Real Shot shows the old Layout, now the Display has moved to the Center which is more convenient.

For current Information, Capabilities and Firmware please check GitHub: https://github.com/tops4u/Ram-Tester

GPL Licence: please respect it when selling! Thanks.

BOM

• Y1 1x 16 MHz Quartz 
• C1/C6/C7 3x 100nF Capacitor 
• C2/C3 2x 15pf Capacitor 
• C5 10µF Elko
• R3-R5 3x 1M Resistor
• R2 1x 1k Resistor
• R1 1x 150R Resistor
• R6 1x 330R Resistor
• R7-R24 47R Resistor
• Q1, Q2 2N7000 TO92 N-FET
• U1 ATMEGA 328 DIP and DIP Socket 28 Pin - Narrow (you can also solder the ATMEGA directly to the board)
• U2 1x ZIF Socket / DIP Socket 20 Pin 
• D1 1x BiColor LED 5mm (Red/Green) Common Center Anode 
• SW1 1x 3 way Dip-Switch AliExpress
• SW2 Pushbutton AliExpress
• J1 MicroUSB (or any power Connector having 2.54mm Spacing 
• F1 Resetable Fuse 500mA 

If you want to use ICSP:

• ICSP 1x PinHeader 2x3 

If you want to use the ZIP Socket

• U3 2x 10Pin Pin Header Female 

If you want a Display

• 0.96" OLED with SSD1306 or 1315 I2C Variant UniColor