Arduino Club

Temp-Time project – Bill of Materials

Prices as of Nov 2024
itemManufacturer p/nDigikey p/nquantityitem costtotal
Atmega328 ATMEGA328P-PU ATMEGA328P-PU-ND 1 2.89 2.89
Socket On Shore ED281DT ED3050-5-ND 1 0.47 0.47
16-MHz crystal ECS-160-20-46X XC1759-ND 1 0.37 0.37
22-pF capacitors K220J15C0GF5TL2 BC1005CT-ND 2 0.24 0.48
100-nF capacitors Vishay K104K15X7RF5TL2 BC1084CT-ND 3 0.26 0.78
10-kΩ resistor Stackpole CF14JT10K0 CF14JT10K0CT-ND 4 0.10 0.40
ICSP header Amphenol 67996-406HLF 609-3218-ND 1 0.40 0.40
Barrel jack CUI PJ-102AH CP-102AH-ND 1 1.02 1.02
5-V regulator STMicro LD1117S50TR 497-6447-1-ND 1 0.35 0.35
100-uF capacitor Panasonic ECE-1AVKS100B 10-ECE-A1VKS100BCT-ND 1 0.18 0.18
Temperature sensor TI LM35DZ LM35DZ/NOPB-ND 1 1.92 1.92
Op amp Microchip MCP601 MCP601-E/P-ND 1 0.68 0.68
8-pin sockets Assmann AR 08-LC-TT AE9986-ND 2 0.23 0.46
1.8-kΩ resistor Stackpole CF14JT1K80 CF14JT3K30CT-ND 1 0.10 0.10
Real-time clock Analog DS1307+ DS1307+-ND 1 7.57 7.57
RTC crystal Citizen CFS-20632768DZBB 300-8301-ND 1 0.21 0.21
Battery holder Keystone 3001 36-3001-ND 1 0.47 0.47
Lithium backup battery FDK CR1220 SY033-ND 1 0.81 0.81
OLED display Elegoo (from Amazon) Amazon 1 1.75 1.75
Display header Sullins PPTCo41LFBN-RC S7002-ND 1 0.55 0.55
9-V battery connector Adafruit 80 1528-1117-ND 1 2.95 2.95
PCB Available from IEEE. 1 1.50 1.50
Total 26.31