IM350 AM550
greenMikeEU·shrdzm·KiCAD/IM350_AM550/IM350_AM550.kicad_pcb
About the IM350 AM550 PCB
IM350 AM550 is an open source ESP8266 PCB design by greenMikeEU, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 78 × 21 mm, with 19 components from 17 distinct parts.
Its main chip is the ESP-12F, from the ESP8266 family. Other key parts include the MCP1700-3302E_SOT23. By type, the board carries 6 connectors, 6 resistors, 2 ICs, 1 battery holder, 1 switch and 1 capacitor.
It belongs with the sensors designs in this gallery.
From the project
SHRDZM (just a name, not an acronym) is an ESP8285/ESP8266 based sensor and actor integration platform.
To build cheap integrations of many kind of sensors and/or actors into your own automation solution with the focus on energy efficiancy (battery operated devices) and simpleness.

Main components on the IM350 AM550
IM350 AM550 bill of materials (BOM)
19 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP1700-3302E_SOT23 | SOT-23_Handsoldering | U1 |
| 1 | ESP-12F | ESP-12E | U2 |
| 1 | 3.3V | Pin_D1.3mm_L11.0mm_LooseFit | J1 |
| 1 | TX | Pin_D1.3mm_L11.0mm_LooseFit | J2 |
| 1 | RX | Pin_D1.3mm_L11.0mm_LooseFit | J3 |
| 1 | GPIO0 | Pin_D1.3mm_L11.0mm_LooseFit | J4 |
| 1 | GND | Pin_D1.3mm_L11.0mm_LooseFit | J6 |
| 1 | RJ12 | RJ12_Amphenol_54601 | J7 |
| 1 | Battery_Cell | BatteryHolder_MPD_BH-18650-PC2_NoHole | BT1 |
| 1 | LOGO | SHRDZM 12x4 | G1 |
| 1 | LOGO | SHRDZM Symbol 5x5 | G2 |
| 1 | Pairing | SW_SPST_CK_RS282G05A3 | SW1 |
| 1 | 100nF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2 |
| 1 | 330k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 2 | 0R | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R3, R6 |
| 2 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5 |
IM350 AM550 design files
The KiCad project lives in the greenMikeEU/shrdzm repository on GitHub; these links point at the commit this page was built from.
IM350 AM550: common questions
What microcontroller does the IM350 AM550 use?
The IM350 AM550 is built around the ESP-12F, from the ESP8266 family.
How big is the IM350 AM550 PCB?
The IM350 AM550 measures 78 × 21 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the IM350 AM550?
19 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the IM350 AM550 design files?
From the greenMikeEU/shrdzm repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the IM350 AM550 design in my own project?
Yes, under the terms of its GPL-3.0 license, which greenMikeEU chose for the repository.
Can I test firmware for the IM350 AM550 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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