X-Green/ESP32C3_RF_Test1自制esp32c3板子，测试一下不同天线方案
ESP32C3 RF Test is an open-source printed circuit board by X-Green, from the X-Green/ESP32C3_RF_Test repository on GitHub. It is a 2-layer board of 48.3 × 33 mm with 55 parts on 54 nets, routed with 319 tracks and 119 vias.
It is built around the ESP32-C3 and RT9013-33GB. Its parts include 20 capacitors, 14 resistors, 4 connectors, 3 inductors and 2 ICs. It belongs with the radio and wireless boards and the ESP32 and RISC-V boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 100nF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C4, C6, C7, C13, C14, C18, C19 |
| 5 | 4.7k | Resistor_SMD:R_0603_1608Metric | R9, R10, R11, R13, R14 |
| 4 | 10uF | Capacitor_SMD:C_1206_3216Metric | C1, C5, C12, C15 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 3 | 2.2nH | Inductor_SMD:L_0603_1608Metric | L1, L2, L3 |
| 3 | 22R | Resistor_SMD:R_0603_1608Metric | R6, R7, R8 |
| 2 | 0R | Resistor_SMD:R_0603_1608Metric | R1, R5 |
| 2 | 10nF | Capacitor_SMD:C_0603_1608Metric | C16, C20 |
| 2 | 3.3pF | Capacitor_SMD:C_0603_1608Metric | C8, C9 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric | R2, R3 |
| 2 | C | Capacitor_SMD:C_0603_1608Metric | C10, C11 |
| 1 | 1M | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric | C17 |
| 1 | 499R | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | Antenna_Chip | RF_Antenna:Johanson_2450AT43F0100 | AE2 |
| 1 | Conn_Ext_3v3 | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J4 |
| 1 | Conn_I2C | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | Conn_UART | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | Crystal_40MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | ESP32-C3 | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm_ThermalVias | U1 |
| 1 | Fuse | Fuse:Fuse_1210_3225Metric | F1 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | PCB_Antenna_2.4GHz | RF_Antenna:Texas_SWRA117D_2.4GHz_Right | AE1 |
| 1 | RT9013-33GB | Package_TO_SOT_SMD:TSOT-23-5 | U2 |
| 1 | SW_BOOT | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KSC7xxJ | SW2 |
| 1 | SW_RST | Button_Switch_SMD:SW_Push_1P1T_NO_CK_KSC7xxJ | SW1 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
| 1 | USB_C_Receptacle | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J3 |
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An epaper switch project with 2 PCBs, controller+touch, and 220AC to 3DC with Relay (Latch or solid-state)
It measures 48.3 × 33 mm and has 2 copper layers, 1.6 mm thick.
55 parts, built around the ESP32-C3 and RT9013-33GB. 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 X-Green/ESP32C3_RF_Test repository on GitHub, at the commit this page was made from: the board is ESP32C3_RF_Test.kicad_pcb and its schematic ESP32C3_RF_Test.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask X-Green before reusing the design.