frodegill/dehumidifierSmall PCB and source code for measuring indoor and outdoor temp/humid and solar panel battery voltage for a simple off-grid dehumidifier.
Dehumidifier is an open-source printed circuit board by frodegill, from the frodegill/dehumidifier repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 53.3 × 35 mm with 16 parts on 24 nets, routed with 117 tracks and 6 vias.
It is built around the DHT11 and BC337. Its parts include 7 connectors, 2 transistors, 1 IC and 1 switch. It belongs with the power boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | Conn_01x02_Male | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J1, J2, J15 |
| 2 | 10K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | 10K, R2 |
| 1 | 1M | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | 1M |
| 1 | 200K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | 200K |
| 1 | 2N3906 | Package_TO_SOT_THT:TO-92_HandSolder | Q1 |
| 1 | BC337 | Package_TO_SOT_THT:TO-92_HandSolder | Q2 |
| 1 | Conn_01x02_Male | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | Conn_01x03_Male | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J3 |
| 1 | Conn_01x06_Male | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J16 |
| 1 | Conn_01x07_Male | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J14 |
| 1 | DHT11 | Sensor:Aosong_DHT11_5.5x12.0_P2.54mm | U1 |
| 1 | R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | 1K |
| 1 | SANYOU_SRD_Form_C | Relay_THT:Relay_SPDT_SANYOU_SRD_Series_Form_C | K1 |
It measures 53.3 × 35 mm and has 2 copper layers, 1.6 mm thick.
16 parts, built around the DHT11 and BC337. 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 frodegill/dehumidifier repository on GitHub, at the commit this page was made from: the board is PCB/dehumidifier.kicad_pcb and its schematic PCB/dehumidifier.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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