arduino compatible from walet robotic indonesia

akhirnya aku punya modul arduino mungil di sambung dgn shield dotmatrix max7219. cari cari sourcecodenya dulu ya..

suara burung sebagai buzzer - mini shield untuk waletuino

suddenly i found this PCB at local store. meeet the requirement. mini shield size : = 3,25 x 5 cm
Beli bahan bahan yang kurang. ini notanya.

dapatkan oenderdilnya di toko jaya nugraha elektronik. jalan Jayabaya no 31. Kediri.
skemanya gan..

modul MatrixLED as mini shield for waletuino

i found at market that suitable for his waletuino.. yeah... Max7219 matrix LED module..!!!
you see that board?. need modification for able to connected to mini shield MatrixLED.
waiting for someone design new version of this layout PCB.