Upcoming shows/vending:

 

 

 

 

 

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* indicates big show (attendance in the thousands)

Yet another Arduino clone

Problem: I like the Arduino, I like all the arduino clones, I like the ATMEGA329P. But I hate how all PCB dev boards have these dinky female headers. Yes there are screw shields but that does not address the issue of a more, drop-in ready-to-go industiral-ish PCB the ATMEGA328 could benefit from. Furthuremore, I am always bothered by the puny DC regular on most Arduino Unos; the DC input was 6-9v on average. Why not 12V? I have soooo many 12DC adapters. Adding a beefy 5V regualtor is also on the list to address.


Background: It's been a while since I used Eagle CAD... Good reason to practice.

 

I needed some basis to build a list of features, so I focused on something that surpirsed me with its popularity- my Venduino. This PCB is a good drop-in to get the Venduino wired , but it's also an excellent basis for any microcontroller project. Stuff I tried to make as a 'feature' for this arduino-compatible board:

  • Screw terminals for all IOs
  • Integrated logic level converter for a plug in Nokia 5110 LCD,  
  • Beefy linear regular (7805) to for up to 1A output...for servos 
  • Linear regular for 3.3V output (up to 250mA)
  • header connections for up to 6 PWM servos
  • Jumper to disable/enable resistor and LED path on pin 13.
  • A plain, normal rectangular footprint,

 

 

Presenting the Arduino Uno compatiable industrial board. Aka the Beefy ATMEGA328 PCB



Parts Needed... The basics to build an Arduino Uno + screw terminals.

July 17, 2017 edit: I updated this table to correct minor clerical mistakes and added actual part numbers if you want to buy parts. P/Ns are from DigiKey. I reccomend getting the breakaway headers and screw terminals from ebay as these are cheaper (~50% less) on ebay.

 

Part QTY Value Description P/N VENDOR
DC_IN 1 2.1MMJACKTHM 2.1mm x 5.5mm THM DC Jack EJ508A-ND Digikey
J1-J14,  14 1X2-3.5MM 3.5mm Terminal block generic ebay
JP3, JP4, JP5, LED13_SE, PWR_SEL, SERVO_3,5,6,9,10,11, TO_5110LCD 56 Connector Breakaway MALE Header 0.1" generic  
C1, C2, C4, C6, C7 5 0.1uF 50V Ceramic Cap Radial leads 399-9870-1-ND  
D1 1 1N4004 Diode DIODE axial lead 641-1310-1-ND  
FTDI 1 M06LONGPADS Header 6x1 MALE Right Angle generic  
TO_5110LCD 1 Connector 1_8 Header FEMALE 0.1" generic  
IC3 1 74HC4050 DIP Hex BUFFER, non-inverting 296-9213-5-ND Digikey
Jumper 2 Connector Jumper,2 Position Female 0.1" generic  
LED13 1 LED 3mm Red LED generic  
LED3 1 LED 5mm Green LED generic  
ICSP 1 Connector 3x2 Male MALE 3x2 Header 0.1" generic (can be subst w/ male brkawy header)  
ZU4 1 ATMEGA328P-PU MICROCONTROLLER ATMEGA328P-PU DIP 2x14  
RESET 1 Switch Tactile Momentary Switch, thru hole generic  
C3, C5, C8, C10 4 47uF CAP Electrolytic CAPACITOR, P19582CT-ND Digikey
IC2 1 7805TV Positive VOLTAGE REG 5V LM7805CT-ND Digikey
R1,R2,R5 3 1k RESISTOR R-US_0204/7 generic  
R4 1 10k RESISTOR R-US_0207/10 generic  
Y1 1 16kHz Resonator 535-9355-ND Digikey
IC1 1 L4931-33 INLINE VOLTAGE REGULATOR 3.3V 497-7246-1-ND Digikey
Socket 2x14 1 IC DIP socket SOCKET 2x14 POS ED3050-5-ND  Digikey
Socket 2x8 1 IC DIP socket SOCKET 2x8 POS AE9992-ND Digikey
FTDI to USB PCB 1 generic USB programmer generic  
Nokia 5110 LCD 1 custom Led backlit Dot-matrix Display pinout specific  

I WANT IT

Go to Shop Page. Available in bare PCB, Kit, or Assembled.

What can I use this PCB for? Lots of stuff, but in keeping the spirit of this site's videogame something realted, you can make a N64 controller testing station. Let me explain how this came about. I was very intruiged when this N64 controller tester video showed up in my Youtube feed. This is the same person who was able to reflash GB carts among other things (link goes to the github post). Thought it would be neat to have a PCB for this, but that wasnt enough reason to make a PCB. Fast foward a few months later and the Venduino gets all this attention. Why not make a PCB that shares both puposes?


Credits:
Original creator: Sanni, github link 

Sanni Youtube channel

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