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How can I know the specs of a phone speaker that looks broken?

General Electronics Chat 49 minutes ago at 07:38 AM

Last message by Papabravo on October 18, 2021 at 08:20 AM

1 Replies
0 Views
Thought for the day...

Off-Topic About 11 years ago at 09:29 AM

Last message by ElectricSpidey on October 18, 2021 at 08:16 AM

2847 Replies
89778 Views
Easy easy question (Tesla coil)

General Electronics Chat 17 hours ago at 03:22 PM

Last message by Yaakov on October 18, 2021 at 08:08 AM

7 Replies
84 Views
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Timed circuit to replace a broken boiler timer.

Analog & Mixed-Signal Design 53 minutes ago at 07:34 AM

Last message by LesJones on October 18, 2021 at 08:08 AM

4 Replies
0 Views
USB-C 2S Li-ion Charger IC?

Power Electronics 5 hours ago at 03:15 AM

Last message by KeithWalker on October 18, 2021 at 08:05 AM

1 Replies
27 Views
controlling high power leds with arduino

Power Electronics 4 days ago at 01:31 PM

Last message by BobTPH on October 18, 2021 at 07:57 AM

42 Replies
308 Views
Unexpected SLA Battery behavior.

General Electronics Chat One week ago at 10:36 AM

Last message by Tonyr1084 on October 18, 2021 at 07:55 AM

53 Replies
352 Views
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Expanded scale volt meter

Test & Measurement One week ago at 01:13 AM

Last message by Ian0 on October 18, 2021 at 07:52 AM

45 Replies
468 Views
USB C charger power negotiations

General Electronics Chat One hour ago at 07:20 AM

Last message by KeithWalker on October 18, 2021 at 07:45 AM

1 Replies
4 Views
how this multivibrator works?

General Electronics Chat 3 weeks ago at 06:37 AM

Last message by xljin2014 on October 18, 2021 at 07:28 AM

7 Replies
149 Views
RT temperature sensor calculations help

Sensor Design & Implementation 3 days ago at 11:22 PM

Last message by ericgibbs on October 18, 2021 at 07:15 AM

41 Replies
235 Views
Wanna see something cool #2

General Electronics Chat 7 months ago at 11:09 AM

Last message by Tonyr1084 on October 18, 2021 at 07:14 AM

132 Replies
4085 Views
Picture this...

Off-Topic 6 years ago at 10:44 PM

Last message by MrSalts on October 18, 2021 at 07:08 AM

1874 Replies
94801 Views
Solar battery powered autonomous robot ...

Automation, Robotics & Control 4 hours ago at 04:16 AM

Last message by Janis59 on October 18, 2021 at 07:02 AM

7 Replies
31 Views
Coronavirus?!

Off-Topic One year ago at 11:19 AM

Last message by Reloadron on October 18, 2021 at 07:00 AM

6806 Replies
139026 Views
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I need to replace a suppression diode on a 12v relay.

Power Electronics 10 hours ago at 09:49 PM

Last message by ilsinc on October 18, 2021 at 06:51 AM

9 Replies
71 Views
1.5Mhz Linear Triangle Wave Using 2n3906/2n3904

PCB Layout , EDA & Simulations One day ago at 08:03 AM

Last message by crutschow on October 18, 2021 at 06:36 AM

10 Replies
138 Views
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Help to solve a circuit

Homework Help 3 hours ago at 05:10 AM

Last message by DanielBounes on October 18, 2021 at 06:03 AM

2 Replies
27 Views
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How to charger an op amp without additional power source?

Analog & Mixed-Signal Design 3 days ago at 03:56 AM

Last message by circuitnaiver on October 18, 2021 at 05:59 AM

8 Replies
140 Views
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More linear FET amplification

General Electronics Chat 2 weeks ago at 10:54 AM

Last message by MisterBill2 on October 18, 2021 at 05:45 AM

36 Replies
379 Views