Instructables

Led dimmer 2 channels

Picture of Led dimmer 2 channels
24062010913.jpg
This is Attiny13   2 channels dimmer with 5 program modes and speed control:
1. Dim between 2 channels 
2. Dim 2 channels together
3. Blink mode 1
4. Blink mode 2
5.Blink mode 3


 
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Step 1: Hardware

Picture of Hardware
Dimmer is based ot Attiny13V:
- 1k flash
- 64byte sram
- 64byte eeprom
- 5 IO pins

Parts:
1. Attiny13V - 1 pc
2. 78L05    - 1pc.
3. Capacitor 100uF - 1 pc
4. Capacitor 10uF   - 1 pc
5. Capacitor 100nF  - 2 pc
6. Resistor 10K   - 2 pc
7. Resistor 200R  - 1pc
8. Red Led 5mm - 1pc
9. Resistor 4K7 - 2 pc
10. BD681S - 2 pc
11. Button - 1 pc
12. Potentiometer 10K - 1pc
... Some little box, small piece of proto PCB and wires

Step 2: Software

Total program is 1000 bytes. The MCU is almost full :))