Experimental Incubator/ei prototype designing: Difference between revisions

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Here you can find info about the development of the current version 4.0 "Just" which we are now working on. There are several improvements compared to the previous version [[3_0_fermento|3.0 Fermento]], the third generation of the experimental incubator.
Here you can find info about the development of the current version 4.0 "Just" which we are now working on. There are several improvements compared to the previous version [[3_0_fermento|3.0 Fermento]], the third generation of the experimental incubator.
One of the most visible improvements are the professionally produced PCBs which we had already ready at 33c3. Already for second time we have made complete kits, this time we have complete kits with all parts and also only bare PCBs for the more experienced ones.
=== Soldering, connection and other info ===
For the people who has the 4.0 just version kit (equals v2.1b) we have detailed instructions how to solder, connect and use this version. Also if you like you can get in touch with us:
* at our experimental incubator mailing list
* directly with [[User:Algoldor|Algoldor]] by sending email to algoldor (you know the sign) foodhackingbase.org
The '''soldering guide''' is here shared as a [https://wiki.techinc.nl/index.php/File:Incubator-v21b-solderguide.pdf pdf file] at TechInc wiki's.
=== Temperature probes ===
The DS18B20 temperature probes used have PVC shielding; that makes them unsuitable for long time use at temperatures of 100°C or above, although the sensor works up to 125°C. Some sensors are shielded with PTFE cable (more commonly known as Teflon) which is considered food safe to 160°C, so these sensors can be used up to 125°C (max sensor range). Here are some ordering options:
* [[http://www.dx.com/p/water-proof-ds18b20-temperature-probe-90cm-142889#.WB75j4WcG00 Cheapest found on DX - lead only 90cm, not 100!]] eu 2.26
* [[http://www.dx.com/p/diy-ds18b20-stainless-steel-temperature-sensor-probe-black-151327#.WB7zzYWcG00 Cheap and tested sensor from DX]] eu 2.53
* [[http://www.dx.com/p/ds18b20-waterproof-digital-temperature-probe-black-silver-204290#.WB7rNYWcG01 Slightly nicer due to pins on leads]] eu 3.37
* [[http://www.vanallesenmeer.nl/Temperatuur-1-Wire-Waterdicht-DS18B20 Local source delivers very quickly]] eu 3.25
* [[https://www.adafruit.com/products/381 Adafruit never cheap]] $9.95
* [[https://nl.aliexpress.com/store/product/Free-Shipping-1pc-DS18B20-digital-temperature-sensor-PTFE-waterproof-three-core-shielded-cable/342106_1341087517.html?detailNewVersion=&categoryId=523 PTFE version on AliExpress]] $8.50
* [[http://www.ebay.nl/itm/DS18B20-digital-temperature-sensor-PTFE-waterproof-three-core-shielded-cable-/111959779016 PFTE version on ebay]] eu 12.47
* [[https://www.adafruit.com/products/642 PTFE version on Adafruit - never cheap]] $14.95
* [[https://www.kiwi-electronics.nl/hoge-temperatuur-waterbestendige-ds18b20-temperatuur-sensor Local supply of PTFE version]] eu 14.95

Revision as of 17:06, 11 January 2017

Here you can find info about the development of the current version 4.0 "Just" which we are now working on. There are several improvements compared to the previous version 3.0 Fermento, the third generation of the experimental incubator.

One of the most visible improvements are the professionally produced PCBs which we had already ready at 33c3. Already for second time we have made complete kits, this time we have complete kits with all parts and also only bare PCBs for the more experienced ones.

Soldering, connection and other info

For the people who has the 4.0 just version kit (equals v2.1b) we have detailed instructions how to solder, connect and use this version. Also if you like you can get in touch with us:

  • at our experimental incubator mailing list
  • directly with Algoldor by sending email to algoldor (you know the sign) foodhackingbase.org

The soldering guide is here shared as a pdf file at TechInc wiki's.

Temperature probes

The DS18B20 temperature probes used have PVC shielding; that makes them unsuitable for long time use at temperatures of 100°C or above, although the sensor works up to 125°C. Some sensors are shielded with PTFE cable (more commonly known as Teflon) which is considered food safe to 160°C, so these sensors can be used up to 125°C (max sensor range). Here are some ordering options:

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