BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Main Processor PCB

Assembly

ARM-based microcontroller managing timer schedules, sensor reading, and command dispatch to relays and actuators. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Processor PCB parts and their functions

8 top-level parts · 11 parts in total · full bill of materials below
Main Processor PCB parts diagram: 1 microcontroller, 2 CPU oscillator crystal, 3 real-time clock module, 4 non-volatile memory, 5 ethernet transceiver, 6 SMD passive (R/C/L), 7 bare PCB, 8 connector. 11 parts in 8 top-level items.
Main Processor PCB parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Microcontroller 1× ARM Cortex-M4 or M7 microcontroller with real-time clock
2 CPU Oscillator Crystal 1× 8–16 MHz crystal oscillator for timing
3 Real-Time Clock Module 1× Real-time clock with battery backup for schedule persistence
4 Non-Volatile Memory 1× Non-volatile memory (SPI or I2C) storing program schedules and setpoints
5 Ethernet Transceiver 1× Ethernet transceiver for local network connection (optional)
6 SMD Passive (R/C/L) 1× Capacitors, resistors, and filtering for CPU and clock circuits
7 Bare PCB 1× 4-layer PCB with power planes and signal routing
8 Connector 4× DIN rail or screw-terminal connector blocks for I/O wiring

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Main Processor PCB

8 top-level lines · 8 rows shown · 11 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Microcontroller mcu 1× 1 · part
2 CPU Oscillator Crystal pool-automation-cpu-crystal 1× 1 · part
3 Real-Time Clock Module pool-automation-rtc-module 1× 1 · part
4 Non-Volatile Memory pool-automation-eeprom 1× 1 · part
5 Ethernet Transceiver pool-automation-ethernet-phy 1× 1 · part
6 SMD Passive (R/C/L) smd-passives 1× 1 · part
7 Bare PCB pcb-bare 1× 1 · part
8 Connector connector 4× 4 · part

Something wrong in this list? Report a problem with this BOM.

Where the main processor PCB is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Pool Automation Controller

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳JLCPCB
jlcpcb.com ↗ 		Shenzhen, CN PCB fabrication 100 pcs 2–4 wks
🇨🇳PCBWay
pcbway.com ↗ 		Shenzhen, CN PCB fab & assembly 100 pcs 2–4 wks
🇨🇳Shennan Circuits
scc.com.cn ↗ 		Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
🇮🇳Shogini Technoarts
shogini.com ↗ 		Mumbai, IN PCB manufacturer 100 pcs 2–4 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 100 pcs 2–4 wks