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Customers' Reviews

Adm***

From KOREA, REPUBLIC OF (SOUTH K.) KOREA, REPUBLIC...

The quality of the PCBs is excellent and the delivery time has been much less than other manufacturer. I have used these PCBs in an ISP programmer Shield for the ‘Arduino UNO’. This programmer is compatible with the microcontrollers: ATmega 48/88/168 / 328P with 28 pins, and ATtiny 25/45/85 with 8 pins.ISP programmer for ATmega / ATtiny,By making a small modification on the ATmega ISP programmer, we can make it compatible with ATtiny 8-pin micro-controllers.If we observe the distribution of the pins of the ATtiny microcontrollers, we can verify that if we inserted them in the socket of the ATmega programmer (28 pins), positioning the pin 1 of the ATtiny in pin 9 of the ISP programmer, we would hardly have to perform 2 changes in the circuit to be able to program them.1. Pin 12 of the ISP programmer could be connected directly to the GND line, necessary to feed the ATtiny when we are programming it ... and the connection of pin 12 to GND of the ATmega doesn’t affect its programming.2. In pin 9 of the ISP programmer we will have to put a small switch, by means of the position of a bridge, to connect the quartz crystal when we have to program an ATmega. When we have to program an ATtiny, pin 9 of the socket will have to be joined with pin 1 (changing the position of the bridge) ... since pin 9 of the socket corresponds to pin 1 of ATtiny = Reset (see the diagram).

Reviews Time: July 3, 2020
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Adm***

From GRENADA GRENADA

Excellent quality. thanks a lot.

Reviews Time: July 2, 2020
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Adm***

From GUINEA-BISSAU GUINEA-BISSAU

This is a replacement board for an old machine controller that are not available any more cnsmt delivered on time and at a good price 5 high quality boards, I am completely happy with the product and the service.

Reviews Time: July 2, 2020
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Adm***

From SOLOMON ISLANDS SOLOMON ISLANDS

This project is a 7 segment big display, 12V power supply.This is a SPI device, so it is possible connect many and many of this device in daisy chain configuration.

Reviews Time: July 2, 2020
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Adm***

From MACEDONIA, REPUBLIC OF MACEDONIA, REPU...

This is my second version of the WiFi interface for the Acorn Electron. I made a terrible mistake with a footprint on the first one. This time I decided to have cnsmt to do the assembly of SMD parts and I really don't regret that decision. The boards are of great quality and worked immediately. The price of the parts are fine and with the offer of free shipping for assembly orders it saved me a lot of time. Thank you Angell and your team for making another set of high quality boards! BTW ... this is a four layer board.

Reviews Time: July 2, 2020
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Adm***

From LIBYA LIBYA

Good product! I recommend it to you! I ordered printed circuit boards of good quality from the factory on the website. I ordered 10 cards, so I received 11. For these 11 circuit boards, the pattern of the circuit board is very clear, and the workmanship is exquisite. I am very satisfied.

Reviews Time: July 2, 2020
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Adm***

From HONDURAS HONDURAS

The logo mark and other constant silk were printed nicely.There were no particular manufacturing problems.The manufacturing speed was really good.

Reviews Time: July 1, 2020
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Adm***

From COTE D IVOIRE COTE D IVOIRE

The service is very professional. The delivery is very fast (only three days) The red colour in PCBs is very beatiful. This is my third order. I haven't have any problems in this three orders. I think, cnsmt is the best PCB manufacturer on the earth. I will designing a new PCB. I have only a choice in PCBs: cnsmt!

Reviews Time: July 1, 2020
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Adm***

From NEW CALEDONIA NEW CALEDONIA

We just received the order today! Excellent products and delivery time, price concessions. I recommend this service to you! thank you.

Reviews Time: July 1, 2020
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Adm***

From HUNGARY HUNGARY

Carrier, isolated power supply and over-voltage protection board for 200VDC voltage display. The board is precisely manufactured, fits perfectly, Great silkscreen quality, no after-etching copper residue. Excellent manufacturing time and before-time delivery. Will surely come back for more!

Reviews Time: July 1, 2020
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Adm***

From AUSTRIA AUSTRIA

Short version: fine!Longer version: Easy-to-use online form.You may have to have a little practice, but I'm sure you will receive quick help whenever questions occur.Please remember that your timezone can be different: germany and china differ about half a day...Fabrication quality: perfect.Monitoring: can't describe, because it was'n neccessary.Fabrication time: one day, as presumed.Shipping speed: HK post takes a long time, especially at the time being.I was'nt in a hurry, but chose Fedex.Shipping around the globe within a few days. I am highly satisfied!(attached photo ist authentic, but anonymised)Kind regards,Oliver

Reviews Time: July 1, 2020
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Adm***

From MARTINIQUE MARTINIQUE

This is the control circuit of an incubator. We did this with my students.

Reviews Time: July 1, 2020
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Adm***

From GUAM GUAM

Boards look great, high quality, awesome value! No issues. I will definitely be ordering more. It was also very easy to order through the cnsmt website.

Reviews Time: June 30, 2020
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Adm***

From ST. MAARTEN ST. MAARTEN

Really nice finish on the board exactly as designed and working properly.Gerber viewer did not show bottom layers correctly but design came out perfect so assume its a software issue on the gerber viewer or browser compatibilaty.

Reviews Time: June 30, 2020
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Adm***

From BHUTAN BHUTAN

Good printed circuit board, good effect, low price and fast delivery.

Reviews Time: June 30, 2020
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