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  • 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.

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  • How to operate an A7672S 4G modem with a computer

    Resource 'How to operate an A7672S 4G modem with a computer'

    by Nikhil Angnihotri, EngineersGarage.com As 5G is in full swing in the telecom segment, 4G modems are fast occupying the embedded space. The 4G GSM modems are useful in embedded systems for several reasons. 1. They provide a high-speed wireless connection to the internet. This allows embedded systems to access and process data in real time, which is essential for telematics, industrial automation, and remote monitoring applications. 2. The 4G GSM modems are relatively compact and...
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NiZn Battery Charger With Auto Cutoff Using LM317
Charger performs recommended charging function for rechargeable NiZn batteries
5.00 star(s) 3 ratings
Updated
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LM317 12V Lead-Acid Battery Charger With 3-Step Auto CC/CV and Trickle-Charge
Lead-acid battery charger using LM317 provides auto CC charge, CV top-off, and final trickle-charge
5.00 star(s) 2 ratings
Updated
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Two Chip Quadrature Decoder
Two IC chips decode rotary quadrature encoder signals
5.00 star(s) 1 ratings
Updated
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Resonant Inductive Charging of Capacitor Improves Efficiency And Amount of Stored Energy 2017-05-30
Capacitor resonant charging can nearly double the charge efficiency and quadruple energy stored.
5.00 star(s) 1 ratings
Updated
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Analog Max/Min Value or Bi-Level Clamp Circuits 2017-05-01
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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LM317 Simple CC CV With TL431 For Battery Charging, Etc.
Simple regulator has both CC and CV with minimum drop, using one LM317 and one TL431 reference
5.00 star(s) 1 ratings
Updated
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LM317 12V Pb Battery Trickle Charger with Temperature Compensation
12V Pb battery trickle charger provides desired temperature compensation
5.00 star(s) 1 ratings
Updated
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Analog Multiplier Using PWM
1-Quadrant Analog Multiplier Circuit Uses PMW Circuit For DC to Low Frequency Signals
4.00 star(s) 2 ratings
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Electronic Power Rheostat 2018-07-23
Circuit generates an equivalent high power resistance that can be adjusted with a potentiometer.
4.00 star(s) 1 ratings
Updated
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4-20mA Current-Loop Transmitter, Simple Receiver-Powered Circuit
Simple one op amp, 4-20mA current-loop transmitter circuit is receiver powered
0.00 star(s) 0 ratings
Updated
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1A USB Type-C Lithium Battery Charger (With Protection)
1A USB Type-C Lithium Battery Charger (With Protection)
0.00 star(s) 0 ratings
Updated
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CD4013 Push-Button Toggle FF Uses Spare FF For Debounce Circuit
CD4013 PB toggle circuit requires no additional IC for debounce control
0.00 star(s) 0 ratings
Updated
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Unilab MFA10 Workstation Pack 2024-06-07
Can someone help please
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Detecting Failed Capacitors, Unveiling the Secrets (ESR, Phase Angle, Dissipation Factor)
Detecting Failed Capacitors, Unveiling the Secrets (ESR, Phase Angle, Dissipation Factor)
0.00 star(s) 0 ratings
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Stereo Digital FM Transmitter Circuit
Stereo Digital FM Transmitter Circuit
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30A AC Soft Starter (Inrush Current Limiter) Circuit with Fail-Safe
30A AC Soft Starter (Inrush Current Limiter) Circuit with Fail-Safe
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How to Easily Detect a Failed Capacitor
How to Easily Detect a Failed Capacitor
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Double Lithium-Ion/Lithium-Polymer USB Type-C Charger
Double Lithium-Ion/Lithium-Polymer USB Type-C Charger
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A Portable White Noise Generator Circuit
A Portable White Noise Generator Circuit
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Cooling FAN Controller Using an LM35 (No MCU)
Cooling FAN Controller Using an LM35 (No MCU)
0.00 star(s) 0 ratings
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