Messy PCB - Fusion 360 Blog
Yellow Glue
Capacitor plague - Wikipedia
Dirty PCB - The Ultimate Guide To Make Your PCB Clean And Durable
Is this brown stuff on the motherboard ruining my NES? : r/nes
Need Diode replacement for circuit board | DIYMobileAudio.com Car Stereo Forum
That shiny brown stuff is flux right? Is that bad? Should I remove it? : r/AskElectronics
Sticky brown gunk smeared all over the underside of a PC Engine Duo system PCB — Could it be that infamous electrolytic fluid from leaking caps, or something more harmless? : r/consolerepair
Old circuit boards hi-res stock photography and images - Alamy
Is this flux residue or the PCB is burnt? - Electrical Engineering Stack Exchange
Printed circuit board brown hi-res stock photography and images - Alamy
Bel Fuse / Power-One HBD060YGE-A DC/DC Converter PCB Board - Price, Specs
Converting an Inkjet Printer to Print PCBs : 13 Steps (with Pictures) - Instructables
pcb fabrication - What is the purpose of the brown pads on this PCB? - Electrical Engineering Stack Exchange
Trying to learn, what is this brown stuff on the board? Is it normal or is it bad? : r/consolerepair
How to Prototype Without Using Printed Circuit Boards : 8 Steps - Instructables
Desoldering...... I have another soldering question for you guys, what's the best method of desoldering large pads like this without hurting nearby components? I have a Hakko FX-888D and an old Weller
Ask Hackaday: What Color Are Your PCBs? | Hackaday
Internal Heating Element Makes These PCBs Self-Soldering | Hackaday
what causes the black corrosion /deposit on the pcb? | Electronics Forum (Circuits, Projects and Microcontrollers)
Brown PCB isolated stock image. Image of circuit, metal - 23755201
board - What is this waxy stuff? - Electrical Engineering Stack Exchange
24 Vintage circuit boards ideas | circuit board, circuit, pcb design
PCB etching with photosensitive dry film – now working consistently. – The Society of Secretive Squirrels
Naked Electronics Pattern Background Printed Circuit Stock Photo 1460294951 | Shutterstock
Why where old pcbs brownish/beige and now they are green? - Quora
