R1=1Kohm R16-17=270ohm D1=9.1V 0.4W zener R2=47Kohm R18=22ohm 1W D2-3=1N4148 R3=1.5Kohm R19=NC Q1-2=BC550C R4-5=10Kohm R20-21=0.39ohm 4W Q3=MPSA56 R6=5.6Kohm TR1=250ohm trimmer Q4=BC547B R7=10ohm C1=470nF 100V MKT Q5=BC212 R8=47Kohm C2=1nF 100V MKT Q6=BC183 R9=560ohm C3=68pF ceramic Q7-8=MPSAO6 R10-11=8.2Kohm C4-8=22nF 100V MKT Q9=TIP141 R12-15=120ohm C5-6-7=100nF 100V MKT Q10=TIP146 R13=680ohm C9=47uF 25V F1-2=1.6AT FUSE R14=330ohm C10-11=220uF 63V All the resistors [...]

Car Radio – Pinout.pdf

Features Easy to use and cost effective. Generates industry standard Gerber, Excellon and Pick and Place files for manufacture. Can import a netlist from your schematic. Seven different formats supported. Design rule checking – 32 rules in five categories. Snap to objects, snap to grid and snap to guides for easy and accurate placement. Comprehensive [...]

U=14V

Do you need to test printers or other items of equipment that connect to a PC’s parallel printer port? This low- cost, easy to build circuit will let you test them quickly, without the need for a PC or test software. Basiacally, this device is a simple hardware simulator. From magazine: www.epemag.co.uk

8watts-schematics.rar PCB.rar HEX file.rar LCD .rar

White Leds have a forward voltage drop of around 3.6V. If we wish to operate a white LED from a single 1.5V dry cell or 1.2V rechargeable cell we therefore need a voltage converter.The PR4401 from PREMA is a special purpose IC designed to drive a white LED.The device has just three connections and comes [...]

Car calculators.rar