Alarma com
About the Alarma com PCB
Alarma com is an open source ESP8266 PCB design by IoTCloudStudio, published on GitHub. It is a 2-layer board measuring 169.3 × 112 mm, with 44 components from 32 distinct parts.
Its main chip is the LM2596S-5, from the ESP8266 family. Other key parts include the AMS1117-3.3 and ESP-12F. By type, the board carries 12 connectors, 10 resistors, 7 diodes, 6 capacitors, 3 ICs and 1 transistor.
Main components on the Alarma com
Alarma com bill of materials (BOM)
44 components, 32 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM2596S-5 | TO-263-5_TabPin3 | U2 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U3 |
| 1 | ESP-12F | ESP-12E | U4 |
| 1 | MMBT5551L | SOT-23 | Q1 |
| 2 | IN 12V | TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J1, J7 |
| 1 | SIM800L | PinHeader_1x05_P2.54mm_Vertical | J2 |
| 2 | ~ | PinHeader_1x01_P2.54mm_Vertical | J3, J6 |
| 1 | OUT 1 | TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J4 |
| 1 | jumpers salida | PinHeader_1x05_P2.54mm_Vertical | J5 |
| 1 | SENS | TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J8 |
| 1 | PROG | PinHeader_1x04_P2.54mm_Vertical | J9 |
| 1 | FLASH | PinHeader_1x03_P2.54mm_Vertical | J10 |
| 1 | soporte | PinHeader_1x05_P2.54mm_Vertical | J11 |
| 1 | RFW26 | PinSocket_1x04_P2.54mm_Vertical | J12 |
| 1 | SANYOU_SRD_Form_C | Relay_SPDT_SANYOU_SRD_Series_Form_C | K1 |
| 2 | 470KD07 | RV_Disc_D7mm_W4.9mm_P5mm | RV1, RV2 |
| 1 | RESET | SW_PUSH_1P1T_6x3.5mm_H4.3_APEM_MJTP1243 | SW2 |
| 1 | 1N4148 | D_SOD-323_HandSoldering | D1 |
| 1 | LED | LED_D3.0mm | D2 |
| 2 | SS34 | D_SMC_Handsoldering | D3, D4 |
Show 12 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1N5819WS | D_SOD-323 | D5 |
| 1 | SM6T6V8A | D_SMB | D6 |
| 1 | 1N4007 | D_DO-41_SOD81_P10.16mm_Horizontal | D7 |
| 1 | 33 uH | L_12x12mm_H8mm | L1 |
| 3 | 0.1u | C_1206_3216Metric | C1, C2, C6 |
| 2 | 220uF/35V | CP_Elec_8x10 | C3, C4 |
| 1 | 10uF/16V | CP_Elec_4x4.5 | C5 |
| 3 | 10K | R_0805_2012Metric | R1, R14, R15 |
| 1 | 330 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5 |
| 4 | 10K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8, R10, R12, R13 |
| 1 | 100K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9 |
| 1 | 100 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11 |
Alarma com design files
The KiCad project lives in the IoTCloudStudio/HW_Develop repository on GitHub; these links point at the commit this page was built from.
Alarma com: common questions
What microcontroller does the Alarma com use?
The Alarma com is built around the LM2596S-5, from the ESP8266 family.
How big is the Alarma com PCB?
The Alarma com measures 169.3 × 112 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Alarma com?
44 components, from 32 distinct parts. The full bill of materials is listed on this page.
Where can I download the Alarma com design files?
From the IoTCloudStudio/HW_Develop repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Alarma com design in my own project?
The repository has no license, so all rights stay with IoTCloudStudio. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Alarma com without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.
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