
Stm32pe midi
udu3324/stm32pe-midi
a midi controller using the mpe protocol to create more expressive music

Kicad pcb for a LED encoder
Led circle is an open-source printed circuit board by jjrh, from the jjrh/led_circle repository on GitHub. It is a 2-layer board of 50 × 50 mm with 26 parts on 29 nets, routed with 299 tracks and 25 vias.
It is built around the TLC5940PWP. Its parts include 16 diodes, 3 resistors, 1 IC and 1 connector.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | LED | w_indicators:led_5mm_red | D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15 |
| 2 | 10k | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R1, R3 |
| 1 | 2.2k | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R2 |
| 1 | CONN_11 | Pin_Headers:Pin_Header_Straight_1x11 | P1 |
| 1 | Encoder_switch | w_misc_comp:encoder_alps-ec12d | E1 |
| 1 | TLC5940 | Housings_DIP:DIP-28_W7.62mm | U1 |
The 22 most common of 26 parts.
It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.
26 parts, built around the TLC5940PWP. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the jjrh/led_circle repository on GitHub, at the commit this page was made from: the board is led_circle.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask jjrh before reusing the design.

udu3324/stm32pe-midi
a midi controller using the mpe protocol to create more expressive music

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