https://github.com/jbilander/logic-level-converter-board

A bi-directional high-speed TTL-Compatible level shifter board 5V ⇄ 3V3 for tinkering
https://github.com/jbilander/logic-level-converter-board

Last synced: 18 days ago
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A bi-directional high-speed TTL-Compatible level shifter board 5V ⇄ 3V3 for tinkering

• Host: GitHub
• URL: https://github.com/jbilander/logic-level-converter-board
• Owner: jbilander
• License: gpl-2.0
• Created: 2020-09-09T13:47:18.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2021-03-14T19:00:41.000Z (almost 4 years ago)
• Last Synced: 2023-03-11T01:38:51.426Z (almost 2 years ago)
• Homepage:
• Size: 1.83 MB
• Stars: 6
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Logic-level-converter-board

A bi-directional high-speed TTL-Compatible level shifter board 5V ⇄ 3V3 for tinkering

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PART  | Value       | Description

---| ---------------| -------

D1 | 2.54 mm pin pitch | LED Diode (optional Power on/off indicator)

R1 | 100-330 Ohm | 1206 (populate if D1, calculate suitable resistor value to use with D1)

C1 | 10-100 uF   | 1210

C2 | 0.1 uF      | 1206

U1 | SN74CBTD16211 https://www.ti.com/lit/ds/symlink/sn74cbtd16211.pdf| TSSOP-56_6.1x14mm_P0.5mm

 | Pushbutton switch SW_7x7x12mm_DPDT

 | Barrel Jack 5.5x2.1mm

 | Power +5V center pin positive or via pinheader (verify polarity before connecting)

 | 2.54 mm jumpers to enable/disable /1OE (first 12-bits) and /2OE (second 12-bits), either enable via jumper to GND or disable via VCC.

 | 2.54 mm jumpers to disable unused inputs via jumper to GND.

 | A lot of 2.54mm pinheader strips. 

Happy Tinkerin'