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Canon EOS 450D DC Power Supply NOTE: PLEASE BE CAREFUL WHEN PERFORMING THIS MOD, IF YOU APPLY TO MUCH VOLTAGE TO YOUR CAMERA YOU WILL BREAK IT! This mod was inspired by MattGoo on thr Stargazers Lounge topic DIY Canon DSLR DC PSU Parts Required LP-E5 Battery pack Velleman K1823 1A PSU Maplin KC92A Plastic Enclosure 75x51x25 Maplin KU50E Heatsink Thermal Compound 12v Cigarette Lighter Plug Maplin N32FB Round 12V Rocker Switch Illuminated Red Wire Red/Black (Input) Wire Black/Black & White (Output) Build Process 1. Before assembling the Velleman power supply kit enlarge the SK1 (I had to do this as the Red/Black cable I was using was a larger diameter than the pre-drilled holes). 2. Because I'm using a small enclosure I need to lay the big capacitor over, to do this I slid some cable sleeve over the connections. 3. Complete the build of the power supply kit with the omission of the sockets as I will solder the wires directly to the board. 4. Apply some thermal compound to the heatsink and push the heatsink on the voltage regulator. 5. Drill 2 holes for the cables to enter the enclosure and a 20mm hole for the power switch in the lid. 6. Insert the power switch into the lid. 7. Solder one end of the Red/Black cable into the 12v Plug. 8. Insert the wires into the enclosure. 9. Solder the black side of the Red/Black cable into one side of SK1 and then solder a short piece of red cable to the other side of SK1. 10. Solder the Red side of the Red/Black cable and the short red cable (from SK1) to the switch. Then solder the Black/Black White cable to SK2 (Output) 11. Place the PCB in the enclosure and ensure the lid closes (Don't screw shut the lid yet!). 12. Connect the EOS DC Supply to a 12v source and turn it on, then connect a multimeter to the output cables (check the polarity) and then adjust the 'Volt Adj' to get an output as close to 7.4v as possible. 12. Open the battery case, this can be a little tricky but try not to break the case. 13. Remove the PDB and battery from the case. 14. Solder the positive and negative output wires to the back of the PCB ensuring they are the correct polarity for the PCB. 15. Reassemble the battery case, excluding the battery and test in your camera. 16. The finished power supply. END OF PROCESS Leave a comment Your Name: Your Comment:	Blogs 2014   November   October   September   August   July   June   May   April   March   February   January   Intro Reviews SkyWatcher 200P SkyWatcher EQ5 How-to's Laser Collimate PCB Etching Projects/Mods 12v Laptop Power EOS DC Power Hartmann Mask Scope Cooler Solar Filter SPC900NC Cooling USB Focus Controller Xbox WebCam Recomended Adverts

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