I built my first experimental cheap power supply for the 1800 Watt induction heater and it was a great success! I have put together 12 old Lenovo 20V laptop chargers put together for to make a power supply that can output 40VDC at 51A. Two 20VDC power supplies is put in series for the 40VDC […]
2000 Watt Laptop Charger for Induction Heating Read More »
I finally got around to get the IH out of the box and repair it, here is part 1 of a series of videos on this IH. Watch part 2 and the following parts here. This is a 1800 Watt Induction heater that I bought from ebay at 40 Euro, I avoided the cheapest seller
Unboxing a Chinese 1800 Watt Induction Heater Read More »
3 well-known classic songs are played with lightning on my medium sized Tesla coil, if you want to play these songs yourself you can find all MIDI files played on the Tesla coil can be found in this forum thread All information, schematics and pictures of my Tesla coil named DRSSTC1 can be found here.
3x MIDI videos from DRSSTC1 demonstration Read More »
The 60N60 IGBT full-bridge exploded during a small test of playing MIDI on the DRSSTC. I upgraded it to a SKM200GB123 bricks. DRSSTC IGBT explosions are no joke, 12 days before a show. Can you guess the song that was played? DRSSTC IGBT explosion is properly a bit much to say. It was a silent
Tesla coil DRSSTC IGBT explosion. 12 days before a show, panic! Read More »
It only took me a mere 4 years from I first started this article about the MMC until it is now done for public released 🙂 Not that it took me 4 full years to write on it, but it has been a on/off gathering of information and then finally making a write-up on it. I
DRSSTC Design Guide Updated With MMC Design Guide Read More »
A walk-through and demonstration of all my video gear and audio equipment that I use for YouTube videos. First, I use a Canon 5D mk III DSLR for high resolution photo and FHD video recording. Secondly, I use a Sony Xperia ZX Premium smartphone for recording close-up video and time lapses. Thirdly, I use a
Video gear & workflow: Canon 5D mk3, RødeLink, FPS1000HD and more Read More »
This is a introduction to the differences between AC and DC fuses. I also use a high voltage / current discharge capacitor for a destructive test of the two difference fuses. You should also check out how ingenious high voltage fuses are made in this article Teardown of a medium voltage fuse (7200 V /
AC vs DC fuses, High Current, Explosive Destructive Testing and Theory Read More »
The RRU3928 is an outdoor remote radio unit. It processes baseband and RF signal data. With the Software Defined Radio (SDR)technology, the RRU3928 supports the dual-mode operation of any two modes of GSM, UMTS, and LTE through software configuration modification. RRU3928 has a dual-transmitter and dual-receiver structure, which supports higher output power and carrier capacity.
Huawei RRU3928 1800MHz Radio Base Station Circuit Analysis (part 2 of 2) Read More »