IoT Power Supply
About the IoT Power Supply PCB
IoT Power Supply is an open source PCB design by atoomnetmarc, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 91.4 × 91.4 mm, with 29 components from 21 distinct parts.
Other key parts include the LM2596S-ADJ. By type, the board carries 9 resistors, 5 diodes, 4 capacitors, 3 connectors, 2 fuses and 1 IC.
It belongs with the iot & wireless, power & battery and sensors designs in this gallery.
From the project
Schematic, PCB files, firmware and 3d models for creating the IoT12 solder iron temperature controller for T12 compatible tips.
This Power Supply PCB powers the IoT12 Control Board. It features a relay that can be activated by the Control Board to provide 24V power to the soldering iron. However, the relay can only be activated when the user switch on J2 is closed. This enables the user to power down the heating of the soldering iron independent of what the Control Board is able to, which is a nice feature of an internet connected soldering station.
Main components on the IoT Power Supply
IoT Power Supply bill of materials (BOM)
29 components, 21 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM2596S-ADJ | TO-263-5_TabPin3 | U1 |
| 1 | MMBT2222 | SOT-23 | Q1 |
| 1 | Screw_Terminal_01x03 | TerminalBlock_Weidmueller-PM-5.08-03-90-3.5SN-BK-BX | J1 |
| 1 | JST B2B-XH-A | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J2 |
| 1 | JST B4B-XH-A | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J3 |
| 1 | PTC 1.5A/30V | RV_Disc_D9mm_W3.3mm_P5mm | F1 |
| 1 | PTC 0.5A/30V | RV_Disc_D7mm_W3.4mm_P5mm | F2 |
| 1 | Omron G5LE-1 24VDC | Relay_SPDT_Omron-G5LE-1 | K1 |
| 1 | MPM-90-24 | Converter_ACDC_MeanWell_MPM-90-xx_THT | PS1 |
| 1 | 10D-15 | RV_Disc_D15.5mm_W4.5mm_P7.5mm | TH1 |
| 1 | SS14 | D_SMA | D1 |
| 2 | SS34 | D_SMA | D2, D3 |
| 2 | Blue | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D4, D5 |
| 1 | 68uH | L_12x12mm_H8mm | L1 |
| 2 | 100uF/35V | CP_Elec_6.3x7.7 | C1, C4 |
| 2 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3 |
| 4 | 330k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R3, R4, R5 |
| 2 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R6 |
| 1 | 3k3 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7 |
| 1 | 2k2 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 22k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9 |
IoT Power Supply design files
The KiCad project lives in the atoomnetmarc/IoT12 repository on GitHub; these links point at the commit this page was built from.
IoT Power Supply: common questions
How big is the IoT Power Supply PCB?
The IoT Power Supply measures 91.4 × 91.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the IoT Power Supply?
29 components, from 21 distinct parts. The full bill of materials is listed on this page.
Where can I download the IoT Power Supply design files?
From the atoomnetmarc/IoT12 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the IoT Power Supply design in my own project?
Yes, under the terms of its Apache-2.0 license, which atoomnetmarc chose for the repository.
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