2answers

[Others] Raspberry Pi Power Circuit Advice Needed

Looking for advice on improving this circuit. I use a 3S Li-Ion battery into a buck converter to power a Raspi trail camera with an on/off switch and led indicator.I use a largish resistor because I l...
  • answered Jul 31,2020
    by Gorge
4answers
1answers
5answers

[Others] How to trigger a low volt relay coil from 120VAC?

I have a 120VAC system that, when it switches on, needs to power a 5v board for a subsystem, such as a common shield relay. Ideally it should isolate both systems, I looked for an optoisolator 120v-&g...
  • answered Jul 30,2020
    by Joson
1answers

[PCB Prototype] Delivery to UK

Hi, how much to send 50 x iSpindel 4.0 to Londond, England UK?https://www.pcbway.com/project/shareproject/iSpndel_4_0.htmlThanksDaniel
2answers

[Others] Function problem

I' m supposed to do a pcb of this function but it’s wrong somehow, can somebody help me. Function= (notAnotBnotD) + (AB) + (notBnotCD). All Ic are NORs, specifically 7402
  • answered Jul 30,2020
    by Andrew
1answers

[Others] What should i do to keep the folders_common_a and folders_common_b seperate and link them into the subfolders.

I'm using Altium Designer for PCB design and I'd like to have a folder particular folder structure setup.Folder_common_a and Folder_common_b will be common to all subfolders of Template. They ...
  • answered Jul 30,2020
    by Remy
2answers

[Others] Help identifying type of/uF/voltage of capacitors.

These are for guitar hero/rockband. Looking for replacements.
  • answered Jul 29,2020
    by Andrew
4answers

[Others] Is it ok to connect the SCL/SDA pins of 2 breakout boards to the same Raspberry Pi (3B+)?

Hi, I hope to connect a LSM303 magnetometer breakout board to a Ras Pi 3B+ that already has a Adafruit 16-Channel PWM/Servo HAT attached. Can I solder the I2C connections of the Magnetometer to ...
  • answered Jul 29,2020
    by Joson
3answers
Ranking Name Answers
1 PCBWay Team 9
2 Engineer 2
3 (DIY) C64iSTANBUL 2
4 Engineer 1