my PCB from PCB WAY in end August 2016

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My Packet from PCBway has arrived. here are they 4x6cm 10pcs 2.4mm, price $1 each worth it,

otherwise they gave me the gift universalPCB 3x7cm only 0.6mm  so skinny... i'm disappointed. cause in performa oder mention 2mm.. why.. or becasuse this is free $0 price?  please be honesty. don't give fake hope. ( in my country called "pemberi harapan palsu" = PHP)


Okey then making starter Projects. Ten Module using 4x6cm Universal PCB :

1. Big Dual Seven Segmen Timer

2. Modul LED Matrix 5 x7

4. DoorBell funny sound with buzzer

5. Mini Shield for my Atmega16 8 LED x 4 Port.

6. Halfduino Shled Sevensegmen 0.56

7. Audio VU meter LB1403

8. Flip Flop

9. Modul 4017 ULN 2803 Driver

10. Modul 74595 Driver

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boborachman project S-139 Pre amp mic use IC LA3220 for Radio SSB Bilateral Tranciever BC547

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The original design at Radio SSB Bilateral Tranciever is use pre amp mic with tr c828, My re design how about replace with ic LA3220 ? i tracking from PCB at local store online (you can find that pcb use search key LA3220) AF AMP speaker use LA 4182 or another similar mini amplifier such as TEA2025, just configure as stereo / two speaker 4watt or set up as BTL to increase power output use larger speaker. at local store ist cheap IC. about 2rb. the kit preampmic (was use for preamphead cassete player) about 4rb )New old stock) then you can modif it into mono modul (cut a half) that ist my idea.. to be continue
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