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STD Lego train BLE controller (ESP32)
Lego train BLE controller (ESP32)
License
GPL 3.0
License: GPL 3.0Mode:
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Update time：
2024-07-12 11:01:28
Creation time：
2024-01-08 19:49:27
Description
Description
Lego (and non-lego) train controller.
- ESP32 module with BLE and WiFi
- 2 channels with PWM for motor control
- 2 channels for LED (and other devices) control with open-drain ouput
- Horn on-board
- Fits 4x8 studs block
This board is adjusted to be ordered directly via EasyEDA service. Connectors are provided on board for example, i recommend to solder wires directly, to easy fit info train.
Board is controlled via free version of RemoteXY app and holds config onboard.
Firmware source: https://github.com/petrows/train-controller-esp32 (provided config for PlatformIO IDE).
To flash controller, short pin 25 (located just near "G" pin of UART) and "G" UART pin while powering on.
Design Drawing
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | Manufacturer Part | Manufacturer | Supplier | JLCPCB Part Class | spiceSymbolName | sourceId | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 100nF | C1,C5,C6 | C0805 | 3 | CL21F104MBCNNNC | SAMSUNG(三星) | LCSC | C913947 | Extended Part | CL21F104MBCNNNC | |
| 2 | 22uF | C2,C4 | C0603 | 2 | CL10A226MQ8NRNL | SAMSUNG(三星) | LCSC | C327470 | Extended Part | CL10A226MQ8NRNL | |
| 3 | 1uF | C3 | C0603 | 1 | 0603B105K250NT | FH(风华) | LCSC | C59302 | Extended Part | 0603B105K250NT | |
| 4 | TS-1101-C-W | EN | SW-SMD_L6.0-W3.3-LS8.0 | 1 | TS-1101-C-W | XKB Connectivity(中国星坤) | LCSC | C318938 | Extended Part | TS-1101-C-W | |
| 5 | 2n3904S | Q1,Q2 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-TR | 2 | 2N3904S-RTK/PS | KEC | LCSC | C18536 | Extended Part | 2n3904S-RTK/PS_C18536 | |
| 6 | 11kΩ | R1 | R0603 | 1 | HPCR0603F11K0K9 | RESI(开步睿思） | LCSC | C363254 | Extended Part | HPCR0603F11K0K9 | |
| 7 | 16.2kΩ | R2 | R0603 | 1 | CR0603-FX-1622ELF | BOURNS | LCSC | C203334 | Extended Part | CR0603-FX-1622ELF | |
| 8 | 9.31kΩ | R3 | R0603 | 1 | CR0603-FX-9311ELF | BOURNS | LCSC | C203890 | Extended Part | CR0603-FX-9311ELF | |
| 9 | 1.15kΩ | R5,R6 | R0603 | 2 | CR0603D1K15P05Z | EVER OHMS(天二科技) | LCSC | C332111 | Extended Part | CR0603D1K15P05 | |
| 10 | ESP32-WROOM-32E(8MB) | U1 | WIFI-SMD_ESP32-WROOM-32E | 1 | ESP32-WROOM-32E-N8 | ESPRESSIF(乐鑫) | LCSC | C701342 | Extended Part | ESP32-WROOM-32E(8MB) | |
| 11 | AMS1117-3.3 | U2 | SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR | 1 | AMS1117-3.3 | AMS | LCSC | C6186 | Basic Part | AMS1117-3.3 | 1476261164 |
| 12 | L9110S_C2984833 | U3,U4 | SOP-8_L5.0-W4.0-P1.27-LS6.2-BL | 2 | L9110S | LANKE(兰科) | LCSC | C2984833 | Extended Part | L9110S_C2984833 |
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