Arduino Club
Temp-Time project – Bill of Materials
- This is Version 2 of the Temp-Time project for Spring 2025.
- Kits are available from IEEE. To obtain one, contact the current IEEE representative, listed on the resources page.
Prices as of Apr 2025
| item | Manufacturer p/n | Digikey p/n | quantity | item cost | total |
|---|
| Atmega328 |
ATMEGA328P-PU |
ATMEGA328P-PU-ND |
1 |
2.89 |
2.89 |
| Socket |
On Shore ED281DT |
ED3050-5-ND |
1 |
0.35 |
0.35 |
| 16-MHz crystal |
ECS-160-20-46X |
XC1759-ND |
1 |
0.37 |
0.37 |
| 22-pF capacitors |
K220J15C0GF5TL2 |
BC1005CT-ND |
2 |
0.23 |
0.46 |
| 100-nF capacitors |
Vishay K104K15X7RF5TL2 |
BC1084CT-ND |
3 |
0.25 |
0.75 |
| 10-kΩ resistor - 5% |
Stackpole CF14JT10K0 |
CF14JT10K0CT-ND |
3 |
0.10 |
0.30 |
| 10-kΩ resistor - 1% |
Stackpole RNMF14FTC10K0 |
S10KCACT-ND |
1 |
0.10 |
0.10 |
| 3.3-kΩ resistor - 1% |
Stackpole RNMF14FTC3K30 |
S3.3KCACT-ND |
1 |
0.10 |
0.10 |
| ICSP header |
Amphenol 67996-406HLF |
609-3218-ND |
1 |
0.30 |
0.30 |
| Barrel jack |
CUI PJ-102AH |
CP-102AH-ND |
1 |
0.76 |
0.76 |
| 5-V regulator |
STMicro LD1117S50TR |
497-6447-1-ND |
1 |
0.35 |
0.35 |
| 10-μF capacitor |
Panasonic ECE-1AVKS100B |
10-ECE-A1VKS100BCT-ND |
1 |
0.18 |
0.18 |
| Temperature sensor |
TI LM35DZ |
LM35DZ/NOPB-ND |
1 |
1.48 |
1.48 |
| Op amp |
Microchip MCP601 |
MCP601-E/P-ND |
1 |
0.68 |
0.68 |
| 8-pin sockets |
Assmann AR 08-LC-TT |
AE9986-ND |
2 |
0.17 |
0.34 |
| Real-time clock |
Analog DS1307+ |
DS1307+-ND |
1 |
5.75 |
5.75 |
| RTC crystal |
Citizen CFS-20632768DZFB |
300-1002-ND |
1 |
0.24 |
0.24 |
| CR1220 battery holder |
Keystone 3001 |
36-3001-ND |
1 |
0.46 |
0.46 |
| Lithium backup battery |
FDK CR1220 |
SY033-ND |
1 |
0.79 |
0.79 |
| OLED display |
Hosyond (from Amazon) |
Amazon |
1 |
3.00 |
3.00 |
| Display header |
Sullins PPTCo41LFBN-RC |
S7002-ND |
1 |
0.40 |
0.40 |
| Switch |
C&K JS202011CQN |
401-2001-ND |
1 |
0.75 |
0.75 |
| 3-pos terminal block |
On Shore OSTVN03A150 |
ED10562-ND |
1 |
1.26 |
1.26 |
| 9-V battery holder |
Keystone 1294 |
36-1294-ND |
1 |
2.96 |
2.96 |
| PCB |
|
Available from IEEE. |
1 |
1.50 |
1.50 |
| Total |
|
26.52 |