MedicalInMO's latest activity

For those interested the tachometer works really well as outlined in my schematics. Note here that air speed and CFM values are...

Anyone seen any 4/20 sales on Boveda or Integra Boost humidity packs?

GSINODRS 200Pcs Plant Support Clips, Garden Clips, Grape Vine, Tomato Vegetables Trellis Clips to Grow Upright Makes Plants Healthier...

Spiderfarmer has a Spring sale going on. Stack coupon code sf8 on top of it and it has pretty killer savings.

I could not resist the urge to cook more boards! You are seeing the 2 units on the left running a modified lvgl demo. I was using it to...

Currently on lightning deal for $374.99 after deal and coupon (TK2P2TWJ505W)

Just under $60

Any restrictions on which version of AC Infinity inline fans this would work with? IIRC there have been 4, 2 DC & EC.

First board assembled this morning

I just ordered some unpopulated PCBs. Hopefully I didn't introduce a mistake while revamping the schematics!

The core of the PWM circuit is this: where FAN1_PWM_OUT is the output from the ESP32's pwm going though a level shifter. the 10V is...

For the record, I am confirming the PWM Frequency of my fan to be 4,156KHz. Below are some measurements taken at min speed, 50% and 75%...

@sle118

Hello, I run a sealed room with Co2. The fan with a filter cycling in the room is only good for circulation and scrubbing the smell...

Correct, a mini split doesn't exchange interior air with exterior air. The interior air passes across the fins in the head unit and...