Schematics or Circuit Diagrams that aid learning.
555 multivibrator like power oscillator
This is dual 555 multivibrator like power oscillator. This is my contraption and conception but couple of decades old. It appears to have errors. It […]
Schematics
FreePCB – PCB editor
FreePCB is a free, open-source PCB editor, released under the GNU General Public License. It was designed to be easy to learn and easy to […]
Amplify uV from Sensors to mV for uC
Amplify uV from Sensors to mV levels for A/D Converters, which in turn may drive a display or connect to a uC means MicroController. I […]
Convert Analog to Digital with a V-F
A Low cost A/D with a Potential of 5KV Isolation from Computing elements by use of Normal/Special Opto-Couplers. This can give better resolution and accuracy […]
Low Cost AM FM Stereo Receiver
This was a National Semiconductor Application Note, now TI. – Low Cost IC Stereo Receiver. AN-147 Low Cost IC Stereo Receiver Some Highlights The LM3089 […]
Microohm Meter with LED Analog Bar
This indicates like LM3914 in dot-mode. It is a drawing i made made to troubleshoot a gadget, around two decades ago. Strangely it had a […]
Antenna-amplifier with BFT 12 for FM-range
The only way to improve the reception of FM-signals or particularly of stereo FM-signals under disadvantageous receiving conditions is to amplify the antenna signal. This […]
555 Circuits and The First Datasheet
This is one IC that is like a E-LEGO, this along with Op-Amps and other components can make many interesting projects. Probably the very first […]