Questions tagged [schematics]
The diagram that shows how the parts are hooked up logically. If your question is about a specific schematic software package, use that tag instead.
2,001 questions
0 votes
1 answer
47 views
dc motor control problem
I'm designing a PCB board for motor control. But my Proteus is not working and he doesnt shows these errors that I didn't understand(view last photo ).
-2 votes
1 answer
87 views
Simple ways to detect human motion behind me [closed]
Let's suppose that I want to help my son cheat (a little) at the game of tag. In this version of tag, someone can sneak up quietly behind their opponent, tap them and run away. What are some ways I ...
0 votes
1 answer
60 views
Car strobe unit PCB with 8 LEDs schematic check
I’m working on a circuit board for amber strobe units to be used in a car. Each board will feature eight individually addressable LEDs, controlled by an ATtiny microcontroller. In certain ...
1 vote
3 answers
143 views
What is the designation near the u11 chip (marked in gray)
This diagram is from The Wearable Electronic Customizable Device for Monitoring Activity Indicators. Volume 6, Issue 5 . The system consists of a number of discrete off the shelf modules, which ...
3 votes
1 answer
76 views
A6217 with 700 mA LED schematic check
I’m working on a circuit board for an amber strobe unit. It will feature eight individually addressable LEDs controlled by an ATtiny microcontroller. Each 700 mA LED will be driven by an A6217 driver ...
0 votes
1 answer
79 views
Schematic review of solar charger with BMS
Please review my schematic for solar charger with BMS.
1 vote
0 answers
70 views
Altium designer bus duplicate net names in hierarchical schematic
I have a Design with several subsheets. I'm having issues connecting i2c buses. Two sheets contain buses named IIC_SDA[1..25] and IIC_SCL[1..25]. When both of these sheets are placed inside the top ...
0 votes
1 answer
127 views
How to modify resistor value to achieve -10°C offset in Perry TITE301/MC thermostat circuit?
I’m modifying a Perry TITE301/MC thermostat to change the temperature offset applied when the remote control is activated. By default, activating the remote (closing contacts 6 and 7) lowers the ...