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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.

  • 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.

Electronic Projects

Top resources

Paralleling LM317 regulators for higher current, using TL431 reference for excellent performance
4.80 star(s) 5 ratings
Updated
TL431 provides accurate, adjustable voltage crowbar function for circuit overvoltage protection
5.00 star(s) 3 ratings
Updated
Charger performs recommended charging function for rechargeable NiZn batteries
5.00 star(s) 3 ratings
Updated
Serial communication in ASM and C
5.00 star(s) 3 ratings
Updated
Good for low-drop diode applications, such as blocking battery back-charging or brownout protection
4.67 star(s) 3 ratings
Updated
Lead-acid battery charger using LM317 provides auto CC charge, CV top-off, and final trickle-charge
5.00 star(s) 2 ratings
Updated
5.00 star(s) 2 ratings
Updated
A tutorial to help you write a simple Hello World! Android application
5.00 star(s) 2 ratings
Updated
PWM solenoid driver provides initial full voltge pulse and a lower PWM hold for good efficiency
4.50 star(s) 2 ratings
Updated
Refrigerator Timer 2013-09-29
A timer for turning ON/OFF the refridgerator at peak load hours (6pm to 10 pm) using 8051
4.50 star(s) 2 ratings
Updated
Two IC chips decode rotary quadrature encoder signals
5.00 star(s) 1 ratings
Updated
Model-Based Design for Embedded Control Systems tutankhamen
5.00 star(s) 1 ratings
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Updated
LM317 circuit requires only 3 added transistors to allow zero to maximum current-limit adjustment.
5.00 star(s) 1 ratings
Updated
Low parts-count circuit monitors multiple alarm switches, includes arm and entry delays
5.00 star(s) 1 ratings
Updated
Circuit disconnects battery from operating accessories at a specific voltage to avoid dead battery.
5.00 star(s) 1 ratings
Updated
Capacitor resonant charging can nearly double the charge efficiency and quadruple energy stored.
5.00 star(s) 1 ratings
Updated
Circuit outputs the min. or max. value of several analog inputs, or provides accurate bi-level clamp
5.00 star(s) 1 ratings
Updated

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