Fig. 3
From: Large scale and integrated platform for digital mass culture of anchorage dependent cells
Design of a wireless system and control algorithm. a Photograph of the data acquisition hardware. b–e Control flow chart of the impedance sensing (b), electrical stimulation (c), thermal stimulation and temperature sensing (d), and pH and K+ sensing (e). f, g Plots showing the DAC output for impedance measurement (red) and filtered signals (blue) of the adjustable frequency range (10–10,000 Hz). h Comparison of the impedance measurement between wired (left) and wireless (right; screenshot image of the software) recordings. i Plot of electrical stimulations controlled by the user interface software to specify the site of stimulations. j Plots to compare wired and wireless measurements of pH and K+ concentrations. k Infrared camera images of the heat generated and controlled by the thermal stimulators (TS) wirelessly. The number of TS to turn on can be controlled
