The hottest Components Substack posts right now

There are two main ways to build a SwiftUI design system: idiomatic view composition and a progressive-disclosure style that centralizes options into simpler initializers.
Progressive disclosure can be pragmatic for large projects because it reduces API surface and makes components easier to use, even though it departs from SwiftUI conventions.
Pick the approach that fits your team and project scale, weighing the trade-offs between idiomatic composition and pragmatic simplicity.

Charge pumps are efficient circuits that can double voltage using capacitors. They work by transferring charge between capacitors to create a higher voltage output.
Unlike standard voltage dividers, a specific charge pump design can halve voltage. This is done by using capacitors in series and moving a 'flying' capacitor to balance the voltages.
The charge transfer stabilizes the output voltage at half the supply, which is different from typical voltage dividers since it doesn't depend on the size of the capacitors.

Goertek is more than a parts supplier — it assembles Meta’s headsets, runs centralized procurement, and manages a huge network of component makers, giving it outsized influence over costs and timelines. This makes it hard to replace even though its direct component value looks small.
Meta is trying to diversify suppliers and move some production out of China, but swapping individual components isn’t the same as rebuilding an entire supply chain, so true decoupling remains difficult.
Key XR parts like waveguides, pancake lenses, and optical engines are yield-constrained and dominated by a few firms (notably Goertek and Sunny Optical), creating capacity bottlenecks that drive shortages and limit product availability.

Some components in electronics, like resistors, may not behave exactly as expected especially at high frequencies.
Parasitic impedance and capacitance in resistors can affect circuit performance, especially in applications like feedback loops for operational amplifiers.
Using a two-stage amplifier can help mitigate issues caused by resistor parasitics and ensure better signal integrity.

Impedance can be divided into resistance, capacitive reactance, and inductive reactance.
Digital multimeters measure resistors, capacitors, and inductors by applying different methods.
LCR meters, despite their limited features, provide valuable insights into impedance through scalar impedance and phase offset measurements.

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Fuses are essential components for providing protection in electronic circuits by blowing up when the current exceeds a certain threshold.
Fuses have specific ratings like amperage and voltage, and their behavior can be affected by factors like temperature and pulse energy.
Understanding the details of fuses is crucial for designing reliable circuit boards and ensuring proper functionality.

The 10X Chromium Controller Pneumatic System is complex and forms the core of the Chromium Controller.
The pneumatic system is more intricate than the fluidic system in the HiSeq X.
Paid subscribers can access detailed documentation and conceptual diagrams of the pneumatic system.

The MiSeq instrument by Illumina uses LEDs for excitation, which are cost-effective compared to lasers.
The LEDs used include a photodiode for power monitoring and specific LEDs like the OSRAM green LED and Luminus red LED.
Overall, the LED-based assembly in MiSeq replaces expensive lasers with affordable components, making it a cost-effective solution in sequencing tools.

Surface-mount parts are more compact and abundant compared to through-hole technology.
Selecting the right size of surface-mount components depends on your project requirements and constraints.
Different types of integrated circuits come in various package sizes, each with its own challenges and benefits.

Latitude has released a new npm package for React, featuring a `useQuery` hook for fetching and managing server data with ease.
A new Select component is now available that can dynamically populate options using data from queries, allowing for versatile user interactions.
Latitude now supports downloading query results in CSV format by adding a simple query parameter, making it easier for users to work with data outside the platform.

The choices you make on power supply and decoupling components can significantly affect how accurately an op-amp performs. It's important to choose components wisely.
Using larger decoupling capacitors generally leads to better performance by reducing fluctuations in the power supply that can affect the output of the amplifier.
Don't assume low ESR capacitors are always best; sometimes, adding a bit of resistance can actually improve performance by helping to manage fluctuations in power.