Difference between revisions of "LED-32"
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* For 5V operation and not too bright LED (comfortable value for front panels) we use 560 ohms. | * For 5V operation and not too bright LED (comfortable value for front panels) we use 560 ohms. | ||
* With 3V across 560 ohms that's only 5 mA (for 560 ohm resistor). For something with a lot of LEDs if they are too bright it can get annoying. | * With 3V across 560 ohms that's only 5 mA (for 560 ohm resistor). For something with a lot of LEDs if they are too bright it can get annoying. | ||
| + | |||
| + | == Test Procedure == | ||
| + | |||
| + | === Setup === | ||
| + | |||
| + | * [[PiPicoMite02 Based Test Station]] | ||
| + | ** [[PiPicoMite02]] Processor card | ||
| + | * LED-32 - Unit Under Test (UUT) | ||
| + | * [[DB37RIBBON]] plugged into UUT | ||
| + | * (2) of 2x10 cables to connect between [[DB37RIBBON]] and UUT | ||
| + | ** DB37-1 marked on cable end goes near P1 marked on [[DB37RIBBON]] | ||
| + | * LED32-1 marked on cable end goes near HDR1 marked on UUT | ||
| + | |||
| + | === Card Test Procedure === | ||
| + | |||
| + | * Power up Test Station/UUT | ||
| + | * Type | ||
| + | |||
| + | <pre> | ||
| + | chdir "/lbcards/GPIO32" | ||
| + | load " GPIO32-01.bas" | ||
| + | run | ||
| + | |||
| + | </pre> | ||
| + | |||
| + | * Should see the LEDs go around the UUT card | ||
| + | * Hit any key to stop (after finishing rotation) | ||
== Pinout == | == Pinout == | ||
{| class="wikitable" | {| class="wikitable" | ||
| − | ! | + | ! HDR1 pin |
| − | ! | + | ! LED |
! | ! | ||
| − | ! | + | ! HDR1 pin |
| − | ! | + | ! LED |
|- | |- | ||
| 1 | | 1 | ||
| Line 43: | Line 70: | ||
|- | |- | ||
| 5 | | 5 | ||
| − | | | + | | D0 |
| | | | ||
| 6 | | 6 | ||
| − | | | + | | D16 |
|- | |- | ||
| 7 | | 7 | ||
| − | | | + | | D1 |
| | | | ||
| 8 | | 8 | ||
| − | | | + | | D17 |
|- | |- | ||
| 9 | | 9 | ||
| − | | | + | | D2 |
| | | | ||
| 10 | | 10 | ||
| − | | | + | | D18 |
|- | |- | ||
| 11 | | 11 | ||
| − | | | + | | D3 |
| | | | ||
| 12 | | 12 | ||
| − | | | + | | D19 |
|- | |- | ||
| 13 | | 13 | ||
| − | | | + | | D4 |
| | | | ||
| 14 | | 14 | ||
| − | | | + | | D20 |
|- | |- | ||
| 15 | | 15 | ||
| − | | | + | | D5 |
| | | | ||
| 16 | | 16 | ||
| − | | | + | | D21 |
|- | |- | ||
| 17 | | 17 | ||
| − | | | + | | D6 |
| | | | ||
| 18 | | 18 | ||
| − | | | + | | D22 |
|- | |- | ||
| 19 | | 19 | ||
| − | | | + | | D7 |
| | | | ||
| 20 | | 20 | ||
| − | | | + | | D23 |
|- | |- | ||
| 21 | | 21 | ||
| − | | | + | | D8 |
| | | | ||
| 22 | | 22 | ||
| − | | | + | | D24 |
|- | |- | ||
| 23 | | 23 | ||
| − | | | + | | D9 |
| | | | ||
| 24 | | 24 | ||
| − | | | + | | D25 |
|- | |- | ||
| 25 | | 25 | ||
| − | | | + | | D10 |
| | | | ||
| 26 | | 26 | ||
| − | | | + | | D26 |
|- | |- | ||
| 27 | | 27 | ||
| − | | | + | | D11 |
| | | | ||
| 28 | | 28 | ||
| − | | | + | | D27 |
|- | |- | ||
| 29 | | 29 | ||
| − | | | + | | D12 |
| | | | ||
| 30 | | 30 | ||
| − | | | + | | D28 |
|- | |- | ||
| 31 | | 31 | ||
| − | | | + | | D13 |
| | | | ||
| 32 | | 32 | ||
| − | | | + | | D29 |
|- | |- | ||
| 33 | | 33 | ||
| − | | | + | | D14 |
| | | | ||
| 34 | | 34 | ||
| − | | | + | | D30 |
|- | |- | ||
| 35 | | 35 | ||
| − | | | + | | D15 |
| | | | ||
| 36 | | 36 | ||
| − | | | + | | D31 |
|- | |- | ||
| 37 | | 37 | ||
Latest revision as of 18:58, 12 March 2023
Contents
Features
- 32 LEDs
- 95mm wide (ODAS width) - 55mm depth matches other ODAS cards ODAS-PSOC5 (Rev X3 or higher), DIGIO32-I2C, etc
- 6-32 mounting holes
- 0.1" pitch connector, 2x20 pins, Connector could be mounted to the front or rear of the card
- (8) Ground pins (common ground)
- 3mm LEDs
Series resistor - let us know what value you want
- Series Resistor Values
- Pick a series resistor value assuming the LED forward voltage is about 2V.
- Operating with 3.3V will require a smaller resistance than operating at 5V for the same current.
- Standard series resistor values we carry are: 120, 150, 200, 220, 240, 270, 330, 470, 560, and 1K.
- For 5V operation and not too bright LED (comfortable value for front panels) we use 560 ohms.
- With 3V across 560 ohms that's only 5 mA (for 560 ohm resistor). For something with a lot of LEDs if they are too bright it can get annoying.
Test Procedure
Setup
- PiPicoMite02 Based Test Station
- PiPicoMite02 Processor card
- LED-32 - Unit Under Test (UUT)
- DB37RIBBON plugged into UUT
- (2) of 2x10 cables to connect between DB37RIBBON and UUT
- DB37-1 marked on cable end goes near P1 marked on DB37RIBBON
- LED32-1 marked on cable end goes near HDR1 marked on UUT
Card Test Procedure
- Power up Test Station/UUT
- Type
chdir "/lbcards/GPIO32" load " GPIO32-01.bas" run
- Should see the LEDs go around the UUT card
- Hit any key to stop (after finishing rotation)
Pinout
| HDR1 pin | LED | HDR1 pin | LED | |
|---|---|---|---|---|
| 1 | GND | 2 | GND | |
| 3 | GND | 4 | GND | |
| 5 | D0 | 6 | D16 | |
| 7 | D1 | 8 | D17 | |
| 9 | D2 | 10 | D18 | |
| 11 | D3 | 12 | D19 | |
| 13 | D4 | 14 | D20 | |
| 15 | D5 | 16 | D21 | |
| 17 | D6 | 18 | D22 | |
| 19 | D7 | 20 | D23 | |
| 21 | D8 | 22 | D24 | |
| 23 | D9 | 24 | D25 | |
| 25 | D10 | 26 | D26 | |
| 27 | D11 | 28 | D27 | |
| 29 | D12 | 30 | D28 | |
| 31 | D13 | 32 | D29 | |
| 33 | D14 | 34 | D30 | |
| 35 | D15 | 36 | D31 | |
| 37 | GND | 38 | GND | |
| 39 | GND | 40 | GND |
