Archiwa tagu: cheap

JLCPCB.com – The best value for money PCB Service in 2017

Napisz odpowiedź

https://jlcpcb.com/

TLDR

$2 for 10 boards
$9 for stencil
$25 for DHL

Currently probably the cheapest on the market.

3 working days between order and shipping.

Zero flaws or problems even with the lowest possible clearances.

Absolutely worth trying!

Introduction

Some time ago I was looking for a new PCB service. After quite a long and astute investigation I bumped into very interesting offer.

„JLPCB is the largest PCB prototype enterprise in China”.

After some small problems with registration, which were solved really quickly by their support team, I was finally able to place my order.

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AliExpress / EBay / China market fake DS18B20 Sensors

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Update 23.05.2016

Some sensors MAY actually work. This does not discard what i wrote before (I tested them all), but: For some reason some of the sensors gives invalid response to ‚Power supply’ command. They always respond as they are parasite-powered. Some devices (ex. mine) do check that and reported them as invalid. However I tested all ‚Invalid’ with osciloscope. Some of them gave some response, so i took the deeper test.

Introduction

If you’re planning to order cheap DS18B20 sensors from AliExpress – keep in mind that irrationally low price (less than $0.8 / pc) smells really fishy.

Manufacturer price for 1k is $1.18.

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