Ming he mpt-7210a mppt solar charge controller #2
First look at Ming He's MPPT solar charge controller. Unit kindly supplied by Banggood.com - http://bit.lc/4Z94
Ming he mpt-7210a mppt solar charge controller #1
First look at Ming He's MPPT solar charge controller. Unit kindly supplied by Banggood.com - http://bit.lc/4Z94
Fpv 5.8ghz transmitter range tests unedited
How do dipoles compare with circularly polarised antennae.
Stupid knight rider led strips strobe warning
20 different and stupid patterns spoil these "Knight Rider" LED strips. But the multilayer flexible PCB is interesting. 2PCS Red…
Car music rhythm lamp on lurid pink leather
Electroluminescent VU meter for your car's rear window. Car Sticker Music Rhythm LED Flash Lamp Light Sound Activated Equalizer 45*11cm…
Royer oscillator inverter with output capacitive dropper
Adding a capacitive dropper to the output of the DC to AC inverter.
Playing with: 12v dc to 220v ac inverter royer oscillator
Seeing what comes out of a DC to AC inverter. DC-AC Inverter 12V to 220V 35W Boost Step UP Power…
Julian’s postbag: #67 – inverter, crap meter sealer, schottky diodes
Electronics stuff bought on eBay - some good, some bad. Become a Patreon patron and support Julian's Postbag videos on…
Reverse engineered: 50p electronic 555 doorbell kit with schematic
Understanding the electronic doorbell circuit.