Richard Cappels

Mesa, AZ, USA

Areas of interest of the author: Supply Light Microcontrollers Usage Beginners Power Solar

Publications on RadioLocman by the author Richard Cappels:

LED driver combines high speed, precision
Applications such as turbidity measurement and densitometry require cleanly pulsed light sources with stable amplitudes. The LED driver in Figure 1 illuminates retinal neurons in a biological experiment that has...
Sep 17, 2025
Circuit Forms Single-Pulse Voltage Multiplier
It is sometimes necessary for a microcontroller to generate a pulse whose voltage is higher than the power-supply voltage of the microcontroller. The circuit in Figure 1 allows you to generate 14 V pulses from...
Dec 13, 2022