Slow PWM support

... or put another way, hability to control the output power of each pin. With this new feature you can finetune your configuration, and enables you to directly power dew heater bands.

... you can even name each individual pin so you don't have to remember what's been attached to it!

Please do not exceed 1A continous output power, and 2A peak (< 1 sec). Feel free to contact us for advice.