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Blue 3mm LED with diffused lens A high-brightness blue LED in a 3mm through-hole package with standard (~25mm) lead length and diffused lens. Quite good brightness at 3V and can be driven with just a few milliamps. Cat No SC3384. Price: AUD $0.20 1 In stock: yes (772 available). Estimated dispatch time: 1-3 days Related to: Project: High-Performance Stereo Headphone Amplifier, Pt.1 (September 2011 [print issue] [online issue]) Project: High-Performance Stereo Headphone Amplifier, Pt.2 (October 2011 [print issue] [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 (November 2011 [online issue]) Project: Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 (December 2011 [online issue]) Project: High-Power Class-D Audio Amplifier, Pt.1 (November 2012 [print issue] [online issue]) Project: CLASSIC-D Speaker Protector (November 2012 [print issue] [online issue]) Project: High-Power Class-D Audio Amplifier, Pt.2 (December 2012 [online issue]) Project: CLASSIC-D Amplifier Power Supply (December 2012 [online issue]) Project: High Performance CLASSiC DAC; Pt.1 (February 2013 [online issue]) Project: High Performance CLASSiC DAC; Pt.2 (March 2013 [online issue]) Project: High-Performance CLASSiC DAC; Pt.3 (April 2013 [print issue] [online issue]) Project: High-Performance CLASSiC DAC; Pt.4 (May 2013 [print issue] [online issue]) Project: Isolating High Voltage Probe for Oscilloscopes (January 2015 [online issue]) Project: Speech Timer For Contests & Debates (December 2015 [print issue] [online issue]) Project: An Arduino Data Logger with GPS (August 2017 [print issue] [online issue]) Project: Arduino Data Logger Part 2 (September 2017 [print issue] [online issue]) Project: An AM Radio Transmitter to build (March 2018 [print issue] [online issue]) Other items relevant to these projects: Arduino Data Logger: Arduino Data Logger shield PCB with stackable headers [21107171] ($5.00) Arduino Data Logger shield PCB [21107171] ($2.50) VK2828U7G5LF TTL GPS/GLONASS/GALILEO module with antenna and cable ($25.00) GY-68 Barometric Pressure/Altitude/Temperature I²C Sensor breakout board ($2.50) Elecrow 1A Li-ion/LiPo charger board with USB pass-through ($35.00) Firmware (Arduino sketch) file for the Arduino Data Logger (Free) Arduino Data Logger shield PCB pattern (PDF download) [21107171] (Free) High-Performance Classic-DAC: CLASSiC DAC main PCB [01102131] ($20.00) CLASSiC DAC revised main PCB [01102134] ($25.00) dsPIC33FJ128GP306T-I/PT programmed for the CLASSiC DAC v1.02 [0110213B.hex] ($20.00) Red & White PCB-mounting RCA sockets ($4.00) SMD parts for the CLASSiC DAC ($80.00) CLASSiC DAC front & rear panels [01102132/3] ($20.00) Firmware for the CLASSiC DAC [0110213B.HEX] (Free) CLASSiC DAC main PCB pattern (PDF download) [01102131] (Free) CLASSiC DAC front and rear panel PCB patterns (PDF download) [01102132/3] (Free) CLASSiC DAC front & rear panel artwork (PDF download) (Free) Low Noise Stereo Preamplifier & Input Selector: Input Switching Module PCB for the Low Noise Preamplifier [01111112] ($15.00) Input Selection Pushbutton PCB for the Low Noise Preamplifier [01111113] ($5.00) Preamp & Remote Volume Control PCB for the Ultra-LD Mk3 [01111111] ($30.00) PIC16F88-I/P programmed for the Low-Noise Stereo Preamp [0111111B.HEX] (previously 0111111A.HEX) ($10.00) Firmware and source code for the Low-Noise Stereo Preamplifier [0111111B.HEX] (previously 0111111A.HEX) (Free) Low-Noise Stereo Preamplifier Input Switcher PCB pattern (PDF download) [01111112] (Free) Low-Noise Stereo Preamplifier Input Selector Pushbutton PCB pattern (PDF download) [01111113] (Free) Low-Noise Stereo Preamplifier Main PCB pattern (PDF download) [01111111] (Free) Hi-Fi Stereo Headphone Amplifier: Hifi Stereo Headphone Amplifier PCB [01309111] ($17.50) Hifi Stereo Headphone Amplifier PCB pattern (PDF download) [01309111] (Free) Hifi Stereo Headphone Amplifier front & rear panel artwork (PDF download) (Free) Classic-D: CLASSiC-D PCB [01108121] ($20.00) CLASSiC-D Speaker Protector PCB [01108122] ($5.00) CLASSiC-D PCB pattern (PDF download) [01108121] (Free) CLASSiC-D Speaker Protector PCB pattern (PDF download) [01108122] (Free) An AM Radio Transmitter to build: AM Radio Transmitter PCB (RevB) [06101181] ($2.50) AM Radio Transmitter PCB (RevD) [06101181] ($7.50) IPP80P03P4L-07 high-current P-channel Mosfet ($2.50) MC1496P double-balanced mixer IC (DIP-14) ($2.50) AM Radio Transmitter PCB pattern (PDF download) [06101181] (Free) AM Radio Transmitter lid panel artwork (PDF download) (Free) Speech Timer For Contests & Debates: Speech Timer PCB [19111151] ($15.00) PIC16F88-I/P programmed for the Speech Timer [1911115A.HEX] ($10.00) Firmware (HEX) file and source code for the Speech Timer [1911115A.HEX] (Free) Speech Timer PCB pattern (PDF download) [19111151] (Free) Front/side panel artwork and drilling diagram for the Speech Timer (PDF download) (Free) Isolating High Voltage Probe for Oscilloscopes: Isolated High-Voltage Probe PCB [04108141] ($10.00) Hard-to-get parts for the Isolated High-Voltage Probe ($37.50) Isolated High-Voltage Probe PCB pattern (PDF download) [04108141] (Free) Isolated High-Voltage Probe panel artwork (PDF download) (Free) Isolated High-Voltage Probe drilling guide diagram (PDF download) (Free)