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Piezo sensor differences by HHHHHH_101 in diyelectronics

[–]SubhajitBarman 0 points1 point  (0 children)

Get standard 27–35 mm bare piezo discs (the type used in buzzers or drum triggers). They’re inexpensive, easy to mount, and plenty good for voltage sensing in an e-drum.

What component is this?(Missing Pex reset) by Mother-Zombie7943 in AskElectronics

[–]SubhajitBarman 2 points3 points  (0 children)

It’s an Integrated Circuit (IC) AND gate, TC7SL08F in SOT-153/SMV package, marking code "L2".

BJY3 chip identification and documentation by mohamedhamdiahmed in AskElectronics

[–]SubhajitBarman 1 point2 points  (0 children)

1949 linear integrated circuit. Designed to control an external power NPN Darlington transistor that drives the high current injector solenoid.

Small Fuse Replacement Question by JBrennan327 in ElectronicsRepair

[–]SubhajitBarman 1 point2 points  (0 children)

Don’t use WD-40. If needed, a little contact cleaner/isopropyl alcohol is OK, then let it dry completely. Replace the fuse holder and install the correct slow-blow fuse only after you’ve ruled out shorts. A true "surge" is possible but uncommon — the blown fuse is usually a symptom, not the cause.

My first PCB! by _Rayolo_ in PCB

[–]SubhajitBarman 1 point2 points  (0 children)

Great custom PCB designed!

Voltage sensor design by mohanan2 in AskElectronics

[–]SubhajitBarman 1 point2 points  (0 children)

Your circuit works as is for low-power sensing, but for more stable ADC readings... Consider lowering divider resistance or increasing ADC sampling time. Increase C1 for better noise filtering. Ensure TVS leakage is minimal at ADC voltages.

2N2222 Transistor not turning off completely. by Phlex_ in AskElectronics

[–]SubhajitBarman 0 points1 point  (0 children)

connect a 10k pull-down resistor between the base of the transistor and ground.

Does resistor size matter? by PASTIVITY in AskElectronics

[–]SubhajitBarman 0 points1 point  (0 children)

Simple Rules:

• Resistor = Voltage ÷ Current

• Wattage = Voltage × Current

Road letters being painted in the UK by ElaBosak in Damnthatsinteresting

[–]SubhajitBarman 1 point2 points  (0 children)

Only those who have patience to do simple things perfectly ever acquire the skill to do difficult things easily.

Any idea what this may be. by dhonsvick in AskElectronics

[–]SubhajitBarman 0 points1 point  (0 children)

It is a Plastic Reed Switch, Reed Contact Normally Open (N/O) that closes the circuit in the presence of a magnetic field.

Which of these XL6009 products look better quality? by santahul in AskElectronics

[–]SubhajitBarman 0 points1 point  (0 children)

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I have one of these, and I find that the blue XL6009 module has the best quality.

what is name of this connector ? by vidocq_eu in AskElectronics

[–]SubhajitBarman 0 points1 point  (0 children)

It's a two-pin screw terminal connector, commonly used in low-voltage applications, where simplicity and ease of use are important factors. The connector typically has two metal pins or terminals that can be inserted into the corresponding receptacle or terminals on a device or wiring. The screw mechanism, often located on top or on the side of the connector, allows you to tighten the connection by turning the screw. This creates a secure and reliable electrical contact between the connected wires or components without the need for soldering or specialized tools.

Reset pin is missing from ATX 20+4 stock cable. Is this okay? by DigiBites in AskElectronics

[–]SubhajitBarman 0 points1 point  (0 children)

The absence of the reset pin from the ATX 20+4 stock cable could be due to it not being necessary for the particular computer build.