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GPL 3.0

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CPU Handwarmer

2 years ago 470
  • 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 Supplier Part Mounted
1 Pads for battery P1 2X1 SOLDER PAD 1 LCSC C49661 No
2 11Ω R1,R2,R3 2512 3 Digi-Key LTR100JZPF11R0CT-ND Yes
3 SMD switch U1 NKK SS3 SMD SWITCH 1 Digi-Key 360-2924-1-ND Yes
4 ATTINY45 U2 SO08-EIAJ 1 Digi-Key ATTINY45-20SU-ND Yes
5 10kΩ THM F1 PTC-1206 1 LCSC C143975 Yes
6 MICRO USB 5S B USB1 MICRO-USB-1 1 LCSC C10418 Yes
7 10kΩ R13 1206 1 Digi-Key undefined Yes
8 MCP73833 U3 MSOP-10 1 Digi-Key MCP73833-AMI/UN-ND Yes
9 SMD1206P110TFT F2 PTC-1206 1 LCSC C143975 Yes
10 1uF C1,C2 1206 2 Digi-Key undefined Yes
11 1kΩ R8 1206 1 Digi-Key undefined Yes
12 DMN10H220L Q1 SOT23 1 Digi-Key DMN10H220L-7DICT-ND Yes
13 QBLP615-IB LED1 1206 1 Digi-Key 1516-1072-1-ND Yes
14 55Ω R4 1206 1 Digi-Key undefined Yes
15 47k R5 1206 1 Digi-Key undefined Yes
16 91kΩ R7 1206 1 Digi-Key undefined Yes

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