tranzistor tester

[race king]

evo za potrebe ispitivanja tranzistora sam si napravio mali tranzistor tester:
slike:
http://yfrog.com/mxp8060068j" onclick="window.open(this.href);return false;
http://yfrog.com/5fp8060076aj" onclick="window.open(this.href);return false;
http://yfrog.com/2pp8060079j" onclick="window.open(this.href);return false;
http://yfrog.com/n2p8060078j" onclick="window.open(this.href);return false;

[78L05]

Koristan mali uređaj, i lijepo napravljen.