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2 layers100 × 70 mmMicrocontroller based Digital IC tester, the printed circuit board in 3D

Microcontroller based Digital IC tester

worldtechno222-max/Microcontroller-based-Digital-IC-tester

Microcontroller-Based Digital IC Tester PCB designed using KiCad and Arduino Nano. This project can test common 14-pin digital ICs using a DIP socket interface. The PCB includes status LEDs, buzzer indication, push-button controls, and LCD header support.

Size
100 × 70 mm
Copper layers
2
Thickness
1.6 mm
Parts
29
Nets
48
Pads
108
Tracks, vias
215, 25
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
13 May 2026
Updated
13 May 2026

Overview

Microcontroller based Digital IC tester is an open-source printed circuit board by worldtechno222-max, from the worldtechno222-max/Microcontroller-based-Digital-IC-tester repository on GitHub. It is a 2-layer board of 100 × 70 mm with 29 parts on 48 nets, routed with 215 tracks and 25 vias.

It belongs with the AVR (ATmega, ATtiny) boards of this library.

README

README.md

Microcontroller-based-Digital-IC-tester

Microcontroller-Based Digital IC Tester PCB designed using KiCad and Arduino Nano. This project can test common 14-pin digital ICs using a DIP socket interface. The PCB includes status LEDs, buzzer indication, push-button controls, and LCD header support.

Microcontroller-based-Digital-IC-Tester PCB

A microcontroller-based digital IC tester PCB designed using KiCad and Arduino Nano.

Features

  • Arduino Nano based
  • DIP-14 IC test socket
  • Good/Bad LED indication
  • Buzzer alert
  • LCD interface
  • Push button control

Tools Used

  • KiCad
  • Arduino Nano
  • Through-hole PCB design

Parts

29
QtyValueFootprintReferences
13220Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R14, R15
210KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR12, R13
2Conn_01x03_PinConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalGND SEL, VCC SEL
2SW_PushButton_Switch_THT:SW_PUSH_6mmSELECT, START
10.1uFCapacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm0.1uF
1100uFCapacitor_THT:CP_Radial_D6.3mm_P2.50mm100uF
1Arduino_Nano_v3.xModule:Arduino_NanoArduino Nano
1BuzzerBuzzer_Beeper:Buzzer_12x9.5RM7.6- BUZ +
1Conn_01x02_SocketConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalPOWER SW
1Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalLCD
1Conn_02x08_Top_BottomConnector_PinSocket_2.54mm:PinSocket_2x08_P2.54mm_VerticalIC TEST SOCKET
1GREENLED_THT:LED_D5.0mmGOOD
1REDLED_THT:LED_D5.0mmBAD
1Screw_Terminal_01x02TerminalBlock:TerminalBlock_bornier-2_P5.08mmDC IN

Questions

How big is the Microcontroller based Digital IC tester PCB?

It measures 100 × 70 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Microcontroller based Digital IC tester use?

29 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Microcontroller based Digital IC tester KiCad files?

From the worldtechno222-max/Microcontroller-based-Digital-IC-tester repository on GitHub, at the commit this page was made from: the board is Kicad_Project/Microcontroller based Digital IC Tester.kicad_pcb and its schematic Kicad_Project/Microcontroller based Digital IC Tester.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Microcontroller based Digital IC tester design in my own project?

Its repository states no licence, so its author keeps all rights: ask worldtechno222-max before reusing the design.

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