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akyadavin 06/10/2023

I purchased the FRINSI DSO-TC3 (advanced). The delivery was fast within 10 days. At first glance, the product looks very nice and has good build quality. PROS: 1. The product is compact and functional and meets the basic beginner/hobbyist requirement at a low cost. 2. The DSO function is good with reasonably OK horizontal and vertical scales, triggers are good. 3. The component tester is a good utility. It tests all the basic components. The procedure is also simple. 4. Build quality and looks are impressive. 5. The 10x DSO probe with adopter for CNX is available in the "Advanced" option, which I purchased. The 10x probe is very good and all should purchase this, available at a very reasonable extra price. CONS: 1. The connectors provided are CNX type for DSO, Voltmeter and Function generator. This is non-standard but perhaps done to make it compact. FNIRSI could overcome this by supplying 2 extra "ordinary" probes having CNX connectors. 2. The accuracy of voltage measurement is not good. Even an ordinary 3$ multimeter will do a better job than this. Hence I am ignoring this capability of the equipment. 3. The function generator is a very good facility and is really required by any electronics person to inject the signal in a circuit and see the waveforms at various stages. However, in this equipment, the function generator and the DSO do not function simultaneously. Even though there are separate connectors for DSO and function generator, only one is functional at a time. This is a big drawback according to me. The company may see if they can activate both functionalities simultaneously. Otherwise, you may have to purchase two pieces of equipment which defeats the purpose of 3-in-one. Conclusion: Overall a very good buy at a low cost despite the CONS mentioned above. Giving 5 Stars. I am sure FNIRSI can resolve the CONS- maybe as an S/W update.

FNIRSI DSO-TC3 Digitale oscilloscoop Transistor Tester Functie Signaalgenerator 3 in 1 Multifunctioneel elektronisch component tester

US$39.99 US$69.99

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akyadavin 01/02/2019

The screwdriver set is good for its build quality and functionality. The three separate screwdrivers have a poor plastic grip and are not even straight. other tools of plastic are also not very high quality but are acceptable. overall the product is acceptable as it is cheap in price.

33 in 1 Mobiele Telefoon Reparatie Tools Torx Portemonnee Schroevendraaier Reparatie Tool Set voor iPhone Mobiele Telefoon

US$10.99 US$13.99

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akyadavin 05/04/2019

The DG-Hosa smart security system is a very nice product. It was elegantly packed and was received in good condition-though the delivery time was much more than expected. Tested all the sensors and the main unit. All are working reliably. I plan to purchase more sensors to upgrade the system. Overall I am fully satisfied.

DIGOO DG-HOSA433 MHz 2G & GSM & WIFI Smart Home Security Alarmsysteem Beschermende Shell-waarschuwing met APP

US$59.99 US$90.88

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akyadavin 06/06/2019

I purchased this spare PIR sensor to augment my security system. The PIR sensor is a good one. The sensitivity is adequate to detect intrusions. The Installation is simple and connects easily to the Digoo-Hosa Security system. Overall an Excellent product.

DIGOO DG-HOSA 433MHz PIR Draadloze Bewegingsdetectie Menselijk Lichaam Sensor Compatibel met HOSA MAHA 2G 3G Alarmsysteem

US$32.99 US$33.99

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akyadavin 06/06/2019

I purchased this spare remote controller for my Digoo-Hosa security system. Excellent product.

DIGOO DG-HOSA Draadloze afstandsbediening voor Smart Home Security Alarmsysteemkits

US$10.99 US$11.99

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