rachman bobo's Profile - Engineer - PCBWay Community

rachman bobo

I'm ordinary staff, my hobby creating bulid audio amplifier and digital electronic stuff.

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try to make an legend classic style about dor matrix display led. use IC 74hc595 and several resistor (150..330 ohm) to limit the output current (perhaps arround 330 ohm) and use uln28003 or any trans...
boboproject148_display_modul_dotmatrix28pin_ic74595
155010
the chalange create running text with microcontroller connnected to dot matrix led 5x7 8x8 or any matrix led that you have. if you dont have any, just buy dotmatrix max7219 then pull out the dotma...
boboproject147_lovehurt5x7_attiny2313
86200
IC TA7640 bisa kita ganti dengan IC yang sama persis spesifikasinya yaitu KIA6040 buatan Korea.Indikator Sinyal meter tidak Penulis gunakan untuk kali ini, hanya indikator LED saja yang Penulis gunaka...
bobo146_radio_fm_kia6040
462403
Rules:1. Add key word: XMAS2020. All entries will be listed on “Shared Project” page.2. Deadline for submitting: December 31, 20203. Evaluation: Popularity(likes, comments, views, downloads, orders, e...
W09439ASD144_tree2020bybobo
103508
boboproject139 radio alba mc3361 mc3361 4days production only 5usd , download it n correct it, lazy?just put in your cart pay it and mod
boboproject139 radio alba mc3361 mc3361
411064
source : https://320volt.com/en/amplifier-2-1-with-tda7377-circuit/ other additional specification read the datasheet IC 7377.here brief receipe :Resistors2.pcs 56K resistors (green, blue, orange)1.p...
rachmanbobo138_ampletos7377
281242
work from home.. radio amateur raised, able to talk to your friend, this is classic radio communication era 1990 anyone still missed it. You are veteran homebrew radio communication, lets build t...
boboproject133_radioamir
171181
Stereo 68W Power Amplifier
pa 104 68w
216072
its free open hardware design, download and mod as you wish, tell me if you successfull create bargraph, dotmatrix animation, use avrstudio to code.. , i dont have it yet... refs : www. aisi555.c...
minsysattiny2313
114601
backgorund storythis is small project, i need modul that able to show simple text via serial into cheap LCD display 16 chars x 2 lines.i just need it for displaying info from such as another arduino ...
Serial Display LCD 16x2 monitor
219014
.. i think i wanna build in 0.56 inch version but i unable to create more tiny line and or double layer anymore. can you? I am old man, i only able to heat commponent in 0.54 grid.. i hate SMD and yo...
display panel seven segmen 6 digit x 3 lines
139602
This CMOS IC can be directly connected to 7 common cathode segments (negative)if you want to make 2 more digits, then we cascade / connect the level between ICs, so when the first IC reaches 5, the CO...
sd125counter4026
131511

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