*NOTE: This is not a final design yet*
I along with a team started this project in the fall of 2014 and it is almost complete. The goal is to melt aluminum and steel for researching metal alloys. I don’t even know where to begin on this project because there are so many parts and systems. I guess I will start with a block diagram. This design is based off an instructable by Bayley Wang.
Continue reading “Open-Source Induction Furnace Design Log 1”
This second version of the led driver will improve the design of version 1.
- The connectors feature a quick disconnect capability
- A 5A mini-blade fuse on the +48V side has been added for extra safety
- The BOM cost has been reduced
- Current selection will now just require a jumper change, way better than soldering/de-soldering resistors
- This version will feature an isolated PWM input to avoid any ground issues from the controller to the 48v supply
- The current selection ranges will now be 3.0A,3.5A, and variable from 0A – 3.5A using a potentiometer
- The controller was changed from the TI LM3409HV to HV9910CSG from Microchip
- The PCB design program was switched from Eagle to KiCad. Continue reading “100W LED Driver V2 Design Log 1”
LP2844 Label Printer Overview
The Zebra LP2844 thermal label printer is a good addition to any electronics lab. It is really easy to print labels for component drawers and projects. It is a 4″ model that can print shipping labels too, great for Ebay. The 203DPI print head is adequate to print labels, although there is some blockiness to them.
Continue reading “Zebra LP2844 Label Printer Teardown”
The LED driver is made specifically for driving 100W LEDs. I couldn’t find another driver that fit my needs online. I needed something for an affordable price that was dependable. I would need to buy about 8 units.
Continue reading “100W LED Driver V1”