OTHER PCBS

12V Temperature Controlled Fan speed Controller Board - PWM / DC Fan Supported

12v Fan Controller using NTC and OP-amp

Max Fan Current = 1 Ampere

Fan voltage = 12 volts

PCB size = 55mm x 33mm

Supply required =12v AC 1 to 2 ampere

NTC Should be placed on the Heatsink for temperature reference

Preset R7 for adjusting idle speed

LM3914 LM3915 10 LED VU Meter Sound Level indicator Board - PCB only

Supply Voltage Range - +9 volts to +18 volts, +12 volt recommended

Battery Operation - can be run using +9v or +12v Battery.

Signal Input - Speaker Output to be connected parallelly in to Sig. IN connector, Adjust RV1 to required level.

LED's - 10 LED's of 3 mm or 5 mm can be used in this board.

Bar Type Display - Pin 9 is connected to positive supply, Bar mode active.

Compact size - PCB size 38 mm x 72 mm ( 1.5 inch x 2.8 inch ) PCB thickness - 1.6mm.

Low cost - This VU meter board can be made in a fraction of cost compared to similar boards available in market.

LM3914 LM3915 10 LED VU Meter Sound Level indicator - Assembled Board

Supply Voltage Range - +9 volts to +18 volts, +12 volt recommended

Battery Operation - can be run using +9v or +12v Battery.

Signal Input - Speaker Output to be connected parallelly in to Sig. IN connector, Adjust RV1 to required level.

LED's - 10 LED's of 3 mm or 5 mm can be used in this board.

6v / 12v LED Emergency Light with Automatic Battery charging PCB Perfect for Educational Projects - PCB only

LED Emergency Light with Automatic Battery charging PCB, Perfect for Educational Projects.

Specs - PCB Size - 85 mm x 33 mm ( 3.3 inch x 1.3 inch ), Transformer required - 0 - 12 volts 500 mA 

Features - Very Simple but Reliable circuit, Easy to assemble,

High brightness LEDs work best, Automatic Battery Charging,

long Battery life. Totally Maintenance free.

PCBs Made in India, All Components, Circuit Diagram, BOM (List of parts) & Instructions With PCB

12 Volt LED Auto cut Emergency Light with Automatic Battery charging - Assembled Board

12 Volts LED Emergency Light with Automatic Battery charging Board

Battery Supported - 12 volts, Charging Current - 500 mA Max.

Perfect for Educational Projects of School, Collage

TRANSFORMER, BATTERY & LED's NOT INCLUDED.

Transformer required - 0 - 12 / 0 - 15 volts 1- 3 Ampere.

6 Volt LED Auto cut Emergency Light with Automatic Battery charging - Assembled Board

6 Volts LED Emergency Light with Automatic Battery charging Board

Battery Supported - 6 volts, Charging Current - 500 mA

Perfect for Educational Projects of School, Collage

TRANSFORMER, BATTERY & LED's NOT INCLUDED.

Transformer required - 0 - 12 volts 1 - 2 Ampere.