Search found 3 matches

by wattwenger
Fri May 01, 2020 6:50 pm
Forum: ESP32 Arduino
Topic: RPM measurements on multiple 4 wire 12V fans
Replies: 0
Views: 3053

RPM measurements on multiple 4 wire 12V fans

Hello, Kind of a noob but have been playing with ESP32s for a bit. Doing a battery box project and will have 3 to 4 4 wire 12V PC fans for cooling. I am trying to get an RPM reading on each individual fan. I found a sketch that was meant for an Arduino UNO and it did exactly what I wanted it to do s...
by wattwenger
Wed Jul 31, 2019 5:18 pm
Forum: Hardware
Topic: Node MCU ESP-32S V1.1 Dev board
Replies: 1
Views: 3319

Re: Node MCU ESP-32S V1.1 Dev board

Found my own answer.
Uploaded the sketch to another ESP32 and plugged it in and all is OK.
100°F and no problems.
Guess the original board had heat stroke ;)

Wolf
by wattwenger
Mon Jul 29, 2019 12:31 pm
Forum: Hardware
Topic: Node MCU ESP-32S V1.1 Dev board
Replies: 1
Views: 3319

Node MCU ESP-32S V1.1 Dev board

Very new here so please excuse me if I'm posting something wrong. I have a Node MCU ESP-32S V1.1 Dev board and have set it up to measure my solar array and battery voltage with the appropriate voltage dividers. The information is gathered and sent to my local influx data base. It works great except ...