ISU Audio & Arduino Clubs

Resistometer – Bill of Materials

Prices as of Sep 2025
itemManufacturer p/nDigikey p/nquantityitem costtotal
Microcontroller Microchip ATMEGA328P-PU ATMEGA328P-PU-ND 1 2.89 2.89
Socket On Shore ED281DT ED3050-5-ND 1 0.35 0.35
5-V regulator STMicro L7805CV 497-1443-5-ND 1 0.50 0.50
red LED Lite-On LTL-4211 160-195-ND 1 0.19 0.19
16-MHz crystal ECS, Inc. ECS-160-20-46X XC1759-ND 1 0.37 0.37
0.33-uF capacitors Murata RCER71H334K1DBH03A 490-7543-1-ND 1 0.52 0.52
0.1-uF capacitors Vishay K104K15X7RF5TL2 BC1084CT-ND 3 0.25 0.75
22-pF capacitors Vishay K220J15C0GF5TL2 BC1005CT-ND 2 0.23 0.46
56-kΩ resistor (1%) Yageo MFR-25FRF52-56K 13-MFR-25FRF52-56KCT-ND 1 0.10 0.10
10-kΩ resistors Stackpole CF14JT10K0 CF14JT10K0CT-ND 3 0.10 0.30
1-kΩ resistor Stackpole CF14JT1K00 CF14JT1K00CT-ND 1 0.10 0.10
220-Ω resistor (1%) Yageo MFR25SFTF52-220R 13-MFR25SFTF52-220RCT-ND 1 0.10 0.10
ICSP header Sullins PEC03DAAN S2012E-03-ND 1 0.47 0.47
3-pos female header Sullins PPPC031LFBN-RC S7036-ND 2 0.31 0.62
barrel jack CUI PJ-102AH CP-102AH-ND 1 0.76 0.76
screw - 2-56 x 3/8 Essentra 010256F037 RPC7524-ND 4 0.11 0.44
nut - 2/56 Essentra 0400256HN RPC7088-ND 4 0.15 0.6
stand off - 2/56 Bivar 9913-125 492-1042-ND 4 0.10 0.40
bumpers Bump Spec B25BL07X30RP 2042-1053-ND 4 0.05 0.20
OLED display Hosyond (from Amazon) Amazon 1 3.00 3.00
PCB 1 2.00 2.00
Total 15.12