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    2019-11-10 12:13:34

    Cheaper geiger counter This is a good geiger counter at cheaper price, perfect to connect with a ESP or arduino module to make a portable radioactivity meter. The board show the particle detected via a buzzer a red led and via TTL pulse output. The module can be connected to battery pack (primary or NI-Mh cell) or directly powered from an Arduino or ESP module via 5V pin. Useful to continuos meter the enviromental radioactivity. A good Geiger counter +++

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    2019-11-09 17:22:54

    Go unlucky and received a unit from a lower quality batch. No support for the ICs, missing resistor meaning the power LED does not work, badly connected resistor, and even an inductance mounted SMD style because the leads were cut too short. The solder joints have not been heated enough and the solder did not penetrate in the vias. The board is pretty dirty (flux and solder residues that could short tracks). Otherwise, the device works and is quite cheap. It comes with a lot of accessories which is

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    2020-03-20 13:43:10

    Товар соответствует описанию. На момент покупки самая выгодная цена. Спасибо продавцу за упаковку трубка счетчика пришла не разбита (самое главное в этом устройстве). Качество пайки не на высшем уровне (видимо на плату попали капли припоя - возможно это частный случай, к счастью

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    2019-10-15 01:40:27

    It works good, but first 2-3 minutes it gives too much impulses (~100 CPM). Then it works fine. Good for learning Arduino and building own geiger counter for testing environment, food, building materials, body radiation after medical treatment with radioactive contrast, etc.

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    2020-05-16 19:23:21

    Excelente produto, por um preço fantástico. Vem montado e trás alguns acessórios. Tem muito boa sensibilidade. Testei em salas de radiologia e de medicina nuclear. Vou tentar liga-lo ao arduino para poder visualizar as ionizações detetadas pela câmara. Recomendo. Fica aqui o link do video para quem quiser ver: https://youtu.be/ZXEYaT3F70w

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    2020-02-27 10:57:51

    En primer pedido el dispositivo llegó roto y me lo reenviaron. En esta segunda ocasión, el dispositivo llegó casi entero, funcionando, pero con el plástico protector roto... como esta parte no era funcional, no me preocupaba tanto. El empaquetado es muy deficiente, lo que provoca roturas de distintos elementos. Con respecto al funcionamiento, funciona, aunque no es demasiado representativo. En mi caso, he montado un proyecto que encontré en internet, siguiendo el cual, se conectó el detector

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    2019-10-22 08:07:00

    Recibido hoy (pedido el 10/10). Envío un poco lento, pero ha llegado en perfectas condiciones. Muy bien protegido, doble caja de cartón y tejido acolchado. Lleva un protector de plástico para proteger el circuito y el tubo. Este protector es muy sencillo de instalar (recuerden retirar el film protector que lleva para que no se vea opaco). Los cables y el portabatería de buena calidad. Circuito con buenas soldaduras y bien terminado. Probado, a falta de conectar a Arduino, funciona a la perfección.

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    2019-11-02 04:12:31

    Came as a set as in the seller's pictures, safely packed and intact. Easy to setup, confirmed- working. BUT... I got one, relatively serious problem. The lamp provided had it's markings washed out. Partly it points to J305 but the size doesn't match. It matches with M4011 but then the markings doesn't make sense. As a result I do not know the specs and the only way to calibrate it would be to compare with known radiation source which I do not own. Consequently it landed in a drawer for now. Perhaps

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    2020-02-29 06:12:22

    The build quality is far from the product photos. No sockets for the IC's, soldering temperature way to low for the lead free solder. There is a J305βγ labeled GM-tube but this one is 85mm long where the J305βγ should be 107mm long (according to the SJ 20164-1992 standard). If this tube is not what it claims to be, calibration is impossible. For the price it is a descent gadget, it works although it needs a little rework on the soldering to be reliable.

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    2020-06-19 15:41:47

    Hooked this up to an ESP32 using the Pulse pin and wrote a very simple counter / dosimeter program for it. Really impressed, accuracy seems spot on also.

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