Shield:
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
If somebody wants to support me for upcoming projects :)
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This board is designed to connect addressable LEDs/Neopixel strips and handle them with the WLED firmware. Other firmware can be used as well.
- 5V/GND connector for input voltage
- 4 output lines for LED data or relais
- level shifter for all 4 outputs (3.3V -> 5V )
- resistor for data lines
- support for LED strips with clock signal
- connector for microphone sensor or button input (ADC1, GND, 3.3V, IN1, GND, IN2, GND)
- connector to flash firmware with CP2104 (3.3V, TX, RX, GND)
- 1 x WLED ESP32 Controller presoldered from https://jlcpcb.com/
| Comment | Designator | Footprint | LCSC |
|---|---|---|---|
| 10µ | C1,C3 | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C15850 |
| 47µ | C2 | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C16780 |
| 100n | C4,C5 | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C49678 |
| MountingHole | H1,H2 | MountingHole:MountingHole_3.2mm_M3_DIN965 | |
| Conn_01x06_Female | J1 | TerminalBlock:TerminalBlock_bornier-6_P5.08mm | |
| Conn_01x04_Female | J2 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | |
| Conn_01x07_Female | J3 | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | |
| Jumper_NO_Small | JP1,JP2,JP3,JP4 | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | |
| 330 | R1,R2,R3,R4 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | C17630 |
| 10K | R5,R6 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | C17414 |
| Reset | SW1 | Button_Switch_SMD:SW_SPST_CK_RS282G05A3 | C354943 |
| Flash | SW2 | Button_Switch_SMD:SW_SPST_CK_RS282G05A3 | C354943 |
| AMS1117-3.3 | U1 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | C6186 |
| ESP32-WROOM-32 | U2 | RF_Module:ESP32-WROOM-32 | C82899 |
| SN74AHCT125D | U3 | WLED_ESP32:SOIC127P600X175-14N | C155176 |
- 3 x 2-pin screw terminal (https://www.amazon.de/gp/product/B08JB6SSCJ)
- 1 x 4-pin header male
- 1 x 7-pin header male
- WLED: https://github.com/Aircoookie/WLED/releases
- Sound Reactive WLED: https://github.com/atuline/WLED/releases
- Connect USB-UART bridge to 3.3V, TX, RX and GND
- Press and hold "Flash" button
- Press "Reset" button and release
- Release "Flash" button
- Open https://install.wled.me/
- Click "Install"
- Select COM port of USB-UART bridge
- Wait until finished
- OUT1 - IO16
- OUT2 - IO17
- OUT3 - IO18
- OUT4 - IO19
- Microphone input - IO36
- Button input 1 - IO26
- Button input 2 - IO27
