Products Reviews

Review of ZK-PP2K 8A PWM 3.3V to 30V Motor Driver | Robojax
The module is fully explained; components are viewed and explained. PWM and pulse modes are explaine...

Review of DPH3205 5A 0-32V Step-Down or Buck-Boost Converter and Charger
The module is explained. How to set voltage, current, overVoltage, OverCurrent, OverPower protecti...

Full Review of the ZK-12KX 160W 32V Buck Converter with Lithium Charger
This 12A ZK-12KX is fully reviewed. Module explained, major components shown with edatasheet, char...

Review of ELMDESK DESKA4 3500mW EleksMaker Laser Engraver
In this video, you will learn how to use this Juntek VAT4300 power energy meter. The meter is fully ...
Review of a Plasma Speaker Tesla Coil: 72W from eBay
This 72W Plasma Speaker Tesla coil is tested in mutiple ways never seen before. This is very dangr...
Review of WUZHI WZ5005 250W 5A Buck Converter Panel with Wi-Fi App
In this review, the WUZHI WZ5005 Buck Converter panel is tested. We show how to use it, how to set u...

Review of ZK-5JX 6.5–36V to 1.2–32V 5A 75W Step-Down Converter with LCD
The module is fully explained. Setting voltage and current is shown. All components and datasheets w...

Review of WZ5005E 5A 250W LCD Buck Converter with CC and 10 Preset Memories
This color LCD 250W buck converter is introduced. All features are explained, and the module is open...
Review of DC 1500W 30A Boost Converter, 10V-60V to 12V-90V Module
This so called 1500W DC Boost Converter is fully explained. Tested with all standard voltages of ...

Review of XY-SEP4 4A Buck-Boost Converter Meter Charger with Display
This video fully reviews the XY-SEP4 Buck-Boost converter module with display that shows power, ener...
Review and Calibration of YB5145B 10A DC Current Meter
In this review, we first explain the YB5145B DC 10A meter, then we look inside the meter and examine...

Review of IC Station XH-M407 8A DC Buck Converter: 1.25V–36V
The module is explained with all components, then tested with different input and output voltages.