pushbutton switches | ||
| − | == Connectors | + | == Connectors == |
| − | === J2 === | + | * Vcc and Ground are independent (not connected between connectors) |
| + | ** Need to add wires if you want shared Vcc or Ground with fewer connection to the master | ||
| + | |||
| + | === J2 - Slide Switches === | ||
| + | |||
| + | * 1x12 header | ||
[[File:J2.PNG]] | [[File:J2.PNG]] | ||
| − | === J3 === | + | === J3 - Pushbuttons === |
| + | |||
| + | * 1x12 header | ||
[[File:J3.PNG]] | [[File:J3.PNG]] | ||
| − | === J4 === | + | === J4 - LEDs === |
| + | |||
| + | * 1x10 header | ||
[[File:J4.PNG]] | [[File:J4.PNG]] | ||
Latest revision as of 12:08, 20 July 2021
Contents
Features
- 8 LEDs
- 3mm or 5mm
- Pick ballast resistor for
- Desired brightness
- Match operating voltage (3.3V or 5V typical)
- Vforward for particular LED
- Modern LEDs are very efficient, vintage LEDs are not efficient
- 8 slide switches or headers
- 8 pushbutton switches
Connectors
- Vcc and Ground are independent (not connected between connectors)
- Need to add wires if you want shared Vcc or Ground with fewer connection to the master
J2 - Slide Switches
- 1x12 header
J3 - Pushbuttons
- 1x12 header
J4 - LEDs
- 1x10 header
