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2
questions
2
votes
1
answer
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74HC74D initial output value after power up
I use a touch sensor (Active Low) to light up a light bulb. here I've used a 74HC74D D flip flop to turn on an off the bulb with the sensor pulse (sensor output is active low which is then converted ...
- 335
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votes
5
answers
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RS485 IC Termination Resistor Configuration
I've made a mistake on a design, that went into production...
It was built like the drawing on the left, with R702 to 5V and R703 to GND, it should have been backwards... like the drawing on the ...
- 528