Make a donation to freynderAn ESP32 board designed to function as a Mysensors Gateway with the following features:
- Designed to fit in a cheap enclosure available from AliExpress such as this
- Footprints for RFM69 and nRF24L01 breakout boards
- uFL antenna connector for RFM69.
- Optional onboard LEDs for POWER, ERROR, TX, RX, Inclusion. Header for external LEDs if desired.
- Breakout header for I2C boards such as Si7021, HTU21D, SHTT71 and BME280 sensors.
- Breakout header for RXB6 433Mhz RF receiver
- Inclusion button and general purpose custom button. Header for external buttons if desired.
- Powered and programmed over USB. Auto-reset and flash mechanism.
- Dual regulator: RF modules have a dedicated power regulator to improve reliability.
- All parts can be sourced from AliExpress. See the BOM for links.
Not yet tested.
| Designator | Package | Quantity | Designation | Supplier and ref |
|---|---|---|---|---|
| C1 | C_1206_3216Metric | 1 | 4.7uF | any |
| C10,C6 | C_0603_1608Metric | 2 | 10uF | any |
| C12 | C_1206_3216Metric | 1 | 10uF | any |
| C13 | CP_Elec_4x5.4 | 1 | 0.47uF | any |
| C2,C14,C9,C11,C5 | C_0603_1608Metric | 5 | 0.1uF | any |
| C4,C3 | C_1206_3216Metric | 2 | 22uF | any |
| C7 | C_0603_1608Metric | 1 | 10nF | any |
| C8 | C_0603_1608Metric | 1 | 1nF | any |
| D1 | LED_0603_1608Metric | 1 | LED BLUE | https://www.aliexpress.com/item/5-x-100pcs-Color-500pcs-New-1206-0805-0603-Red-Green-Blue-White-Yellow-SMD-LED/837971310.html |
| D2 | LED_0603_1608Metric | 1 | LED GREEN | https://www.aliexpress.com/item/5-x-100pcs-Color-500pcs-New-1206-0805-0603-Red-Green-Blue-White-Yellow-SMD-LED/837971310.html |
| D3 | LED_0603_1608Metric | 1 | LED YELLOW | https://www.aliexpress.com/item/5-x-100pcs-Color-500pcs-New-1206-0805-0603-Red-Green-Blue-White-Yellow-SMD-LED/837971310.html |
| D4 | LED_0603_1608Metric | 1 | LED RED | https://www.aliexpress.com/item/5-x-100pcs-Color-500pcs-New-1206-0805-0603-Red-Green-Blue-White-Yellow-SMD-LED/837971310.html |
| D5 | LED_0603_1608Metric | 1 | LED WHITE | https://www.aliexpress.com/item/5-x-100pcs-Color-500pcs-New-1206-0805-0603-Red-Green-Blue-White-Yellow-SMD-LED/837971310.html |
| J1 | aliexpress_micro_USB_connector | 1 | USB_B_Micro | https://www.aliexpress.com/item/100pcs-Micro-Jack-Connector-Female-5pin-Charging-Socket-Micro-USB-5Pin-Inserting-Plate-Seat-Mini-usb/32834165597.html |
| J2 | connector-XH2.54-01x05 | 1 | Button Connector | https://www.aliexpress.com/item/50PCS-Lot-XH2-54-Pin-Header-Connector-2P-3P-4P-5P-6P-7P-8P-9P-10P/32820868041.html |
| J3 | connector-XH2.54-01x06 | 1 | Ext LED header | https://www.aliexpress.com/item/50PCS-Lot-XH2-54-Pin-Header-Connector-2P-3P-4P-5P-6P-7P-8P-9P-10P/32820868041.html |
| J4 | U.FL_Molex_MCRF_73412-0110_Vertical | 1 | u.FL | https://www.aliexpress.com/item/Free-Shipping-50PCS-U-FL-R-SMT-U-FL-socket-IPEX-IPX-connectors-RF-Coaxial-Connector/32872904554.html |
| J5 | 1X17_NO_SILK | 1 | Header Left | standard pin header |
| J6 | 1X17_NO_SILK | 1 | Header Right | standard pin header |
| J7 | 1X04_NO_SILK | 1 | I2C Breakout | standard pin header |
| J8 | 1X04_NO_SILK | 1 | RXB6 Breakout | standard pin header |
| Q1,Q2 | SOT-23 | 2 | Q_NPN_BEC | https://www.aliexpress.com/item/20PCS-Lot-New-Original-J3Y-S8050-SMD-SOT-23-Triode-Wholesale-Electronic/32495368656.html |
| R10,R9 | R_0603_1608Metric | 2 | 4.7K | any |
| R3,R4 | R_0603_1608Metric | 2 | 120 | any |
| R5,R1,R2 | R_0603_1608Metric | 3 | 22 | any |
| R6 | R_0603_1608Metric | 1 | 10K | any |
| R7,R8 | R_0603_1608Metric | 2 | 12K | any |
| SW1 | SW_SPST_CK_RS282G05A3 | 1 | SW_RESET | https://www.aliexpress.com/item/100PCS-3X6X2-5mm-Tactile-Push-Button-Switch-Tact-Switch-Micro-Switch-2-Pin-SMD/32672806661.html |
| SW2 | SW_SPST_CK_RS282G05A3 | 1 | SW_INCLUSION | https://www.aliexpress.com/item/100PCS-3X6X2-5mm-Tactile-Push-Button-Switch-Tact-Switch-Micro-Switch-2-Pin-SMD/32672806661.html |
| SW3 | SW_SPST_CK_RS282G05A3 | 1 | SW_GEN1 | https://www.aliexpress.com/item/100PCS-3X6X2-5mm-Tactile-Push-Button-Switch-Tact-Switch-Micro-Switch-2-Pin-SMD/32672806661.html |
| SW4 | SW_SPST_CK_RS282G05A3 | 1 | SW_BOOT | https://www.aliexpress.com/item/100PCS-3X6X2-5mm-Tactile-Push-Button-Switch-Tact-Switch-Micro-Switch-2-Pin-SMD/32672806661.html |
| U1 | RFM69HCW-XXXS2-MINPADS | 1 | RFM69HCW | any |
| U2 | MODULE_ESP-WROOM-32 | 1 | ESP-WROOM-32 | any |
| U4,U3 | AMS1117-3.3 | 2 | AMS1117-3.3 | https://www.aliexpress.com/item/100PCS-LOT-Original-AMS1117-3-3-AMS1117-3-3V-AMS1117-LM1117-1117-Voltage-Regulator-We-only/32816744520.html |
| U5 | RFM69CW-XXXS2-MINPADS | 1 | RFM69CW | any |
| U6 | nRF24L01_Breakout | 1 | NRF24L01_Breakout | https://www.aliexpress.com/item/E01-ML01D-small-size-SPI-nRF24L01P-2-4Ghz-1mW-PCB-antenna-IOT-uhf-wireless-transceiver-transmitter/32803704874.html |
| U7 | HOPERF_RFM69HW-MINPADS | 1 | RFM69(H)W | any |
| U8 | SO16 | 1 | CH340C | https://www.aliexpress.com/item/10pcs-340-C-With-C-100-New-CH340C-USB-To-Serial-Chip-Chip-SOP-16/32880586760.html |
| Name | Size | # Downloads |
|---|---|---|
| esp32-gateway.sch | 41.09 kB | 893 |
| esp32-gateway-bom.pdf | 27.67 kB | 593 |
| esp32-gateway.kicad_pcb | 504.96 kB | 693 |
| esp32-gateway-schema.pdf | 115.93 kB | 1058 |
| esp32-gateway-B.Cu.gbr | 143.36 kB | 579 |
| esp32-gateway-B.Mask.gbr | 64.41 kB | 671 |
| esp32-gateway-B.Paste.gbr | 565 B | 655 |
| esp32-gateway-B.SilkS.gbr | 77.89 kB | 677 |
| esp32-gateway-Edge.Cuts.gbr | 1.23 kB | 660 |
| esp32-gateway-F.Cu.gbr | 473.51 kB | 655 |
| esp32-gateway-F.Mask.gbr | 135.08 kB | 609 |
| esp32-gateway-F.Paste.gbr | 106.34 kB | 708 |
| esp32-gateway-F.SilkS.gbr | 127.16 kB | 697 |
| esp32-gateway.drl | 5.05 kB | 682 |