— Resources
Engineering Articles
Answers to the questions hardware engineers actually ask — stackups, impedance, DFM and sourcing.
- How to adjust pad pitch for CTE compensation in flex PCB design
2026-10-05
- Why your custom ATmega328P board won’t connect to ISP (and how to fix)
2026-10-05
- What software do you need for PCB and prototype assembly?
2026-10-05
- How to determine PCB trace heating with I^2R, IPC‑2152, and real examples
2026-10-04
- Parallel MOSFETs not sharing current? Gate drive and PCB fixes that work
2026-10-04
- Why does this LCD PCB have an island cut-out? Mechanical, optical, DFM reasons
2026-10-04
- Altium to Gerber: step-by-step export settings for PCB fabrication
2026-10-03
- Identify a PCB female wire-to-board connector: steps and common series
2026-10-02
- Is my DIY digital stethoscope circuit gain and filter correct?
2026-10-02
- How to remove component information from ODB++ without breaking fabrication
2026-10-02
- How to select CN3791 charger inductor, sense resistor, MPPT, and capacitors
2026-10-01
- How to get an accurate PCB power quote and what drives cost
2026-10-01
- How much do PCB manufacturing machines cost in 2026?
2026-10-01
- DMX Moving Light PCB Review: Specific Checks for RS‑485, Power, EMC, Safety
2026-09-30
- Feasibility Check: Full Flex vs Rigid‑Flex PCB with Stiffeners
2026-09-30
- DIY Pet Food Dispenser Schematic: What to Fix Before PCB Fab?
2026-09-30
- What do the various USB‑C pins do? Functions, signals, and layout tips
2026-09-30
- Altium designator alignment not working — causes, fixes, and DFM notes
2026-09-29
- Capacitive trackpad PCB review checklist with numeric rules
2026-09-28
- Controlled‑impedance PCB: verified formulas and worked stackup examples
2026-09-28
- How to identify a 4‑pin connector type and pinout on a PCB
2026-09-28
- What should a PCB check cover for an addressable LED strobe controller?
2026-09-28
- How to continue a differential pair ground reference from PCB to cable
2026-09-27
- How do I eliminate noise on my custom PCB?
2026-09-27
- How much does a 4‑layer PCB cost? What actually sets the price
2026-09-26
- How to stack multiple 3.5 mm headphone jacks vertically on a panel
2026-09-26
- PCB assembly: concrete SMT reflow, THT soldering, and test parameters
2026-09-24
- How to model a lumped inductor in HFSS for printed PCB antennas
2026-09-24
- PCB EMI Filter Layout for Conducted Emissions: Placement, Routing, and Test
2026-09-23
- What impedance for MDI traces between RJ45 and magnetics?
2026-09-23
- SMT soldering: hotplate vs reflow, and low-cost vapor phase options
2026-09-22
- Assess PCB feasibility from dimensions and total component area
2026-09-21
- Capacitor discharge pulse driver PCB: what to review before fab?
2026-09-20
- How to locate signal distortion on a high‑speed PCB
2026-09-20
- SDRAM, LCD, and Ethernet layout review checklist and routing rules
2026-09-20
- How to get a reliable PCB quote from your Gerber files
2026-09-19
- What is the SOT‑23 marked “2A?” on a refrigerator PCB?
2026-09-17
- ICM-42688-P/PC no SPI response: hardware and firmware checklist
2026-09-16
- How to tell plated vs non‑plated holes in Excellon .drl files?
2026-09-16
- PCB stackup design guide with rules, numbers, and a printable checklist
2026-09-15
- Excel PCB stackup calculator: IPC-2141 formulas and FR‑4 seed values
2026-09-15
- ESP32‑S3‑Mini‑1 software I2C not working? Root‑cause checklist
2026-09-15
- Why are pin names on datasheets and PCB silkscreens all caps?
2026-09-15
- Fixing resistive/conductive paint for button contacts on a cracked PCB
2026-09-14
- Troubleshooting HD44780 character LCD issues on your PCB
2026-09-14
- PCB stackup generator: inputs, rules, and worked example stacks
2026-09-13
- Should you overlap split ground planes in mixed-signal PCBs?
2026-09-13
- Why does the B output of a rotary encoder go through a resistor?
2026-09-13
- PCB stackup calculator guide with formulas, FR‑4 examples, and 4/6/8‑layer stacks
2026-09-12
- Can you solder two 6‑layer PCBs together for BGA fanout?
2026-09-12