• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Resources by crutschow

Radio push-button function is provided by a simple circuit using a CD4011 in a latch configuration
0.00 star(s) 0 ratings
Updated
Single Op amp provides linear, single-ended output for bridge sensor resistance change.
0.00 star(s) 0 ratings
Updated
TL431 provides accurate, adjustable voltage crowbar function for circuit overvoltage protection
0.00 star(s) 0 ratings
Updated
LV, LP, CC driver allows two alkaline or NiMH cells to steadily power a Red LED until discharged.
0.00 star(s) 0 ratings
Updated
Charger performs recommended charging function for rechargeable NiZn batteries
0.00 star(s) 0 ratings
Updated
Low parts-count circuit monitors multiple alarm switches, includes arm and entry delays
0.00 star(s) 0 ratings
Updated
Lead-acid battery charger using LM317 provides auto CC charge, CV top-off, and final trickle-charge
0.00 star(s) 0 ratings
Updated
PB latch circuit provides on/off delay function to prevent accidental power switching
0.00 star(s) 0 ratings
Updated
Circuit combines PWM controlled constant-current source with 3rd-order filter using one opamp
0.00 star(s) 0 ratings
Updated
Stepper motor driver applies full voltage for fast stepping, then PWM for low power hold
0.00 star(s) 0 ratings
Updated
Circuit generates an equivalent high power resistance that can be adjusted with a potentiometer.
0.00 star(s) 0 ratings
Updated
A simple circuit using the common CD4049 to generate the Radio PB Function
0.00 star(s) 0 ratings
Updated
Notch filter Q is largely independent of component tolerances and notch frequency adjustment.
0.00 star(s) 0 ratings
Updated
Circuit disconnects battery from operating accessories at a specific voltage to avoid dead battery.
0.00 star(s) 0 ratings
Updated
Simple, efficient, lead-acid battery charger auto switches from CC to CV mode
0.00 star(s) 0 ratings
Updated
One-shot timer uses no power when quiescent, useful for battery powered circuits
0.00 star(s) 0 ratings
Updated
Circuit applies full actuation power to solenoid with PWM hold reducing power to 12-25% of nominal
0.00 star(s) 0 ratings
Updated
Minimal circuit for auto CC/CV charging. Option allows pot adjustment of charge current.
0.00 star(s) 0 ratings
Updated
Two simple high-side sense current limit circuits adjust to zero current and have low voltage drop
0.00 star(s) 0 ratings
Updated
Combination of Binary & BCD counters do Binary↔BCD conversions.
0.00 star(s) 0 ratings
Updated

Latest threads

EE World Online Articles

Loading

 
Top