Recent content by RobertDuncan42

I will work on the scope setup, my Tektronix 456 scope hasn't been powered up in about 12 years. The voltage is easily seen with a DVM set to AC Volts and probed from any of the com port terminals to equipment ground (bare wire from main breaker box). Note that I took the board to the bench...

I have a PS-4 with the GLX-PCB-PRO board. I am developing software to drive my VSP pump motor with an external industrial VFD instead of the Hayward drive electronics, which just fails too often. I have the system working. Using an ESP32 micro driving two serial ports and RS485 converters. One...

You didn't indicate the model of the new pump. If it is a Hayward, you can look at an SPX3200SR or SPX3200WF. These are plastic riser bases. The WF is 1.11 inch, the SR is 2.77 inch. Both are on Amazon.

I moved to Florida about 18 months ago and acquired a pool with our new to me house. It has a Pentair 2"-2 1/2" 3-way diverter valve on the suction side of the pump that selects pool or spa suction. It has an actuator on it. It spends 95% of it's time (99% of all statistics are made up on the...