Vermes
Advanced Member level 4
This driver has 6 transistor keys for 200V voltage, current up to 6A and two 230V sockets controlled by a relay with current carrying capacity up to 10A. The aim of this device is to control the level of light that behave in similar to natural way (sun).
Settings:
- start time for the brightening mode („sunrise”)
- initial value of the light level (in %)
- time between the further incrementations/decrementations (in min)
- incrementation/decrementation step (in %)
- residual value of the light level (in %)
- start time for the dimming mode („sunset”)
The driver allows you to manually control the level of brightness after entering MENU or directly by pressing +/- buttons.
At the moment of reaching the zero level of lighting, relays are disconnected, what turns off the DC power supply which originally supplied the lamps. They are turned on on the next day while brightening. In short, they are off for any level of brightness greater than 0%.
This driver was made to be plugged between existing DC power supply and the receiver (1W LEDs connected in series 40 pieces each), but as well it can be processed to a phase regulator of AC with triac as the executive element.
Pictures:
Program written in Bascom takes almost entire available memory of Atmega8. It is better to program it in C.
Link to original thread (useful attachment) – Programowalny sterownik oświetlenia DC