No Part DigiKey Ref. Qty Price 1 USB connector 609-4613-1-ND 1 0.46 2 LCD NHD-C0216CIZ-FSW-FBW-3V3-ND 1 10.25 3 Diode F2715CT-ND 1 0.88 4 Capacitor 1uF 587-1241-1-ND 3 0.10 x3 5 Capacitor 0.1uF 587-1451-1-ND 3 0.16 (buy 10) 6 Resistor 10K RMCF0402JT10K0CT-ND 3 0.17 (buy 10) 7 Resistor 910K RMCF0402JT910KCT-ND 1 0.02 8 Resistor 180K RMCF0402JT180KCT-ND 1 0.02 9 Microcontroller R5F1026AASP#V0-ND 1 1.92 10 USB-UART conv. 336-2008-5-ND 1 1.43 11 DC-DC converter 296-17151-1-ND 1 1.29 12 AAA holder 2466K-ND 1 1.32 13 Inductor 587-1649-1-ND 1 0.29 14 Slide switch CKN9559-ND 1 0.35 15 Header S9005E-04-ND 1 1.20 16 Button 401-1779-1-ND 1 0.66