Electronics

The correlation of impedance and reactance for common-mode chokes

Categories: Electronics

Uli Köhler

2025-12-09 3 min read

What is the 'AE' in IEC61000-4-6 conducted immunity?

Categories: Electronics, EMC, Standards

Uli Köhler

2025-12-09 0 min read

What's the height of the ESP32-WROOM modules?

Categories: Electronics

Uli Köhler

2025-12-02 0 min read

What pullup resistor to use for MDIO/MDC?

Categories: Electronics

Uli Köhler

2025-11-23 1 min read

What coupling capacitor to use for Single-Pair Ethernet (10Base-T1L)?

Categories: Electronics, Ethernet

Uli Köhler

2025-11-23 1 min read

Keystone 5000 series testpoints: Original & chinese clone part prices & direct links

Categories: Electronics, Components

Uli Köhler

2025-11-22 1 min read

How long can quarter-wavelength stubs on PCBs actually be?

Categories: Electronics, Python

Uli Köhler

2025-11-18 3 min read

Relative permittivity (epsilon r) of different PCB materials collection

Categories: Electronics

Uli Köhler

2025-11-18 2 min read

What are the IEC60364-5-52 installation methods A1,A2,B1,B2,C,D,E,F,G?

Categories: Standards, Electronics

Uli Köhler

2025-09-27 1 min read

How to connect VDD_SDIO on the ESP32?

Categories: ESP32, Electronics

Uli Köhler

2025-08-01 1 min read