This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Simple ESP32 based 4 Channel LV board for controlling Home appliances with HomeSpan. HomeBoard was created to controll variety of LED strips, and other Low voltage appliances.
- Supply Voltage 3.5-30V
- Status LED and Control push button for easy configuration
- 4 PWM-eabled channels (0-Vin V, 25A)
- 2 channels can be configured with Logic Level Shifters to drive Neopixels etc.
- Switch or button option vailable.
Status LED and Control Button are attached to deafault pins for most of the boards. S1 Button is also used as boot button during programming
- LED - GPIO2
- Button - GPIO0
Four channels can be configured per requiremnts. Specific sections 1-3 has been marked on PCB. Only one group from each section should be soldered based on selected funtion. Available options:
| Channel | Main Function | Alternative |
|---|---|---|
| 1 | Open Drain | Logic Level (0-Vin) |
| 2 | Open Drain | Logic Level (0-Vin) |
| 3 | Open Drain | Switch (GPIO18) |
| 4 | Open Drain | Switch (GND) |
- 3D printed case
- update power circuit with more common IC
- update programming connector and decrease the size of the board