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GPL 3.0

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CPU Handwarmer

2 years ago 411
  • Description
  • Documents
  • BOM
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Description

This is a small project for creating a CPU handwarmer. Its open for testing. Resistors and capacitors arent specificly chosen except the heat dissapating ones. But the values are given.

There is an autorouted version of the PCB present but I DONT recommend using it. Because it has wrong trace widths and parts on it. I just used it for testing!

Documents

Handwarmer

PCB

PCB AUTO

NEW_PCB

BOM

ID Name Designator Footprint Quantity Supplier Mounted Seller Item ID
1 Pads for battery P1 2X1 SOLDER PAD 1 LCSC No C49661
2 11Ω R1,R2,R3 2512 3 Digi-Key Yes LTR100JZPF11R0CT-ND LTR100JZPF11R0CT-ND
3 SMD switch U1 NKK SS3 SMD SWITCH 1 Digi-Key Yes 360-2924-1-ND 360-2924-1-ND
4 ATTINY45 U2 SO08-EIAJ 1 Digi-Key Yes ATTINY45-20SU-ND ATTINY45-20SU-ND
5 10kΩ THM F1 PTC-1206 1 LCSC Yes C143975 C143975
6 MICRO USB 5S B USB1 MICRO-USB-1 1 LCSC Yes C10418 C10418
7 10kΩ R13 1206 1 Digi-Key Yes undefined
8 MCP73833 U3 MSOP-10 1 Digi-Key Yes MCP73833-AMI/UN-ND MCP73833-AMI/UN-ND
9 SMD1206P110TFT F2 PTC-1206 1 LCSC Yes C143975 C143975
10 1uF C1,C2 1206 2 Digi-Key Yes undefined
11 1kΩ R8 1206 1 Digi-Key Yes undefined
12 DMN10H220L Q1 SOT23 1 Digi-Key Yes DMN10H220L-7DICT-ND DMN10H220L-7DICT-ND
13 QBLP615-IB LED1 1206 1 Digi-Key Yes 1516-1072-1-ND 1516-1072-1-ND
14 55Ω R4 1206 1 Digi-Key Yes undefined
15 47k R5 1206 1 Digi-Key Yes undefined
16 91kΩ R7 1206 1 Digi-Key Yes undefined

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