As ever on a budget waste not want not approach. mostly stuff I had in stock Code ERV Code Six individually fused channels Power board shown in place. 35 Amp Hall effect current sensor. Driver code here ERV Code Dashboard for ERV fan control and testing Six controlled channels with 25Khz PWM fan speed control The first layer of the system. Two Arduinos one for control one for networking, Code here ERV Code
Blog for energy projects EV and project blog for our homemade energy recovery ventilation ERV and HVAC systems.