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Fencing STM8
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Fencing | Body-Cord Tester

1 year ago 145
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An overly complicated tester board for testing connections on fencing foils. It really doesn't need 75% the stuff on here, but I thought I'd have some fun designing it. Refer to model 3 for the final design.


- Ports RA, RB, and RC connect to their respective banana sockets on a foil-type body cord
- Intended to be powered through a rechargable LIR2450 coin-cell battery
- USB1 provides usb power to recharge the battery
- LED1 will be programmed to light when RA is connected to RB
- LED2 will be programmed to light when RC is connected to RB
- LED3 will light when battery recharging is active


- STM8L051F3 µC
- H1 header for ST-Link programming
- SW1 resets the µC

Future Features:

There are many unused pins on the µC on purpose, as I intend on adding more unecessarily complicated features later on. Most likely, it will just be added support for epee and saber types.


Body-Cord Tester

Fencing | Body-Cord Tester Model 1

Fencing | Body Cord Tester Model 2

Fencing | Body Cord Tester Model 3


ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 STM8L051F3P6TR U1 TSSOP-20 1 STM8L051F3P6TR STMicroelectronics LCSC C18088
2 10nF C6 0603 1 CL10B103JB8NNNC SAMSUNG LCSC C7248
3 1uF C7,C3 0603 2 CL10A105KB8NNNC SAMSUNG LCSC C15849
4 CR2450 U2 CR2450 1 3009 Keystone Electronics LCSC c238101
5 Header-Male-2.54_1x1 RA,RB,RC HDR-1X1/2.54 3 Header-Male-2.54_1x1 ReliaPro LCSC C81276
6 RED LED1 LED-1210 1 42-21A/R6C-AX1Y1B/1T Everlight Elec LCSC C264573
7 ORANGE LED2 LED-1210 1 42-21/S2C-AVY/1T Everlight Elec LCSC C264575
8 4.7uF C1,C4 0805 2 CL21A475KAQNNNE SAMSUNG LCSC C1779
9 MCP73832T-2ACI/OT U5 SOT-23-5 1 MCP73832T-2ACI/OT MICROCHIP LCSC C38066
10 ME6206A25M3G U3 SOT-23-3 1 ME6206A25M3G MICRONE LCSC C82445
11 ULN2003LVDR U4 SOIC-16_150MIL 1 ULN2003LVDR Texas Instruments LCSC C72751
12 100nF C5 0603 1 CL10B104JB8NNNC SAMSUNG LCSC C24452
13 10uF C2 0805 1 CL21A106KAYNNNE SAMSUNG LCSC C15850
14 30 R1,R2 1206 2 1206W4F300JT5E UniOhm LCSC C17886
15 TSA053G16-250T SW1 KEY-TACT-SMD-5.05*5.05*H 1 TSA053G16-250T BRIGHT LCSC C331509
16 Header-Male-2.54_1x4 H1 DIP-1X4P-2.54MM-M 1 210S-1*4P L=11.6MMGold-plated black Ckmtw LCSC C124378
17 micro USBFemale USB1 MICRO-USB-1 1 micro USBFemale ValuePro LCSC C10418
18 20K R3 2512 1 25121WF2002T4E UniOhm LCSC C68384
19 42-21URC/TR8 LED3 LED-1210 1 42-21URC/TR8 Everlight Elec LCSC C264577
20 330 R4 1206 1 1206W4F3300T5E UniOhm LCSC C17930




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