

Rcl
Color Lamp
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 82
- Nets
- 72
- Pads
- 260
- Tracks, vias
- 219, 119
- Pours
- 9
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 24 Apr 2026
- Updated
- 6 Oct 2026
Overview
Rcl is an open-source printed circuit board by 0x007E, from the 0x007E/rcl repository on GitHub. It is a 2-layer board with 82 parts on 72 nets, routed with 219 tracks and 119 vias.
It is built around the ATTINY1604-SSF, FT230XS-R and AT24CM02-SSHM-T, with the MCP73833, AO3416A and BAT43 among its other parts. Its parts include 21 resistors, 20 capacitors, 15 diodes, 5 ICs and 3 connectors. It belongs with the lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
8ATTINY1604-SSF
SOIC-14-40℃~+125℃ 10bit 12 16KB 16MHz 1KB 2.7V~5.5V 256Byte 8 Bit AVR Built-in FLASH SOIC-14 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)FT230XS-R
SSOP-16-150mil-40℃~+85℃ 125uA 3.3V~5V 8mA USB 2.0 USB to UART SSOP-16-150mil USB Converters ROHSFTDIUSB ConvertersAT24CM02-SSHM-T
SOIC-8-40℃~+85℃ 1,000,000 cycles 1.7V~5.5V 100 Years 10ms 1MHz 2Mbit Hardware write protection function、Noise suppression function、Built-in power-on reset (POR)、Built-in error correction code (ECC) function I2C SOIC-8 EEPROM ROHSMicrochip TechnologyEEPROMMCP73833
UncategorisedMicrochip TechnologyAO3416A
SOT-23-40℃~+150℃ 1 N-channel 1.1V 1.295nF 1.4W 10nC@4.5V 160pF 20V 25mΩ@4.5V 6A 87pF SOT-23 MOSFETs ROHSUMWMOSFETsBAT43
DO-204AH-65℃~+125℃ 1 Independent 1V@0.2A 200mA 30V 4A 500nA@25V DO-204AH Schottky Diodes ROHSSTMicroelectronicsSchottky DiodesBSP613P
SOT-223-55℃~+150℃ 1 P-Channel 17.7nC@30V 2W 3V 4.3A 53pF 60V 637pF 70pF 95mΩ@10V SOT-223 MOSFETs ROHSTECH PUBLICMOSFETsBZV55B5V6
SOD-80-65℃~+200℃ 1 Independent 100nA@1V 25Ω 450Ω 5.49V~5.71V 5.6V 500mW SOD-80 Zener Diodes ROHSLGEZener Diodes
README
README.mdRCL - RGB Color Lamp
The RCL is a board with a set of APA102 or any other SPI controllable RGB-LED. The board itself is driven with 5V over USB and can be configured with the integrated UART interface (MCP2221A). The Color Lamp itself is controlled over the additional Touchpad (TPD) and can be switched on/off over a slide switch.
| Experience | Level |
|---|---|
| Soldering | |
| Mechanical |
Downloads
| Type | File | Description |
|---|---|---|
| Schematic | pdf / cadlab | Schematic files |
| Board | pdf / cadlab | Board file |
| Drill | Drill file | |
| BoM | xlsx / html | Bill of Material as Excel/interactive HTML |
| PCB | zip / tar | KiCAD/Gerber/BoM/Drill files |
| Mechanical | zip / tar | FreeCAD/Housing and PCB (STEP/STL) files |
Hardware
The pcb is created with KiCAD, the housing with FreeCAD. All files are built with github actions so that they are ready for a production environment.
PCB
The circuit board is populated on both sides (Top, Bottom). The best way for soldering the SMD components is within a vapor phase soldering system and for the THT components with a standard soldering system.
Top Layer

Bottom Layer

Mechanical
The housing has a tolerance of 0.2mm on each side of the case. So the pcb should fit perfectly in the housing. The tolerance can be modified with FreeCAD in the Parameter Spreadsheet.
Assembled

Exploded

Additional Information
| Type | Link | Description |
|---|---|---|
| APA102 | RGB Full Color LED | |
| T3A33BRG | Harvatek Surface Mount PLCC IC+RGB LEDs Data Sheet | |
| MCP2221A | USB 2.0 to I2C/UART Protocol Converter with GPIO |
R. GAECHTER
Parts
82| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 100n | Capacitor_SMD:C_1206_3216Metric | C2, C4, C7, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20 |
| 8 | APA102 | LED_SMD:LED_RGB_5050-6 | D10, D11, D12, D13, D14, D15, D16, D17 |
| 4 | 10u | Capacitor_Tantalum_SMD:CP_EIA-6032-28_Kemet-C | C1, C5, C6, C8 |
| 4 | 1k | Resistor_SMD:R_1206_3216Metric | R4, R5, R6, R15 |
| 4 | 470 | Resistor_SMD:R_1206_3216Metric | R9, R16, R25, R26 |
| 4 | TestPoint_Probe | TestPoint:TestPoint_Pad_D1.0mm | TP1, TP2, TP3, TP4 |
| 3 | Red | LED_SMD:LED_1206_3216Metric | D3, D7, D9 |
| 2 | 0 | Resistor_SMD:R_0603_1608Metric | R21, R24 |
| 2 | 10k | Resistor_SMD:R_1206_3216Metric | R7, R18 |
| 2 | 22k | Resistor_SMD:R_1206_3216Metric | R20, R22 |
| 2 | 3k3 | Resistor_SMD:R_1206_3216Metric | R13, R14 |
| 2 | 5k1 | Resistor_SMD:R_1206_3216Metric | R1, R2 |
| 1 | 1.5A | Fuse:Fuse_1206_3216Metric | F2 |
| 1 | 100k | Resistor_SMD:R_1206_3216Metric | R8 |
| 1 | 10u | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B | C3 |
| 1 | 2.0A | Fuse:Fuse_1206_3216Metric | F1 |
| 1 | 2u2 | Inductor_SMD:L_Vishay_IFSC-1515AH_4x4x1.8mm | L1 |
| 1 | 330 | Resistor_SMD:R_1206_3216Metric | R27 |
| 1 | 70Ω/100Mhz/3A | Inductor_SMD:L_1206_3216Metric | FB1 |
| 1 | 732k | Resistor_SMD:R_1206_3216Metric | R3 |
| 1 | AO3416A | Package_TO_SOT_SMD:SOT-23 | Q4 |
| 1 | AT24CM02-SSHM | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | ATtiny1604-SS | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U4 |
| 1 | BAT43 | Diode_SMD:D_MiniMELF | D6 |
| 1 | BIN | Symbol:WEEE-Logo_4.2x6mm_SilkScreen | FID2 |
| 1 | BSP613 | Package_TO_SOT_SMD:SOT-223 | Q1 |
| 1 | BZV55B5V6 | Diode_SMD:D_MiniMELF | D2 |
| 1 | Conn_01x02_Pin | Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal | J2 |
| 1 | Conn_01x05_Pin | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | J3 |
| 1 | DO-214AC | Diode_SMD:D_SMA | D1 |
| 1 | ESD | Symbol:ESD-Logo_6.6x6mm_SilkScreen | FID4 |
| 1 | FT230XS | Package_SO:SSOP-16_3.9x4.9mm_P0.635mm | U5 |
| 1 | Green | LED_SMD:LED_1206_3216Metric | D8 |
| 1 | MCP73833 | Package_SO:MSOP-10_3x3mm_P0.5mm | U1 |
| 1 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | H1 |
| 1 | OH | Symbol:OSHW-Logo2_7.3x6mm_SilkScreen | FID3 |
| 1 | QR | Images:QR_0x007e_very_small | FID1 |
| 1 | SW_DIP_x02 | Button_Switch_SMD:SW_DIP_SPSTx02_Slide_6.7x6.64mm_W8.61mm_P2.54mm_LowProfile | SW2 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_PTS645 | SW3 |
| 1 | SW_SPDT | Button_Switch_SMD:SW_SPDT_CK_JS102011SAQN | SW1 |
| 1 | TPS61023DRLR | Package_TO_SOT_SMD:SOT-563 | U2 |
| 1 | USB_C_Receptacle | Connector_USB:USB_C_Receptacle_GCT_USB4110 | J1 |
Questions
What parts does the Rcl use?
82 parts, built around the ATTINY1604-SSF, FT230XS-R, AT24CM02-SSHM-T and MCP73833. 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.
Where can I download the Rcl KiCad files?
From the 0x007E/rcl repository on GitHub, at the commit this page was made from: the board is pcb/RCL.kicad_pcb and its schematic pcb/RCL.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Rcl design in my own project?
Its repository states no licence, so its author keeps all rights: ask 0x007E before reusing the design.
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