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Simple OpAmp selectable gain amplifier: Select gain 1x or 10x via GPIO

Categories: Analog, Electronics

Uli Köhler

2022-03-08 2 min read

How to check only a single schematic symbol against KLC (KiCAD library conventions)

Categories: Electronics, KiCad

Uli Köhler

2022-03-04 1 min read

How to check KiCAD symbol library against KLC (KiCAD library conventions)

Categories: Electronics, KiCad

Uli Köhler

2022-03-04 0 min read

How many bits does the ESP32S2 DAC have?

Categories: ESP8266/ESP32

Uli Köhler

2022-03-02 0 min read

How to connect CHIP_PU pin on ESP32Sx

Categories: ESP8266/ESP32

Uli Köhler

2022-03-02 1 min read

How to generate caddy basic auth password using docker-compose

Categories: Networking

Uli Köhler

2022-02-27 0 min read

What is the pinout of the ESP32-S2 (QFN56 package)?

Categories: ESP8266/ESP32

Uli Köhler

2022-02-26 0 min read

What is the pinout of the ESP32-C3 (QFN32 package)?

Categories: ESP8266/ESP32

Uli Köhler

2022-02-26 0 min read

How much RAM does the ESP32-C3 have?

Categories: ESP8266/ESP32

Uli Köhler

2022-02-26 0 min read

How to replace numpy NaNs by last non-NaN value

Categories: Python

Uli Köhler

2022-02-25 0 min read