This may read better: Voltage R2 Vdev R2 % D1 Vdev D1 % 5 1.59864 31.97% 0.547757 10.96% 4 1.27891 31.97% 0.536324 13.41% 3 0.959184 31.97% 0.521111 17.37% 2 0.639456 31.97% 0.49834 24.92% 1 0.319728 31.97% 0.45256 45.26% -- McHUG - Physical Computing ;) MicroController Ham User Group