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livebox:assembly [2012/04/09 17:05] – [1-Wire] minerva9 | livebox:assembly [2013/04/12 14:06] – [HAH PCB assembly notes] minerva9 | ||
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* A 433MHz RF transmitter | * A 433MHz RF transmitter | ||
* A LCD (1x16) | * A LCD (1x16) | ||
+ | * A DS18B20 temperature sensor | ||
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====== HAH PCB assembly notes ====== | ====== HAH PCB assembly notes ====== | ||
- | {{: | + | {{: |
+ | Click image for enlargement | ||
Before starting, make sure that you have all of the parts that you require. Components are packaged as per the [[http:// | Before starting, make sure that you have all of the parts that you require. Components are packaged as per the [[http:// | ||
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Remember to align the notch on the socket with the notch on the PCB legend. Now, fit the two caps and the xtal. {{ : | Remember to align the notch on the socket with the notch on the PCB legend. Now, fit the two caps and the xtal. {{ : | ||
- | Jumper JP1 should be left unfitted. JP3 should be fitted and jumper-ed to short pins 1 and 2. JP4 should be fitted and pins 1 and 2 shorted. Note that our newer PCBs don't need any jumpers. | + | Jumper JP1 should be left unfitted. JP3 should be fitted and jumper-ed to short pins 1 and 2. JP4 should be fitted and pins 1 and 2 shorted. Note that our newer PCBs only have one jumper (JP1), which should be fitted and jumper-ed. |
If you have relays to fit, it is easier to fit the diode, resistor (4K7 ohm) and transistor (required to drive the relay) before fitting the relay itself. <note warning> | If you have relays to fit, it is easier to fit the diode, resistor (4K7 ohm) and transistor (required to drive the relay) before fitting the relay itself. <note warning> |