Logic adjustable Glow-Plug drive
All of my turbine starts before the research on the ECU involved a very successful spark ignition. I thought (only briefly) of trying to add spark ignition to t...
Logic adjustable Glow-Plug drive
All of my turbine starts before the research on the ECU involved a very successful spark ignition. I thought (only briefly) of trying to add spark ignition to t...
Combination Lock Circuit
This circuit is very basic to build. To open a the lock which is connected to the K1 Load you must press each momentary switch in the correct sequence. The sequ...
Combination Lock Circuit
This circuit is very basic to build. To open a the lock which is connected to the K1 Load you must press each momentary switch in the correct sequence. The sequ...
Digital Electronic Lock
The digital lock shown below uses 4 common logic ICs to allow controlling a relay by entering a 4 digit number on a keypad. The first 4 outputs from the CD4017 ...
Digital Electronic Lock
The digital lock shown below uses 4 common logic ICs to allow controlling a relay by entering a 4 digit number on a keypad. The first 4 outputs from the CD4017 ...
7-Segment & Keypad
Since the output buffer of P1 can sink 20mA (each output pin, but maximum IOL for all outputs was limited at 80mA), thus we can use P1 to drive LED display dir...
7-Segment & Keypad
Since the output buffer of P1 can sink 20mA (each output pin, but maximum IOL for all outputs was limited at 80mA), thus we can use P1 to drive LED display dir...
7 Segment LED Counter
This simple counter can be used to count pulses, as the basis for a customer counter (like you see at the doors of some stores), or for anything else that may b...
7 Segment LED Counter
This simple counter can be used to count pulses, as the basis for a customer counter (like you see at the doors of some stores), or for anything else that may b...
Logic Probe
This logic probe uses a single CMOS IC and shows three logic conditions, High, Low and Pulsing. In addition if the probe input is neither hi or low (the high im...
Logic Probe
This logic probe uses a single CMOS IC and shows three logic conditions, High, Low and Pulsing. In addition if the probe input is neither hi or low (the high im...
Finite State Machine Programmable Logic Controller
I have had this project hanging around for ages and have tried to submit it for publication without much enthusiasm so I will make everything available here for...
Finite State Machine Programmable Logic Controller
I have had this project hanging around for ages and have tried to submit it for publication without much enthusiasm so I will make everything available here for...
The 6090 Digital Decoder
This is an image Schematic. No Description available....
The 6090 Digital Decoder
This is an image Schematic. No Description available....
LOGIC PROBE with PULSER
This project is a combination Logic Probe and Logic Pulser. It is capable of testing all sorts of digital and microcomputer projects. You will find it extreme...
LOGIC PROBE with PULSER
This project is a combination Logic Probe and Logic Pulser. It is capable of testing all sorts of digital and microcomputer projects. You will find it extreme...
Pulse Reading Logic Probe
This circuit uses LEDs to display logic states for high, low, rising pulse, and falling pulse, it is generally useful for debugging logic circuitry....
Pulse Reading Logic Probe
This circuit uses LEDs to display logic states for high, low, rising pulse, and falling pulse, it is generally useful for debugging logic circuitry....