View this project on CADLAB.io.
- https://oshwlab.com/lordzurp/cam87box_power-board
- https://oshwlab.com/lordzurp/cam87box_logic-board
- https://oshwlab.com/lordzurp/cam87box_sensor-board
boards can be ordered almost fully SMD assembled from JLCpcb there are few components to add to complete the project
- Power board
- USB type B Molex
- DC Jack 2.1mm
- header M 2.54 1x4
- header M 2.54 2x3
- JST connector 2pts
- JST connector 3pts
- Logic board
- Header F 2.54 1x4
- header F 2.54 2x3
- header M 90° 2.54 2x9
- EL7457CSZ : from ebay or aliexpress
- CXD1267AN : from ebay or aliexpress
- Sensor board
- header F 2.54 2x9
- DS18B20 temp sensor
- ICX453AQ : from old Nikon DSLR (40D, 50D, 70D)
- cooling system
- TEC module : good results with TEC2-19003 or TEC2-25408
- 40x40 heatsink
- 40x40 fan
- delete ADC_power pads : 3.3V only
- add FAN power selector : USB 5V or Vcc
- some minors fix and cleaning
- cleaned connection between logic and sensor
- temp sensor moved to sensor board
- reworked cooling driver
- new mosFET
- bigger self
- cooling driver don't support enough current to drive TEC
- mistake with calibrating res for step-up
- bad connection on EEPROM
- Original post from GRIM : http://www.astroclub.kiev.ua/forum/index.php?topic=28929.msg599742&language=english#msg599742
- French board on Cam86 and Cam87 : https://www.webastro.net/forums/topic/148427-camera-ccd-fabriqu%C3%A9-maison-cam86/
- ukrainian blog of the projects : http://astroccd.org/
- french blog : https://www.diycam.fr/index.php/fr/