What does 3V3 or 1V8 mean? - Electrical Engineering Stack …
Mar 14, 2012 · While reading a datasheet for an IC I came across the pin voltages being presented as 3V3 or 1V8. What does this representation stand for?
Switching 3.3V with 3.3V signal - Electrical Engineering Stack …
Jul 12, 2024 · The ESP32C3 has a battery input and a regulated 3V3 output, and the DFPlayer takes 3.3V power, so that would seem to be a straightforward way to power the circuit.
How to correctly power an ESP32-H2 board with a battery
May 10, 2024 · I'd like to power my ESP32-H2-DevKitM-1 board with a 3.7 V, 2000 mAh Li-po battery. For this I think I must use this pin: Battery-3V3 The above picture is from the Pin …
simulation - How to simulate LM2596-adj in LTspice? - Electrical ...
Apr 14, 2022 · I want to simulate the LM2596-adj on LT-spice. I have downloaded the models from the product page of texas instruments they don't work properly, because they are models …
voltage - Electrical Engineering Stack Exchange
Apr 3, 2023 · "5V tolerant I/O" is unfortunately a bit vague. While this means the pins will be happy interfacing with a 5V input, it doesn't actually clarify what logic level they output, though …
Raspberry Pi Pico 3.3V_EN pin control voltage inquiry
Jun 22, 2021 · The Raspberry Pi Pico seems to have a 3.3V_EN pin which is basically the 3.3V regulator enable pin (3V3_EN) pulled up to 5V through a 100K resistor internally. I am …
Altium Designer 21 Duplicate Net Name Error
Apr 9, 2021 · I have a design that is erroring at compilation time with (among other errors) a bunch of duplicate net name errors. I have searched around including reading up on the top …
How to switch "best" between two voltage sources (5V & 3V3) for …
Apr 6, 2021 · How to switch best between two voltage sources (5V & 3V3) for a "load" (e.g. a sensor in the application field or Arduino/Raspberry Pi/etc.). The basic setup is as follows: …
stm32 nucleo 3.3V usage - Electrical Engineering Stack Exchange
Jul 16, 2021 · When using an STM32 Nucleo powered by a 5V power supply, can I use its 3V3 pin to supply 50mA? Or do I need to use, for instance, a 3.3V linear regulator attached to my …
What's up with the operating voltages 5 V, 3.3 V, 2.5 V, 1.8 V, etc.?
Integrated circuits seem to have standard voltages of 5 V, 3.3 V, 2.5 V, 1.8 V, etc. Who decides these voltages? Why do smaller devices require lower voltages?