23LC1024

1024 bits RAM chip

• Datasheet
• https://ucexperiment.wordpress.com/2013/02/26/more-memory-arduino-and-23lc1024/

Arduino -- 23LC1024
D13 <------> SCK
D12 <------> MISO
D11 <------> MOSI
D10 <------> CS
5V  <------> VCC
5V  <------> HOLD
5V  <-10KR-> CS
GND <------> VSS