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AliExpress Product Review: Hits and Misses
0:00:58 JLCPCB Sponsorship: The video begins with a mention of JLCPCB, a PCB manufacturer, highlighting their 6-layer PCB service and a $30 coupon offer.
Claimed to detect copper, gold, silver, and precious stones up to 20m deep.
Includes a "material selector" unit.
Positive: Battery charging worked.
Negative: The material selector is non-functional (just blinks LEDs). The main detector circuit has a very short range and is not connected to the useless material selector. Horrible Buzzer.
Conclusion: A complete scam; does not work as advertised. Worst preduct reviewed.
0:08:33 Smart LCR Tweezers (Unspecified Price, but implies inexpensive):
Designed for identifying and measuring SMD components (Resistors, Capacitors, Inductors).
Features a bright, easy-to-read OLED display.
Can measure Inductance, Capacitance, Resistance, continuity, and diode characteristics.
Test measurements were generally accurate compared to a more expensive LCR meter, except for secondary values (e.g., ESR).
Conclusion: Good value for basic SMD component identification; recommended for hobbyists.
0:10:06 Rotary Laser Level (216€, recently increased in price):
Includes a rotary laser, receiver, and a ruler attachment.
The presenter used it to level a 21m long fence.
The manual and setup were initially confusing.
Successfully used to create level reference points for fence posts.
Results were verified using a hose water level.
Conclusion: Works well for its intended purpose, and offers a good value relative to other rotary lasers, but it's not a Bosch.