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Top resources
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Accurate, Adjustable SCR Crowbar Circuit For Overvoltage Protection Using TL431 ReferenceTL431 provides accurate, adjustable voltage crowbar function for circuit overvoltage protection
- crutschow
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NiZn Battery Charger With Auto Cutoff Using LM317Charger performs recommended charging function for rechargeable NiZn batteries
- crutschow
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Getting Started with Android Programming: Creating Your First AppA tutorial to help you write a simple Hello World! Android application
- DerStrom8
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Simple & Inexpensive Ideal-Diode MOSFET CircuitsGood for low-drop diode applications, such as blocking battery back-charging or brownout protection
- crutschow
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Powerful DC Motor Driver using Power Mosfets [30A, half Bridge]
555 VCO (Voltage Controlled Oscillator) uses constant current control to give wide control range.
Paralleling LM317 regulators for higher current, using TL431 reference for excellent performance
Circuit separates combined turn/stop signals for separate turn/stop lamps using no added power
Easy to build digital coil-less (100KHz step size) FM transmitter
Circuit combines the brake-signal and turn-signal into one lamp with no added power connection
switching dc to dc converter
FM transmitter
Radio push-button function is provided by a simple circuit using a CD4011 in a latch configuration
Single Op amp provides linear, single-ended output for bridge sensor resistance change.
TL431 provides accurate, adjustable voltage crowbar function for circuit overvoltage protection
LV, LP, CC driver allows two alkaline or NiMH cells to steadily power a Red LED until discharged.
Charger performs recommended charging function for rechargeable NiZn batteries
Low parts-count circuit monitors multiple alarm switches, includes arm and entry delays
Lead-acid battery charger using LM317 provides auto CC charge, CV top-off, and final trickle-charge
Weight Scale using SFE's OpenScale platform
PB latch circuit provides on/off delay function to prevent accidental power switching
Circuit combines PWM controlled constant-current source with 3rd-order filter using one opamp
Building a Simple Weight Scale
2018-08-12
Weight Scale built using SFE's OpenScale platform
Low Power PWM Stepper Motor Driver
2018-08-05
Stepper motor driver applies full voltage for fast stepping, then PWM for low power hold
Latest threads
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Automotive 6 Volt Generator Transistor Voltage Regulator
- Started by Danwvw
- Replies: 8
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Looking for a data sheet part 162 with W73A 4CH- Started by be80be
- Replies: 1
