VersBinarii/radiant(WIP) Touch screen controlled dimmer
Lampa is an open-source printed circuit board by VersBinarii, from the VersBinarii/radiant repository on GitHub. It is a 4-layer board of 89 × 41.5 mm with 55 parts on 60 nets, routed with 384 tracks and 59 vias.
It is built around the HLK-PM12, AMS1117-3.3 and LTV-814, with the IRF740 and S8050 among its other parts. Its parts include 15 capacitors, 11 resistors, 5 connectors, 4 ICs and 3 transistors. It belongs with the STM32 boards of this library.
Touch screen controlled light dimmer
The dimming of light bulb it triggered by a touch screen. It's a Leading-Edge dimmer so it should work even with modern led light bulbs that are not dimmable in practice
Check the schematics folder for the Ki-Cad schematics and board design
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100nF | Capacitor_SMD:C_0402_1005Metric | C2, C3, C4, C5 |
| 4 | 20pF | Capacitor_SMD:C_0402_1005Metric | C9, C10, C13, C14 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_4.3mm_M4_Pad_Via | H1, H2, H3, H4 |
| 2 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C11, C12 |
| 2 | 4.7K | Resistor_SMD:R_0402_1005Metric | R9, R10 |
| 2 | 47K | Resistor_SMD:R_0603_1608Metric | R2, R3 |
| 2 | 680 | Resistor_SMD:R_0603_1608Metric | R7, R8 |
| 2 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4, J5 |
| 2 | IRF740 | Package_TO_SOT_THT:TO-220-3_Vertical | Q1, Q2 |
| 2 | Screw_Terminal_01x02 | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J1, J2 |
| 1 | 100nF | Capacitor_SMD:C_0603_1608Metric | C15 |
| 1 | 10K | Resistor_SMD:R_0402_1005Metric | R11 |
| 1 | 10K | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 10nF | Capacitor_SMD:C_0402_1005Metric | C7 |
| 1 | 10uF | Capacitor_SMD:C_1206_3216Metric | C8 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 1uF | Capacitor_SMD:C_0402_1005Metric | C6 |
| 1 | 22K | Resistor_SMD:R_0402_1005Metric | R5 |
| 1 | 2K | Resistor_SMD:R_0402_1005Metric | R6 |
| 1 | 39nH | Inductor_SMD:L_0402_1005Metric | L1 |
| 1 | 4.7uF | Capacitor_SMD:C_0402_1005Metric | C1 |
| 1 | 47 | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 4N35 | Package_DIP:SMDIP-6_W9.53mm_Clearance8mm | U3 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | Conn_01x14 | Connector_PinHeader_2.54mm:PinHeader_1x14_P2.54mm_Vertical | J3 |
| 1 | Crystal | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y2 |
| 1 | Fuse | Fuse:Fuseholder_Cylinder-5x20mm_Stelvio-Kontek_PTF78_Horizontal_Open | F1 |
| 1 | HLK-PM12 | Converter_ACDC:Converter_ACDC_HiLink_HLK-PMxx | PS1 |
| 1 | LED BLUE | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | LED GREEN | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | LTV-814 | Package_DIP:DIP-4_W7.62mm | U2 |
| 1 | S8050 | Package_TO_SOT_SMD:SOT-23 | Q3 |
| 1 | STM32F411CEUx | Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm | U4 |
| 1 | SW_SPDT | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | SW2 |
| 1 | SW_SPST | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | SW1 |
The 51 most common of 55 parts.
It measures 89 × 41.5 mm and has 4 copper layers, 1.6 mm thick.
55 parts, built around the HLK-PM12, AMS1117-3.3, LTV-814 and IRF740. 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 VersBinarii/radiant repository on GitHub, at the commit this page was made from: the board is schematics/lampa/lampa.kicad_pcb and its schematic schematics/lampa/lampa.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 VersBinarii before reusing the design.
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