// // hello.t412.blink.3.ino // // tiny412 blink hello-world, 3-pin UPDI+VCC header // // Neil Gershenfeld 1/10/21 // // This work may be reproduced, modified, distributed, // performed, and displayed for any purpose, but must // acknowledge this project. Copyright is retained and // must be preserved. The work is provided as is; no // warranty is provided, and users accept all liability. // #define LED 4 void setup() { pinMode(LED,OUTPUT); } void loop() { digitalWrite(LED,HIGH); delay(100); digitalWrite(LED,LOW); delay(100); }